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I.L. 29-8858

9.0 REFERENCES

9.1 Digitrip RMS Trip Assemblies

I.L. 29-885

I.L. 29-886

I.L. 29-888

Instructions for Digitrip AMS 5 1 0 Trip Unit

Instructions for Digitrip AMS 61 0 Trip Unit

Instructions for Digitrip AMS 81 0 Trip Unit

9.2 Type OS Low-Voltage AC Power Circuit Breakers

I.B. 33-790-1

AD 32-870

SC-561 9-93

SC-5620-93

SC-5621 -93

508B508

Instructions for Low-Voltage Power Circuit
Breakers Types OS and DSL

Supplement B to Digitrip AMS Trip Units

Typical Time-Current Characteristic Curves
for Types OS and DSL Circuit Breakers

Instantaneous (I)

Long Delay and Short Delay (LS)

Ground (G)

Connection Diagram for Type OS Circuit

Breakers

9.3 Type SPB Systems Pow-R Breakers

I.L. 29-801

I.L. 29-849

AD 29-863

SC-5623-93

SC-5624-93

SC-5625-93

I.S. 1 5545

Instruction for the Systems Pow-A Breaker

and Drawout Mechanism

Supplementary Instructions for the Sys
tems Pow-A Breaker used with the Digitrip

AMS Trip Units

Typical Time-Current Characteristic Curves
for Type SPB Systems Pow-A Breaker

Instantaneous (I)

Long Delay and Short Delay (LS)

Ground (G)

SPB Master Connection Diagram

9.4 Series

c®

A-Frame Molded Case Circuit Breakers

29C1 06

29C1 07

29C7 1 3

A D 29-1 67A

SC-5626-93

SC-5627-93

SC-5628-93

Effective May 1 997

Frame Book

Frame Instruction Leaflet

Supplementary Instructions for Series

c®

A-Frame used with the Digitrip AMS Trip
Units

Typical Time-Current Characteristic Curves
for A-Frame Circuit Breakers

Instantaneous (I)

Long Delay and Short Delay (LS)

Ground (G)

Page 1 5

I.L. 29C7 1 4

Master Connection Diagram for Series

c®

A-Frame Circuit Breaker

APPENDIX A ZONE INTERLOCKING

Assume

a ground fault of 2000 Amperes occurs and

refer to Fig A.1 .

CASE 1

There is no Zone Selective Interlocking.

(standard time delay coordination is used)

Fault 3

The branch breaker will trip clearing the fau lt in

0.1 s.

Fault 2

The feeder breaker will trip clearing the fault in

0.3 s.

The breaker will trip clearing the fault in 0.5 s.

CASE 2: There is Zone Selective Interlocking

Fault 3

The branch breaker trip u nit will initiate the trip in

0.03 s to clear the fault and Z3 will send an inter

locking signal to the Z2 trip unit; and Z2 will send

an interlocking signal to Z1 .

Z1 and Z2 trip units will begin to time out, and in

the event that the branch breaker Z3 would not

clear the fault, the feeder breaker Z2 will clear the

fault in 0.3 s (as above). Similarly, in the event that

the feeder breaker Z2 would not clear the fault, the

main breaker Z1 will clear the fault in 0.5 s (as

above).

Fault 2

The feeder breaker trip unit will initiate the trip in

0.03 s to clear the fault; and Z2 will send an inter

locking signal to the

Z1 trip u n it. Z1 trip u nit will

begin to time out, and in the event that the feeder

breaker Z2 would not clear the fault, the main

breaker Z1 will clear the fault in 0.5 s (as above).

Fault 1

There are no interlocking signals. The main

breaker trip unit will initiate the trip in 0.03 s.

Figure A.2 presents a Zone Selective Interlocking con

nection diagram for a system with two main breakers

from incoming sources and a bus tie breaker. Note the

blocking diode D1 is needed so that the feeder breakers

can send interlocking signals to both the main and tie

breakers, without having the tie breaker send itself an

interlocking signal.

www

. ElectricalPartManuals

. com

Содержание Digitrip RMS 510

Страница 1: ...ENT WHILE IT IS ENERGIZED DEATH OR SEVERE PERSONAL INJURY CAN RESULT FROM CONTACT WITH ENERGIZED EQUIP MENT ALWAYS VERIFY THAT NO VOLTAGE IS PRESENT BEFORE PROCEEDING WITH THE TASK AND ALWAYS FOLLOW GENERALLY ACCEPTED SAFETY PROCEDURES CUTLER HAMMER IS NOT LIABLE FOR THE MISAPPLICATION OR MISINSTAL LATION OF ITS PRODUCTS It is strongly urged that the user observe all recommen dations warnings and ...

Страница 2: ... 2 6 I L 29 8858 Note RMS Digitrip Type Ll LS and LSI trip units can be applied on 3 pole or 4 pole circuit breakers for protection of the neutral circuit IFthe circuit breaker is wired and MARKED for NEUTRAL PROTECTION Refer to the National Electric Code for appropriate application of 4 pole breakers 1 2 Information Light Emitting Diodes LED s on the face of the trip unit light Red to indicate th...

Страница 3: ...rotection L Fig 2 2 Long Time Short Time Protection LS Effective May 1 997 Fig 2 3 Long Time Short Time Instantaneous Protection LSI Page 3 Fig 2 4 Long Time Instantaneous Ground Protection L G w w w E l e c t r i c a l P a r t M a n u a l s c o m ...

Страница 4: ...ime Instantaneous Ground Protection LS G The Digitrip RMS 51 0 Trip unit provides three basic func tions Protection Information and Testing A typical trip unit and rating plug are illustrated in Fig 1 Individual product instruction leaflets referenced in Section 9 0 illus trate typical Digitrip RMS Trip Units installed in specific breakers The trip unit employs the Cutler Hammer Inc custom designe...

Страница 5: ...e current sensor rating the green LED will flash On and Off once each second to indicate the trip unit is energized and operating properly Note If the LED is steadily GREEN i e not flash ing the trip unit is not ready Effective May 1 997 3 3 Test Provisions See Section 5 0 3 4 DIScriminator Making Current Release For Types LS and LSG trip units only When the Digitrip RMS 51 0 Trip Unit is not equi...

Страница 6: ...tream breaker s trip unit to the input terminals of the upstream breaker s trip unit For specific instructions see the applicable connection dia grams for your breaker listed in Section 9 0 I L 29 8858 Note If a breaker M receives a Zone Interlocking signal from another breaker F but the fault current level is less than the trip unit setting for breaker M the signal from the other breaker F will n...

Страница 7: ...me progressively earlier than the Long Delay Time Setting When the load current returns to normal the LTM begins to reset and after about 1 0 minutes it has reset fully so that next Long Delay trip time will again be the Set ting value In certain applications it may be desirable to dis able the LTM function The LTM function can be disabled by first opening the breaker and then removing the Rating ...

Страница 8: ...etting For currents greater than 8 times lr the 12t response reverts to the flat response Note See also Section 3 6 Zone Interlocking above 4 6 Instantaneous Current Setting There are eight 8 available Instantaneous Current Set tings as illustrated in Fig 4 5 Six settings are in the range from 2 to 6 times In the rating plug value and the I L 29 8858 other two settings are M1 or M2 times In The va...

Страница 9: ...50 600 a 630 1 5B 1 B9 221 252 315 37B 473 630 5 BOO 200 240 2BO 320 400 4BO 600 800 C l 1 000 250 300 350 400 500 600 750 1 000 J 1 1200 300 360 420 4BO 600 720 900 1 200 a C l 1 250 312 375 43B 500 625 750 93B 1200 z 1 600 400 4BO 560 640 BOO 960 1 200 1 200 a 2000 500 600 700 BOO 1 000 1 200 1 200 1 200 0 2400 600 720 B40 960 1 200 1 200 1 200 1 200 LU 1 1 2500 625 750 B75 1 000 1 200 1 200 1 2...

Страница 10: ...nit Required following all automatic trip and test operations Push then release Test button to test Test operation begins with release of pushbutton Integral T est Panel Lower Right Corner of T rip Unit A CAUTION TESTING A CIRCUIT BREAKER UNDER TRIP CON DITIONS WHILE IT IS IN SERVICE AND CARRYING LOAD CURRENT WHETHER DONE BY INTERNAL OR EXTERNAL MEANS IS NOT RECOMMENDED ANY TRIPPING OPERATION WILL...

Страница 11: ...n 10 of the breaker frame orcurrent sensor rating be sure the GREEN Unit Status LED in the lower right corner of the trip unit See Figs 1 and 5 is blinking on and off indicating that there is enough current flowing to pro vide the power necessary to operate the trip unit In the event the Unit Status LED is either lighted GREEN or OFF continuously there is NOT enough cur rent flowing to power the t...

Страница 12: ...wing make sure the circuit breaker is carrying no more than 50 of the Long Delay Current Setting 1 The I L 29 8858 trip unit will not execute your instructions to Test itself when the load current exceeds 50 of r 2 Place the Test Amps selector switch See Fig 5 in one of the two Trip test settings i e 6T or GFT 3 Depress the black Test pushbutton See Fig 5 and release it the test is initiated when ...

Страница 13: ...k Pushbuttor T ypical Rating Plug Values for Short Delay S1 and S2 Instantaneous M1 and M2 Settings Battery OK if LED Lights GREEN when Battery Check Button is Pushed Trip Unit Connector Fits into Keyed Cavity Page 1 3 obtained from the following companies under their type designation indicated Company Model Varta Batteries Inc 150 Clarbrook Road Elmsford N Y 1 0523 Duracell South Broadway Tarryto...

Страница 14: ...ircuit breaker can carry with the specified current sensors installed The Sensor Rat ing can be the same or less than the Frame Rating but not greater The Rating Plug See Fig 6 fits into a special cavity to complete the trip unit See Fig 1 Rating plugs have two current ratings listed on their covers See Fig 6 1 the Must be used with Frame Rated cur I L 29 8858 rent value or Sensor Rated if applica...

Страница 15: ...Breaker APPENDIX A ZONE INTERLOCKING Assume a ground fault of 2000 Amperes occurs and refer to Fig A 1 CASE 1 There is no Zone Selective Interlocking standard time delay coordination is used Fault 3 The branch breaker will trip clearing the fault in 0 1 s Fault 2 The feeder breaker will trip clearing the fault in 0 3 s Fault 1 The breaker will trip clearing the fault in 0 5 s CASE 2 There is Zone ...

Страница 16: ...e maximum distance between first and last zone is 250 feet 1 1 0 m A3 A Maximum of 20 breakers may be con nected in parallel in one Zone Legend Common Ungrounded Short Delay Output Signal to Higher Level Zone Short Delay Input Signal from Lower Level Zone Ground Output Signal to Higher Level Zone Ground Input Signal from Lower Level Zone ault at Location 2 2 0 5 Sec F21 F22 F23 0 1 Sec 0 1 Sec 0 1...

Страница 17: ...I L 29 8858 Page 17 NOTES Effective May 1997 w w w E l e c t r i c a l P a r t M a n u a l s c o m ...

Страница 18: ...Page 1 8 I L 29 8858 NOTES Effective May 1 997 w w w E l e c t r i c a l P a r t M a n u a l s c o m ...

Страница 19: ...I L 29 8858 Page 1 9 NOTES Effective May 1997 w w w E l e c t r i c a l P a r t M a n u a l s c o m ...

Страница 20: ...OSE OR MERCHANTABILITY OR WARRANTIES ARISING FROM COURSE OF DEALING OR USAGE OF TRADE ARE MADE REGARDING THE INFORMATION RECOMMENDATIONS AND DESCRIPTIONS CONTAINED HEREIN In no event will Cutler Hammer Inc be responsible to the purchaser or user in contract in tort including negligence strict liability or otherwise for any special indirect incidental or consequential damage or loss whatsoever incl...

Страница 21: ...T WHILE IT IS ENERGIZED DEATH OR SEVERE PERSONAL INJURY CAN RESULT FROM CONTACT _ ENERGIZED EQUIP MENT ALWAYS VERIFY THAT NO VOLTAGE IS PRESENT BEFORE PROCEEDING WITH THE TASK AND ALWAYS FOLLOW GENERALLY ACCEPTED SAFETY PROCEDURES CUTLER HAMMER IS NOT LIABLE FOR THE MISAPPLICATION OR MISINSTAL LATION OF ITS PRODUCTS It is strongly urged that the user observe all recommen dations warnings and cauti...

Страница 22: ...2 1 2 2 2 3 2 4 2 5 2 6 I L 29 8858 Note RMS Digitrip Type Ll LS and LSI trip units can be applied on 3 pole or 4 pole circuit breakers for protection of the neutral circuit IFthe circuit breaker is wired and MARKED for NEUTRAL PROTECTION Refer to the National Electric Code for appropriate application of 4 pole breakers 1 2 Information Light Emitting Diodes LED s on the face of the trip unit light...

Страница 23: ...otection LI Fig 2 2 Long Time Short Time Protection LS Effective May 1 997 Fig 2 3 Long Time Short Time Instantaneous Protection LSI Page 3 Fig 2 4 Long Time Instantaneous Ground Protection LIG w w w E l e c t r i c a l P a r t M a n u a l s c o m ...

Страница 24: ...ime Instantaneous Ground Protection LSIG The Digitrip RMS 51 0 Trip unit provides three basic func tions Protection Information and Testing A typical trip unit and rating plug are illustrated in Fig 1 Individual product instruction leaflets referenced in Section 9 0 illus trate typical Digitrip RMS Trip Units installed in specific breakers The trip unit employs the Cutler Hammer Inc custom designe...

Страница 25: ...ds approximately 1 0 of the frame current sensor rating the green LED will flash On and Off once each second to indicate the trip unit is energized and operating properly Note If the LED is steadily GREEN i e not flash ing the trip unit is not ready Effective May 1 997 3 3 Test Provisions See Section 5 0 3 4 DIScriminator Making Current Release For Types LS and LSG trip units only When the Digitri...

Страница 26: ...tream breaker s trip unit to the input terminals of the upstream breaker s trip unit For specific instructions see the applicable connection dia grams tor your breaker listed in Section 9 0 I L 29 8858 Note If a breaker M receives a Zone Interlocking signal from another breaker F but the fault current level is less than the trip unit setting for breaker M the signal from the other breaker F will n...

Страница 27: ...sively earlier than the Long Delay Time Setting When the load current returns to normal the LTM begins to reset and after about 1 0 minutes it has reset fully so that next Long Delay trip time will again be the Set ting value In certain applications it may be desirable to dis able the LTM function The LTM function can be disabled by first opening the breaker and then removing the Rating Plug See F...

Страница 28: ... the Long Delay Setting For currents greater than 8 times 1 the 12t response reverts to the flat response Note See also Section 3 6 Zone Interlocking above 4 6 Instantaneous Current Setting There are eight 8 available Instantaneous Current Set tings as illustrated in Fig 4 5 Six settings are in the range from 2 to 6 times In the rating plug value and the I L 29 8858 other two settings are M1 or M2...

Страница 29: ...a 600 150 1 80 210 240 300 360 450 600 w 0 630 1 58 1 89 221 252 315 378 473 630 800 200 240 280 320 400 480 600 BOO 1 000 250 300 350 400 500 600 750 1 000 J 1200 300 360 420 480 600 720 900 1 200 0 1250 312 375 438 500 625 750 938 1 200 z 1 600 400 480 560 640 800 960 1200 1 200 a 2000 500 600 700 800 1 000 1 200 1 200 1 200 0 2400 600 720 840 960 1 200 1 200 1200 1 200 w J J 2500 625 750 875 1 ...

Страница 30: ... Required following all automatic trip and test operations Push then release Test button to test Test operation begins with release of pushbutton Fig 5 Integral T est Panel Lower Right Corner of T rip Unit A CAUTION TESTING A CIRCUIT BREAKER UNDER TRIP CON DITIONS WHILE IT IS IN SERVICE AND CARRYING LOAD CURRENT WHETHER DONE BY INTERNAL OR EXTERNAL MEANS IS NOT RECOMMENDED ANY TRIPPING OPERATION W...

Страница 31: ... 0 of the breaker frame or current sensor rating be sure the GREEN Unit Status LED in the lower right corner of the trip unit See Figs 1 and 5 is blinking on and off indicating that there is enough current flowing to pro vide the power necessary to operate the trip unit In the event the Unit Status LED is either lighted GREEN or OFF continuously there is NOT enough cur rent flowing to power the tr...

Страница 32: ...ing make sure the circuit breaker is carrying no more than 50 of the Long Delay Current Setting 1 The I L 29 8858 trip unit will not execute your instructions to Test itself when the load current exceeds 50 of lr 2 Place the Test Amps selector switch See Fig 5 in one of the two Trip test settings i e 6T or GFT 3 Depress the black Test pushbutton See Fig 5 and release it the test is initiated when ...

Страница 33: ... Check Pushbutton l T ypical Rating Plug Values for Shorl Delay S1 and S2 Instantaneous M 1 and M2 Settings Batten OK if LED Lights GREEN when Batter y Check Bullen s Pushed Trip Unit Connector Fits into Keyed Cavity Page 1 3 obtained from the following companies under their type designation indicated Company Model Varta Batteries Inc 1 50 Clarbrook Road Elmsford N Y 1 0523 Duracell South Broadway...

Страница 34: ...rcuit breaker can carry with the specified current sensors installed The Sensor Rat ing can be the same or less than the Frame Rating but not greater The Rating Plug See Fig 6 fits into a special cavity to complete the trip unit See Fig 1 Rating plugs have two current ratings listed on their covers See Fig 6 1 the Must be used with Frame Rated cur I L 29 8858 rent value or Sensor Rated if applica ...

Страница 35: ...t Breaker APPENDIX A ZONE INTERLOCKING Assume a ground fault of 2000 Amperes occurs and refer to Fig A 1 CASE 1 There is no Zone Selective Interlocking standard time delay coordination is used Fault 3 The branch breaker will trip clearing the fault in 0 1 s Fault 2 The feeder breaker will trip clearing the fault in 0 3 s Fault 1 The breaker will trip clearing the fault in 0 5 s CASE 2 There is Zon...

Страница 36: ...maximum distance between first and last zone is 250 feet 1 10 m A3 A Maximum of 20 breakers may be con nected in parallel in one Zone Legend Common Ungrounded Short Delay Output Signal to Higher Level Zone Short Delay I nput Signal from Lower Level Zone Ground Output Signal to Higher Level Zone Ground Input Signal from Lower Level Zone cault at Location 2 2 0 5 Sec F21 F22 F23 0 1 Sec 0 1 Sec 0 1 ...

Страница 37: ...I L 29 8858 Page 17 NOTES Effective May 1997 w w w E l e c t r i c a l P a r t M a n u a l s c o m ...

Страница 38: ...Page 1 8 I L 29 8858 NOTES Effective May 1 997 w w w E l e c t r i c a l P a r t M a n u a l s c o m ...

Страница 39: ...I L 29 8858 Page 19 NOTES Effective May 1997 w w w E l e c t r i c a l P a r t M a n u a l s c o m ...

Страница 40: ...OSE OR MERCHANTABILITY OR WARRANTIES ARISING FROM COURSE OF DEALING OR USAGE OF TRADE ARE MADE REGARDING THE INFORMATION RECOMMENDATIONS AND DESCRIPTIONS CONTAINED HEREIN In no event will Cutler Hammer Inc be responsible to the purchaser or user in contract in tort including negligence strict liability or otherwise for any special indirect incidental or consequential damage or loss whatsoever incl...

Страница 41: ...NT WHILE IT IS ENERGIZED DEATH OR SEVERE PERSONAL INJURY CAN RESULT FROM CONTACT WITH ENERGIZED EQUIP MENT ALWAYS VERIFY THAT NO VOLTAGE IS PRESENT BEFORE PROCEEDING WITH THE TASK AND ALWAYS FOLLOW GENERALLY ACCEPTED SAFETY PROCEDURES CUTLER HAMMER IS NOT LIABLE FOR THE MISAPPLICATION OR MISINSTAL LATION OF ITS PRODUCTS It is strongly urged that the user observe all recommen dations warnings and c...

Страница 42: ... Type Ll LS and LSI trip units can be applied on 3 pole or 4 pole circuit breakers for protection of the neutral circuit IF the circuit breaker is wired and MARKED for NEUTRAL PROTECTION Refer to the National Electric Code for appropriate application of 4 pole breakers 1 2 Information Light Emitting Diodes LED s on the face of the trip unit light Red to indicate the reason for an automatic trip op...

Страница 43: ...otection LI Fig 2 2 Long Time Short Time Protection LS Effective May 1 997 Fig 2 3 Long Time Short Time Instantaneous Protection LSI Page 3 Fig 2 4 Long Time Instantaneous Ground Protection LIG w w w E l e c t r i c a l P a r t M a n u a l s c o m ...

Страница 44: ...ime Instantaneous Ground Protection LSIG The Digitrip RMS 51 0 Trip unit provides three basic func tions Protection Information and Testing A typical trip unit and rating plug are illustrated in Fig 1 Individual product instruction leaflets referenced in Section 9 0 illus trate typical Digitrip RMS Trip Units installed in specific breakers The trip unit employs the Cutler Hammer Inc custom designe...

Страница 45: ...ll flash On and Off once each second to indicate the trip unit is energized and operating properly Note If the LED is steadily GREEN i e not flash ing the trip unit is not ready Effective May 1997 3 4 DIScriminator Making Current Release For Types LS and LSG trip units only When the Digitrip RMS 51 0 Trip Unit is not equipped with an adjustable instantaneous protection setting i e types LS or LSG ...

Страница 46: ...tream breaker s trip unit to the input terminals of the upstream breaker s trip unit For specific instructions see the applicable connection dia grams for your breaker listed in Section 9 0 I L 29 8858 Note If a breaker M receives a Zone Interlocking signal from another breaker F but the fault current level is less than the trip unit setting for breaker M the signal from the other breaker F will n...

Страница 47: ...progressively earlier than the Long Delay Time Setting When the load current returns to normal the LTM begins to reset and after about 10 minutes it has reset fully so that next Long Delay trip time will again be the Set ting value In certain applications it may be desirable to dis able the LTM function The LTM function can be disabled by first opening the breaker and then removing the Rating Plug...

Страница 48: ...ght 8 times 1 the Long Delay Setting For currents greater than 8 times 1 the 12t response reverts to the flat response Note See also Section 3 6 Zone Interlocking above 4 6 Instantaneous Current Setting There are eight 8 available Instantaneous Current Set tings as illustrated in Fig 4 5 Six settings are in the range from 2 to 6 times In the rating plug value and the I L 29 8858 other two settings...

Страница 49: ...40 300 400 c 600 LlJ 1 50 1BO 210 240 300 360 450 600 a_ 630 1 58 189 221 252 315 37B 473 630 BOO 200 240 2BO 320 400 480 600 BOO C l 1 000 250 300 350 400 500 600 750 1 000 1 1 200 300 360 420 4BO 600 720 900 1 200 a_ C l 1250 312 375 438 500 625 750 93B 1 200 z 1 600 400 4BO 560 640 BOO 960 1 200 1200 c 2000 500 600 700 BOO 1 000 1 200 1200 1 200 0 2400 600 720 B40 960 1200 1 200 1 200 1 200 LlJ...

Страница 50: ...Required following all automatic trip and test operations Push then release Test button to test Test operation begins with release of pushbutton Integral T est Panel Lower Right Corner of T rip Unit A CAUTION TESTING A CIRCUIT BREAKER UNDER TRIP CON DITIONS WHILE IT IS IN SERVICE AND CARRYING LOAD CURRENT WHETHER DONE BY INTERNAL OR EXTERNAL MEANS IS NOT RECOMMENDED ANY TRIPPING OPERATION WILL CAU...

Страница 51: ...1 0 of the breakerframe or current sensor rating be sure the GREEN Unit Status LED in the lower right corner of the trip unit See Figs 1 and 5 is blinking on and off indicating that there is enough current flowing to pro vide the power necessary to operate the trip unit In the event the Unit Status LED is either lighted GREEN or OFF continuously there is NOT enough cur rent flowing to power the tr...

Страница 52: ...ing make sure the circuit breaker is carrying no more than 50 of the Long Delay Current Setting lr The I L 29 8858 trip unit will not execute your instructions to Test itself when the load current exceeds 50 of 1 2 Place the Test Amps selector switch See Fig 5 in one of the two Trip test settings i e 6T or GFT 3 Depress the black Test pushbutton See Fig 5 and release it the test is initiated when ...

Страница 53: ...tton T ypical Rating Plug Values for Short Delay 51 and S2 Instantaneous M1 and M2 Settings Battery OK if LED Lights GREEN when Battery Check Button is Pushed Trip Unit Connector Fits into Keyed Cavity Page 1 3 obtained from the following companies under their type designation indicated Company Model Varta Batteries Inc 1 50 Clarbrook Road Elmsford N Y 1 0523 Duracell South Broadway Tarrytown N Y ...

Страница 54: ...ircuit breaker can carry with the specified current sensors installed The Sensor Rat ing can be the same or less than the Frame Rating but not greater The Rating Plug See Fig 6 fits into a special cavity to complete the trip unit See Fig 1 Rating plugs have two current ratings listed on their covers See Fig 6 1 the Must be used with Frame Rated cur I L 29 8858 rent value or Sensor Rated if applica...

Страница 55: ...t Breaker APPENDIX A ZONE INTERLOCKING Assume a ground fault of 2000 Amperes occurs and refer to Fig A 1 CASE 1 There is no Zone Selective Interlocking standard time delay coordination is used Fault 3 The branch breaker will trip clearing the fault in 0 1 s Fault 2 The feeder breaker will trip clearing the fault in 0 3 s Fault 1 The breaker will trip clearing the fault in 0 5 s CASE 2 There is Zon...

Страница 56: ...he maximum distance between first and last zone is 250 feet 1 10 m A3 A Maximum of 20 breakers may be con nected in parallel in one Zone Legend Common Ungrounded Short Delay Output Signal to Higher Level Zone Short Delay Input Signal from Lower Level Zone Ground Output Signal to Higher Level Zone Ground Input Signal from Lower Level Zone ault at Location 2 2 0 5 Sec F21 F22 F23 0 1 Sec 0 1 Sec 0 1...

Страница 57: ...I L 29 8858 Page 1 7 NOTES Effective May 1 997 w w w E l e c t r i c a l P a r t M a n u a l s c o m ...

Страница 58: ...Page 1 8 I L 29 8858 NOTES Effective May 1 997 w w w E l e c t r i c a l P a r t M a n u a l s c o m ...

Страница 59: ...I L 29 8858 Page 1 9 NOTES Effective May 1 997 w w w E l e c t r i c a l P a r t M a n u a l s c o m ...

Страница 60: ...SE OR M ERCHANTABILITY OR WARRANTIES ARISING FROM COURSE OF DEALING OR USAGE OF TRADE ARE MADE REGARDING THE INFORMATION RECOMMENDATIONS AND DESCRIPTIONS CONTAINED HEREIN In no event will Cutler Hammer Inc be responsible to the purchaser or user in contract in tort including negligence strict liability or otherwise for any special indirect incidental or consequential damage or loss whatsoever incl...

Страница 61: ...NT WHILE IT IS ENERGIZED DEATH OR SEVERE PERSONAL INJURY CAN RESULT FROM CONTACT WITH ENERGIZED EQUIP MENT ALWAYS VERIFY THAT NO VOLTAGE IS PRESENT BEFORE PROCEEDING WITH THE TASK AND ALWAYS FOLLOW GENERALLY ACCEPTED SAFETY PROCEDURES CUTLER HAMMER IS NOT LIABLE FOR THE MISAPPLICATION OR MISINSTAL LATION OF ITS PRODUCTS It is strongly urged that the user observe all recommen dations warnings and c...

Страница 62: ... 2 4 2 5 2 6 I L 29 8858 Note RMS Digitrip Type Ll LS and LSI trip units can be applied on 3 pole or 4 pole circuit breakers for protection of the neutral circuit IF the circuit breaker is wired and MARKED for NEUTRAL PROTECTION Refer to the National Electric Code for appropriate application of 4 pole breakers 1 2 Information Light Emitting Diodes LED s on the face of the trip unit light Red to in...

Страница 63: ...rotection LI Fig 2 2 Long Time Short Time Protection LS Effective May 1997 Fig 2 3 Long Time Short Time Instantaneous Protection LSI Page 3 Fig 2 4 Long Time Instantaneous Ground Protection LIG w w w E l e c t r i c a l P a r t M a n u a l s c o m ...

Страница 64: ...Time Instantaneous Ground Protection LSIG The Digitrip RMS 51 0 Trip unit provides three basic func tions Protection Information and Testing A typical trip unit and rating plug are illustrated in Fig 1 Individual product instruction leaflets referenced in Section 9 0 illus trate typical Digitrip RMS Trip Units installed in specific breakers The trip unit employs the Cutler Hammer Inc custom design...

Страница 65: ...ds approximately 1 0 of the frame current sensor rating the green LED will flash On and Off once each second to indicate the trip unit is energized and operating properly Note If the LED is steadily GREEN i e not flash ing the trip unit is not ready Effective May 1997 3 3 Test Provisions See Section 5 0 3 4 DIScriminator Making Current Release For Types LS and LSG trip units only When the Digitrip...

Страница 66: ...stream breaker s trip unit to the input terminals of the upstream breaker s trip unit For specific instructions see the applicable connection dia grams for your breaker listed in Section 9 0 I L 29 8858 Note If a breaker M receives a Zone Interlocking signal from another breaker F but the fault current level is less than the trip unit setting for breaker M the signal from the other breaker F will ...

Страница 67: ...essively earlier than the Long Delay Time Setting When the load current returns to normal the LTM begins to reset and after about 1 0 minutes it has reset fully so that next Long Delay trip time will again be the Set ting value In certain applications it may be desirable to dis able the LTM function The LTM function can be disabled by first opening the breaker and then removing the Rating Plug See...

Страница 68: ...ong Delay Setting For currents greater than 8 times 1 the 12t response reverts to the flat response Note See also Section 3 6 Zone Interlocking above 4 6 Instantaneous Current Setting There are eight 8 available Instantaneous Current Set tings as illustrated in Fig 4 5 Six settings are in the range from 2 to 6 times In the rating plug value and the I L 29 8858 other two settings are M1 or M2 times...

Страница 69: ...0 1 50 1 BO 210 240 300 360 450 600 L1J a 630 1 5B 1B9 221 252 315 37B 473 630 BOO 200 240 2BO 320 400 4BO 600 BOO 1 000 250 300 350 400 500 600 750 1 000 1 200 300 360 420 4BO 600 720 900 1 200 a 1250 312 375 43B 500 625 750 93B 1 200 z 1 600 400 4BO 560 640 BOO 960 1200 1 200 c 2000 500 600 700 BOO 1 000 1200 1 200 1 200 Cl 2400 600 720 B40 960 1 200 1 200 1 200 1200 L1J 2500 625 750 B75 1 000 1...

Страница 70: ... Required following all automatic trip and test operations Push then release Test button to test Test operation begins with release of pushbutton Fig 5 Integral T est Panel Lower Right Corner of T rip Unit A CAUTION TESTING A CIRCUIT BREAKER UNDER TRIP CON DITIONS WHILE IT IS IN SERVICE AND CARRYING LOAD CURRENT WHETHER DONE BY INTERNAL OR EXTERNAL MEANS IS NOT RECOMMENDED ANY TRIPPING OPERATION W...

Страница 71: ... 1 0 of the breaker frame or current sensor rating be sure the GREEN Unit Status LED in the lower right corner of the trip unit See Figs 1 and 5 is blinking on and off indicating that there is enough current flowing to pro vide the power necessary to operate the trip unit In the event the Unit Status LED is either lighted GREEN or OFF continuously there is NOT enough cur rent flowing to power the ...

Страница 72: ...ing make sure the circuit breaker is carrying no more than 50 of the Long Delay Current Setting lr The I L 29 8858 trip unit will not execute your instructions to Test itself when the load current exceeds 50 of lr 2 Place the Test Amps selector switch See Fig 5 in one of the two Trip test settings i e 6T or GFT 3 Depress the black Test pushbutton See Fig 5 and release it the test is initiated when...

Страница 73: ...ly Instantaneous M1 and M2 Rating Plugs for R Frame and SPB Breakers are Similar Settings Rating Plug Identification Fig 6 T ypical Rating Plug Trip Unit Connector Fits into Keyed Cavity Page 1 3 obtained from the following companies under their type designation indicated Company Model Varta Batteries Inc 1 50 Clarbrook Road Elmsford N Y 1 0523 Duracell South Broadway Tarrytown N Y 1 0591 91 4 591...

Страница 74: ...rcuit breaker can carry with the specified current sensors installed The Sensor Rat ing can be the same or less than the Frame Rating but not greater The Rating Plug See Fig 6 fits into a special cavity to complete the trip unit See Fig 1 Rating plugs have two current ratings listed on their covers See Fig 6 1 the Must be used with Frame Rated cur I L 29 8858 rent value or Sensor Rated if applica ...

Страница 75: ...t Breaker APPENDIX A ZONE INTERLOCKING Assume a ground fault of 2000 Amperes occurs and refer to Fig A 1 CASE 1 There is no Zone Selective Interlocking standard time delay coordination is used Fault 3 The branch breaker will trip clearing the fault in 0 1 s Fault 2 The feeder breaker will trip clearing the fault in 0 3 S Fault 1 The breaker will trip clearing the fault in 0 5 s CASE 2 There is Zon...

Страница 76: ...2 The maximum distance between first and last zone is 250 feet 1 1 0 m A3 A Maximum of 20 breakers may be con nected in parallel in one Zone Legend Common Ungrounded Short Delay Output Signal to Higher Level Zone Short Delay I nput Signal from Lower Level Zone Ground Output Signal to Higher Level Zone Ground Input Signal from Lower Level Zone cault at Location 2 2 0 5 Sec F21 F22 F23 0 1 Sec 0 1 S...

Страница 77: ...I L 29 8858 Page 1 7 NOTES Effective May 1 997 w w w E l e c t r i c a l P a r t M a n u a l s c o m ...

Страница 78: ...Page 1 8 I L 29 8858 NOTES Effective May 1 997 w w w E l e c t r i c a l P a r t M a n u a l s c o m ...

Страница 79: ...I L 29 8858 Page 19 NOTES Effective May 1997 w w w E l e c t r i c a l P a r t M a n u a l s c o m ...

Страница 80: ...OSE OR MERCHANTABILITY OR WARRANTIES ARISING FROM COURSE OF DEALING OR USAGE OF TRADE ARE MADE REGARDING THE INFORMATION RECOMMENDATIONS AND DESCRIPTIONS CONTAINED HEREIN In no event will Cutler Hammer Inc be responsible to the purchaser or user in contract in tort including negligence strict liability or otherwise for any special indirect incidental or consequential damage or loss whatsoever incl...

Страница 81: ...MENT WHILE IT IS ENERGIZED DEATH OR SEVERE PERSONAL INJURY CAN RESULT FROM CONTACT WITH ENERGIZED EQUIP MENT ALWAYS VERIFY THAT NO VOLTAGE IS PRESENT BEFORE PROCEEDING WITH THE TASK AND ALWAYS FOLLOW GENERALLY ACCEPTED SAFETY PROCEDURES CUTLER HAMMER IS NOT LIABLE FOR THE MISAPPLICATION OR MISINSTAL LATION OF ITS PRODUCTS It is strongly urged that the user observe all recommen dations warnings and...

Страница 82: ...RMS Digitrip Type Ll LS and LSI trip units can be applied on 3 pole or 4 pole circuit breakers for protection of the neutral circuit IFthe circuit breaker is wired and MARKED for NEUTRAL PROTECTION Refer to the National Electric Code for appropriate application of 4 pole breakers 1 2 Information Light Emitting Diodes LED s on the face of the trip unit light Red to indicate the reason for an automa...

Страница 83: ...otection LI Fig 2 2 Long Time Short Time Protection LS Effective May 1 997 Fig 2 3 Long Time Short Time Instantaneous Protection LSI Page 3 Fig 2 4 Long Time Instantaneous Ground Protection LIG w w w E l e c t r i c a l P a r t M a n u a l s c o m ...

Страница 84: ... Time Instantaneous Ground Protection LSIG The Digitrip RMS 51 0 Trip unit provides three basic func tions Protection Information and Testing A typical trip unit and rating plug are illustrated in Fig 1 Individual product instruction leaflets referenced in Section 9 0 illus trate typical Digitrip RMS Trip Units installed in specific breakers The trip unit employs the Cutler Hammer Inc custom desig...

Страница 85: ...eeds approximately 1 0 of the frame current sensor rating the green LED will flash On and Off once each second to indicate the trip unit is energized and operating properly Note If the LED is steadily GREEN i e not flash ing the trip unit is not ready Effective May 1997 3 3 Test Provisions See Section 5 0 3 4 DIScriminator Making Current Release For Types LS and LSG trip units only When the Digitr...

Страница 86: ...tream breaker s trip unit to the input terminals of the upstream breaker s trip unit For specific instructions see the applicable connection dia grams for your breaker listed in Section 9 0 I L 29 8858 Note If a breaker M receives a Zone Interlocking signal from another breaker F but the fault current level is less than the trip unit setting for breaker M the signal from the other breaker F will n...

Страница 87: ...sively earlier than the Long Delay Time Setting When the load current returns to normal the LTM begins to reset and after about 10 minutes it has reset fully so that next Long Delay trip time will again be the Set ting value In certain applications it may be desirable to dis able the LTM function The LTM function can be disabled by first opening the breaker and then removing the Rating Plug See Fi...

Страница 88: ...times 1 the Long Delay Setting For currents greater than 8 times 1 the 12t response reverts to the flat response Note See also Section 3 6 Zone Interlocking above 4 6 Instantaneous Current Setting There are eight 8 available Instantaneous Current Set tings as illustrated in Fig 4 5 Six settings are in the range from 2 to 6 times In the rating plug value and the I L 29 8858 other two settings are M...

Страница 89: ... 200 240 300 400 a UJ 600 150 1 80 210 240 300 360 450 600 a_ 630 158 189 221 252 315 378 473 630 2 s 800 200 240 280 320 400 480 600 800 1 000 250 300 350 400 500 600 750 1 000 1 200 300 360 420 480 600 720 900 1200 a_ 1250 312 375 438 500 625 750 938 1200 z 1 600 400 480 560 640 800 960 1200 1200 a 2000 500 600 700 800 1 000 1200 1200 1200 Cl 2400 600 720 840 960 1 200 1200 1200 1200 UJ 2500 625...

Страница 90: ...nit Required following all automatic trip and test operations Push then release Test button to test Test operation begins with release of pushbutton Fig 5 Integral T est Panel Lower Right Corner of T rip Unit A CAUTION TESTING A CIRCUIT BREAKER UNDER TRIP CON DITIONS WHILE IT IS IN SERVICE AND CARRYING LOAD CURRENT WHETHER DONE BY INTERNAL OR EXTERNAL MEANS IS NOT RECOMMENDED ANY TRIPPING OPERATIO...

Страница 91: ...1 0 of the breaker frame or current sensor rating be sure the GREEN Unit Status LED in the lower right corner of the trip unit See Figs 1 and 5 is blinking on and off indicating that there is enough current flowing to pro vide the power necessary to operate the trip unit In the event the Unit Status LED is either lighted GREEN or OFF continuously there is NOT enough cur rent flowing to power the t...

Страница 92: ...wing make sure the circuit breaker is carrying no more than 50 of the Long Delay Current Setting 1 The I L 29 8858 trip unit will not execute your instructions to Test itself when the load current exceeds 50 of lr 2 Place the Test Amps selector switch See Fig 5 in one of the two Trip test settings i e 6T or GFT 3 Depress the black Test pushbutton See Fig 5 and release it the test is initiated when...

Страница 93: ...if catkm Fig 6 Battery Check Pushbutton 1 T ypical Rating Plug Values for Short Delay S1 and S2 n tantanm us M1 and M2 Settings Battery OK if LED Lights GREEN when Battery Check Button is Pushed Trip Unit Connector Fits into Keyed Cavity Page 13 obtained from the following companies under their type designation indicated Company Varta Batteries Inc 1 50 Clarbrook Road Elmsford N Y 1 0523 Duracell ...

Страница 94: ...circuit breaker can carry with the specified current sensors installed The Sensor Rat ing can be the same or less than the Frame Rating but not greater The Rating Plug See Fig 6 fits into a special cavity to complete the trip unit See Fig 1 Rating plugs have two current ratings listed on their covers See Fig 6 1 the Must be used with Frame Rated cur I L 29 8858 rent value or Sensor Rated if applic...

Страница 95: ...Breaker APPENDIX A ZONE INTERLOCKING Assume a ground fault of 2000 Amperes occurs and refer to Fig A 1 CASE 1 There is no Zone Selective Interlocking standard time delay coordination is used ult 3 The branch breaker will trip clearing the fault in 0 1 s Fault 2 The feeder breaker will trip clearing the fault in 0 3 s Fault 1 The breaker will trip clearing the fault in 0 5 s CASE 2 There is Zone Se...

Страница 96: ...rlock Wiring The maximum distance between first and last zone is 250 feet 1 10 m A3 A Maximum of 20 breakers may be con nected in parallel in one Zone M2 0 5 Sec F21 F22 0 1 Sec 0 1 Sec Legend Common Ungrounded Short Delay Output Signal to Higher Level Zone Short Delay Input Signal from Lower Level Zone Ground Output Signal to Higher Level Zone Ground Input Signal from Lower Level Zone ault at Loc...

Страница 97: ...I L 29 8858 Page 1 7 NOTES Effective May 1 997 w w w E l e c t r i c a l P a r t M a n u a l s c o m ...

Страница 98: ...Page 1 8 I L 29 8858 NOTES Effective May 1 997 w w w E l e c t r i c a l P a r t M a n u a l s c o m ...

Страница 99: ...I L 29 8858 Page 1 9 NOTES Effective May 1 997 w w w E l e c t r i c a l P a r t M a n u a l s c o m ...

Страница 100: ...OSE OR MERCHANTABILITY OR WARRANTIES ARISING FROM COURSE OF DEALING OR USAGE OF TRADE ARE MADE REGARDING THE INFORMATION RECOMMENDATIONS AND DESCRIPTIONS CONTAINED HEREIN In no event will Cutler Hammer Inc be responsible to the purchaser or user in contract in tort including negligence strict liability or otherwise for any special indirect incidental or consequential damage or loss whatsoever incl...

Страница 101: ...NT WHILE IT IS ENERGIZED DEATH OR SEVERE PERSONAL INJURY CAN RESULT FROM CONTACT WITH ENERGIZED EQUIP MENT ALWAYS VERIFY THAT NO VOLTAGE IS PRESENT BEFORE PROCEEDING WITH THE TASK AND ALWAYS FOLLOW GENERALLY ACCEPTED SAFETY PROCEDURES CUTLER HAMMER IS NOT LIABLE FOR THE MISAPPLICATION OR MISINSTAL LATION OF ITS PRODUCTS It is strongly u rged that the user observe all recommen dations warnings and ...

Страница 102: ... 2 4 2 5 2 6 I L 29 8858 Note RMS Digitrip Type Ll LS and LSI trip units can be applied on 3 pole or 4 pole circuit breakers for protection of the neutral circuit IFthe circuit breaker is wired and MARKED for NEUTRAL PROTECTION Refer to the National Electric Code for appropriate application of 4 pole breakers 1 2 Information Light Emitting Diodes LED s on the face of the trip unit light Red to ind...

Страница 103: ...otection LI Fig 2 2 Long Time Short Time Protection LS Effective May 1 997 Fig 2 3 Long Time Short Time Instantaneous Protection LSI Page 3 Fig 2 4 Long Time Instantaneous Ground Protection LIG w w w E l e c t r i c a l P a r t M a n u a l s c o m ...

Страница 104: ...me Instantaneous Ground Protection LS G The Digitrip RMS 51 0 Trip unit provides three basic func tions Protection Information and Testing A typical trip unit and rating plug are illustrated in Fig 1 Individual product instruction leaflets referenced in Section 9 0 illus trate typical Digitrip RMS Trip Units installed in specific breakers The trip unit employs the Cutler Hammer Inc custom designed...

Страница 105: ...oad current through the circuit breaker exceeds approximately 1 0 of the frame current sensor rating the green LED will flash On and Off once each second to indicate the trip unit is energized and operating properly Note If the LED is steadily GREEN i e not flash ing the trip unit is not ready Effective May 1997 3 3 Test Provisions See Section 5 0 3 4 DIScriminator Making Current Release For Types...

Страница 106: ...tream breaker s trip unit to the input terminals of the upstream breaker s trip unit For specific instructions see the applicable connection dia grams for your breaker listed in Section 9 0 I L 29 8858 Note If a breaker M receives a Zone Interlocking signal from another breaker F but the fault current level is less than the trip unit setting for breaker M the signal from the other breaker F will n...

Страница 107: ...arlier than the Long Delay Time Setting When the load current returns to normal the LTM begins to reset and after about 1 0 minutes it has reset fully so that next Long Delay trip time will again be the Set ting value In certain applications it may be desirable to dis able the LTM function The LTM function can be disabled by first opening the breaker and then removing the Rating Plug See Figures 1...

Страница 108: ... 1 the Long Delay Setting For currents greater than 8 times 1 the 12t response reverts to the flat response Note See also Section 3 6 Zone Interlocking above 4 6 Instantaneous Current Setting There are eight 8 available Instantaneous Current Set tings as illustrated in Fig 4 5 Six settings are in the range from 2 to 6 times In the rating plug value and the I L 29 8858 other two settings are M1 or ...

Страница 109: ... 400 a 600 150 1 BO 210 w 240 300 360 450 600 a_ 630 15B 1 B9 221 252 3 1 5 37B 473 630 E BOO 200 240 2BO 320 400 480 600 BOO 1 000 250 300 350 400 500 600 750 1 000 J J 1 200 300 360 420 480 600 720 900 1 200 a_ 1250 312 375 43B 500 625 750 938 1200 z 1 600 400 4BO 560 640 BOO 960 1 200 1 200 a 2000 500 600 700 BOO 1000 1200 1 200 1 200 Cl 2400 600 720 640 960 1 200 1200 1200 1200 w J 1 200 J 250...

Страница 110: ...p Unit Required following all automatic trip and test operations Push then release Test button to test Test operation begins with release of pushbutton Integral T est Panel Lower Right Corner of Trip Unit A CAUTION TESTING A CIRCUIT BREAKER UNDER TRIP CON DITIONS WHILE IT IS IN SERVICE AND CARRYING LOAD CURRENT WHETHER DONE BY INTERNAL OR EXTERNAL MEANS IS NOT RECOMMENDED ANY TRIPPING OPERATION WI...

Страница 111: ... 0 of the breaker frame or current sensor rating be sure the GREEN Unit Status LED in the lower right corner of the trip unit See Figs 1 and 5 is blinking on and off indicating that there is enough current flowing to pro vide the power necessary to operate the trip unit In the event the Unit Status LED is either lighted GREEN or OFF continuously there is NOT enough cur rent flowing to power the tr...

Страница 112: ...ing make sure the circuit breaker is carrying no more than 50 of the Long Delay Current Setting lr The I L 29 8858 trip unit will not execute your instructions to Test itself when the load current exceeds 50 of 1 2 Place the Test Amps selector switch See Fig 5 in one of the two Trip test settings i e 6T or GFT 3 Depress the black Test pushbutton See Fig 5 and release it the test is initiated when ...

Страница 113: ... Fig 6 Battery Check Pushbutton T ypical Rating Plug Values for Short Detav S1 and S2 instantaneous M1 and M2 Settings Battery OK if LED Lights GREEN wnen Battery Check Button ls Pushed Trip Unit Connector Fits into Keyed Cavity Page 13 obtained from the following companies under their type designation indicated Company Model Varta Batteries Inc 1 50 Clarbrook Road Elmsford N Y 1 0523 Duracell Sou...

Страница 114: ...cuit breaker can carry with the specified current sensors installed The Sensor Rat ing can be the same or less than the Frame Rating but not greater The Rating Plug See Fig 6 fits into a special cavity to complete the trip unit See Fig 1 Rating plugs have two current ratings listed on their covers See Fig 6 1 the Must be used with Frame Rated cur I L 29 8858 rent value or Sensor Rated if applica b...

Страница 115: ...Breaker APPENDIX A ZONE INTERLOCKING Assume a ground fault of 2000 Amperes occurs and refer to Fig A 1 CASE 1 There is no Zone Selective Interlocking standard time delay coordination is used Fault 3 The branch breaker will trip clearing the fault in 0 1 s Fault 2 The feeder breaker will trip clearing the fault in 0 3 s Fault 1 The breaker will trip clearing the fault in 0 5 s CASE 2 There is Zone ...

Страница 116: ...e maximum distance between first and last zone is 250 feet 1 1 0 m A3 A Maximum of 20 breakers may be con nected in parallel in one Zone Legend Common Ungrounded Short Delay Output Signal to Higher Level Zone Short Delay I nput Signa I from Lower Level Zone Ground Output Signal to Higher Level Zone Ground Input Signal from Lower Level Zone ault at Location 2 2 0 5 Sec F21 F22 F23 0 1 Sec 0 1 Sec 0...

Страница 117: ...I L 29 8858 Page 17 NOTES Effective May 1997 w w w E l e c t r i c a l P a r t M a n u a l s c o m ...

Страница 118: ...Page 18 I L 29 8858 NOTES Effective May 1 997 w w w E l e c t r i c a l P a r t M a n u a l s c o m ...

Страница 119: ...I L 29 8858 Page 19 NOTES Effective May 1 997 w w w E l e c t r i c a l P a r t M a n u a l s c o m ...

Страница 120: ...SE OR M ERCHANTABILITY OR WARRANTIES ARISING FROM COURSE OF DEALING OR USAGE OF TRADE ARE MADE REGARDING THE INFORMATION RECOMMENDATIONS AND DESCRIPTIONS CONTAINED HEREIN In no event will Cutler Hammer Inc be responsible to the purchaser or user in contract in tort including negligence strict liability or otherwise for any special indirect incidental or consequential damage or loss whatsoever incl...

Страница 121: ...WHILE IT IS ENERGIZED DEATH OR SEVERE PERSONAL INJURY CAN RESULT FROM CONTACT WITH ENERGIZED EQUIP MENT ALWAYS VERIFY THAT NO VOLTAGE IS PRESENT BEFORE PROCEEDING WITH THE TASK AND ALWAYS FOLLOW GENERALLY ACCEPTED SAFETY PROCEDURES CUTLER HAMMER IS NOT LIABLE FOR THE MISAPPLICATION OR MISINSTAL LATION OF ITS PRODUCTS It is strongly urged that the user observe all recommen dations warnings and caut...

Страница 122: ... 2 1 2 2 2 3 2 4 2 5 2 6 I L 29 8858 Note RMS Digitrip Type Ll LS and LSI trip units can be applied on 3 pole or 4 pole circuit breakers for protection of the neutral circuit IF the circuitbreaker is wired and MARKED for NEUTRAL PROTECTION Refer to the National Electric Code for appropriate application of 4 pole breakers 1 2 Information Light Emitting Diodes LED s on the face of the trip unit ligh...

Страница 123: ...rotection L Fig 2 2 Long Time Short Time Protection LS Effective May 1997 Fig 2 3 Long Time Short Time Instantaneous Protection LSI Page 3 Fig 2 4 Long Time Instantaneous Ground Protection LIG w w w E l e c t r i c a l P a r t M a n u a l s c o m ...

Страница 124: ...ime Instantaneous Ground Protection LS G The Digitrip RMS 51 0 Trip unit provides three basic func tions Protection Information and Testing A typical trip unit and rating plug are illustrated in Fig 1 Individual product instruction leaflets referenced in Section 9 0 illus trate typical Digitrip RMS Trip Units installed in specific breakers The trip unit employs the Cutler Hammer Inc custom designe...

Страница 125: ...ating the green LED will flash On and Off once each second to indicate the trip unit is energized and operating properly Note If the LED is steadily GREEN i e not flash ing the trip unit is not ready Effective May 1 997 3 3 Test Provisions See Section 5 0 3 4 DIScriminator Making Current Release For Types LS and LSG trip units only When the Digitrip RMS 51 0 Trip Unit is not equipped with an adjus...

Страница 126: ...tream breaker s trip unit to the input terminals of the upstream breaker s trip unit For specific instructions see the applicable connection dia grams for your breaker listed in Section 9 0 I L 29 8858 Note If a breaker M receives a Zone Interlocking signal from another breaker F but the fault current level is less than the trip unit setting for breaker M the signal from the other breaker F will n...

Страница 127: ...arlier than the Long Delay Time Setting When the load current returns to normal the LTM begins to reset and after about 1 0 minutes it has reset fully so that next Long Delay trip time will again be the Set ting value In certain applications it may be desirable to dis able the LTM function The LTM function can be disabled by first opening the breaker and then removing the Rating Plug See Figures 1...

Страница 128: ... Long Delay Setting For currents greater than 8 times 1 the 12t response reverts to the flat response Note See also Section 3 6 Zone Interlocking above 4 6 Instantaneous Current Setting There are eight 8 available Instantaneous Current Set tings as illustrated in Fig 4 5 Six settings are in the range from 2 to 6 times In the rating plug value and the J L 29 8858 other two settings are M1 or M2 tim...

Страница 129: ...0 1 BO 210 240 300 360 450 600 a 630 15B 1 B9 221 252 315 37B 473 630 2 5 BOO 200 240 2BO 320 400 4BO 600 BOO C 1 000 250 300 350 400 500 600 750 1 000 J J 1 200 300 360 420 4BO 600 720 900 1 200 a C 1 250 312 375 43B 500 625 750 93B 1200 z 1 600 400 4BO 560 640 BOO 960 1 200 1200 cr 2000 500 600 700 BOO 1 000 1 200 1 200 1200 0 2400 600 720 B40 960 1 200 1200 1 200 1200 w J J 2500 625 750 B75 1 0...

Страница 130: ... following all automatic trip and test operations Push then release Test button to test Test operation begins with release of pushbutton Fig 5 Integral T est Panel Lower Right Corner of T rip Unit A CAUTION TESTING A CIRCUIT BREAKER UNDER TRIP CON DITIONS WHILE IT IS IN SERVICE AND CARRYING LOAD CURRENT WHETHER DONE BY INTERNAL OR EXTERNAL MEANS IS NOT RECOMMENDED ANY TRIPPING OPERATION WILL CAUSE...

Страница 131: ... 1 0 of the breakerframe or current sensor rating be sure the GREEN Unit Status LED in the lower right corner of the trip unit See Figs 1 and 5 is blinking on and off indicating that there is enough current flowing to pro vide the power necessary to operate the trip unit In the event the Unit Status LED is either lighted GREEN or OFF continuously there is NOT enough cur rent flowing to power the t...

Страница 132: ...wing make sure the circuit breaker is carrying no more than 50 of the Long Delay Current Setting 1 The I L 29 8858 trip unit will not execute your instructions to Test itself when the load current exceeds 50 of lr 2 Place the Test Amps selector switch See Fig 5 in one of the two Trip test settings i e 6T or GFT 3 Depress the black Test pushbutton See Fig 5 and release it the test is initiated when...

Страница 133: ...milar Ratmg Plug lctentification Fig 6 Batterv C heck Pushbuttot J T ypical Rating Plug Battery OK if LED Lrghts GREEN when Battery Check BrJ ton rs Pushed Trip Unit Connector Fits into Keyed Cavity Page 1 3 obtained from the following companies under their type designation indicated Company Model Varta Batteries Inc 1 50 Clarbrook Road Elmsford N Y 1 0523 Duracell South Broadway Tarrytown N Y 1 0...

Страница 134: ...uit breaker can carry with the specified current sensors installed The Sensor Rat ing can be the same or less than the Frame Rating but not greater The Rating Plug See Fig 6 fits into a special cavity to complete the trip unit See Fig 1 Rating plugs have two current ratings listed on their covers See Fig 6 1 the Must be used with Frame Rated cur I L 29 8858 rent value or Sensor Rated if applica bl...

Страница 135: ...Breaker APPENDIX A ZONE INTERLOCKING Assume a ground fault of 2000 Amperes occurs and refer to Fig A 1 CASE 1 There is no Zone Selective Interlocking standard time delay coordination is used Fault 3 The branch breaker will trip clearing the fault in 0 1 s Fault 2 The feeder breaker will trip clearing the fault in 0 3 s Fault 1 The breaker will trip clearing the fault in 0 5 s CASE 2 There is Zone ...

Страница 136: ...aximum distance between first and last zone is 250 feet 1 1 0 m A3 A Maximum of 20 breakers may be con nected in parallel in one Zone M2 0 5 Sec F21 F22 0 1 Sec 0 1 Sec Legend Common Ungrounded Short Delay Output Signal to Higher Level Zone Short Delay Input Signal from Lower Level Zone Ground Output Signal to Higher Level Zone Ground Input Signal from Lower Level Zone Fault at Location 2 2 F23 0 ...

Страница 137: ...I L 29 8858 Page 1 7 NOTES Effective May 1 997 w w w E l e c t r i c a l P a r t M a n u a l s c o m ...

Страница 138: ...Page 1 8 I L 29 8858 NOTES Effective May 1 997 w w w E l e c t r i c a l P a r t M a n u a l s c o m ...

Страница 139: ...I L 29 8858 Page 19 NOTES Effective May 1997 w w w E l e c t r i c a l P a r t M a n u a l s c o m ...

Страница 140: ...OSE OR MERCHANTABILITY OR WARRANTIES ARISING FROM COURSE OF DEALING OR USAGE OF TRADE ARE MADE REGARDING THE INFORMATION RECOMMENDATIONS AND DESCRIPTIONS CONTAINED HEREIN In no event will Cutler Hammer Inc be responsible to the purchaser or user in contract in tort including negligence strict liability or otherwise for any special indirect incidental or consequential damage or loss whatsoever incl...

Страница 141: ...PMENT WHILE IT IS ENERGIZED DEATH OR SEVERE PERSONAL INJURY CAN RESULT FROM CONTACT WITH ENERGIZED EQUIP MENT ALWAYS VERIFY THAT NO VOLTAGE IS PRESENT BEFORE PROCEEDING WITH THE TASK AND ALWAYS FOLLOW GENERALLY ACCEPTED SAFETY PROCEDURES CUTLER HAMMER IS NOT LIABLE FOR THE MISAPPLICATION OR MISINSTAL LATION OF ITS PRODUCTS It is strongly urged that the user observe all recommen dations warnings an...

Страница 142: ... 3 2 4 2 5 2 6 I L 29 8858 Note RMS Digitrip Type Ll LS and LSI trip units can be applied on 3 pole or 4 pole circuit breakers for protection of the neutral circuit IFthe circuit breaker is wired and MARKED forNEUTRAL PROTECTION Refer to the National Electric Code for appropriate application of 4 pole breakers 1 2 Information Light Emitting Diodes LED s on the face of the trip unit light Red to in...

Страница 143: ...otection LI Fig 2 2 Long Time Short Time Protection LS Effective May 1 997 Fig 2 3 Long Time Short Time Instantaneous Protection LSI Page 3 Fig 2 4 Long Time Instantaneous Ground Protection LIG w w w E l e c t r i c a l P a r t M a n u a l s c o m ...

Страница 144: ...ime Instantaneous Ground Protection LSIG The Digitrip RMS 51 0 Trip unit provides three basic func tions Protection Information and Testing A typical trip unit and rating plug are illustrated in Fig 1 Individual product instruction leaflets referenced in Section 9 0 illus trate typical Digitrip RMS Trip Units installed in specific breakers The trip unit employs the Cutler Hammer Inc custom designe...

Страница 145: ...tely 1 0 of the frame current sensor rating the green LED will flash On and Off once each second to indicate the trip unit is energized and operating properly Note If the LED is steadily GREEN i e not flash ing the trip unit is not ready Effective May 1 997 3 4 DIScriminator Making Current Release For Types LS and LSG trip units only When the Digitrip RMS 51 0 Trip Unit is not equipped with an adj...

Страница 146: ...ream breaker s trip unit to the input terminals of the upstream breaker s trip unit For specific instructions see the applicable connection dia grams for your breaker listed in Section 9 0 I L 29 8858 Note If a breaker M receives a Zone Interlocking signal from another breaker F but the fault current level is less than the trip unit setting for breaker M the signal from the other breaker F will no...

Страница 147: ...ly earlier than the Long Delay Time Setting When the load current returns to normal the LTM begins to reset and after about 1 0 minutes it has reset fully so that next Long Delay trip time will again be the Set ting value In certain applications it may be desirable to dis able the LTM function The LTM function can be disabled by first opening the breaker and then removing the Rating Plug See Figur...

Страница 148: ...n eight 8 times 1 the Long Delay Setting For currents greater than 8 times 1 the 12t response reverts to the flat response Note See also Section 3 6 Zone Interlocking above 4 6 Instantaneous Current Setting There are eight 8 available Instantaneous Current Set tings as illustrated in Fig 4 5 Six settings are in the range from 2 to 6 times In the rating plug value and the I L 29 8858 other two sett...

Страница 149: ...300 400 a LU 600 150 1BO 210 240 300 360 450 600 c 630 1 5B 1B9 221 252 31 5 37B 473 630 s BOO 200 240 2BO 320 400 4BO 600 BOO 1 000 250 300 350 400 500 600 750 1 000 1 J 1 200 300 360 420 480 600 720 900 1 200 c 1 250 312 375 43B 500 625 750 93B 1 200 z 1 600 400 4BO 560 640 BOO 960 1 200 1 200 a 2000 500 600 700 BOO 1 000 1200 1 200 1 200 Cl 2400 600 720 B40 960 1200 1 200 1 200 1200 LU J 1 200 ...

Страница 150: ... Unit Required following all automatic trip and test operations Push then release Test button to test Test operation begins with release of pushbutton Fig 5 Integral T est Panel Lower Right Corner of T rip Unit A CAUTION TESTING A CIRCUIT BREAKER UNDER TRIP CON DITIONS WHILE IT IS IN SERVICE AND CARRYING LOAD CURRENT WHETHER DONE BY INTERNAL OR EXTERNAL MEANS IS NOT RECOMMENDED ANY TRIPPING OPERAT...

Страница 151: ... 1 0 of the breaker frame or current sensor rating be sure the GREEN Unit Status LED in the lower right corner of the trip unit See Figs 1 and 5 is blinking on and off indicating that there is enough current flowing to pro vide the power necessary to operate the trip unit In the event the Unit Status LED is either lighted GREEN or OFF continuously there is NOT enough cur rent flowing to power the ...

Страница 152: ...wing make sure the circuit breaker is carrying no more than 50 of the Long Delay Current Setting 1 The I L 29 8858 trip unit will not execute your instructions to Test itself when the load current exceeds 50 of lr 2 Place the Test Amps selector switch See Fig 5 in one of the two Trip test settings i e 6T or GFT 3 Depress the black Test pushbutton See Fig 5 and release it the test is initiated when...

Страница 153: ...Battery Check Pushbuttor T ypical Rating Plug Values for Short Delay S 1 and S2 Instantaneous M1 and M2 Settings Battery OK if LED Lights GREEN when Battery Check Button Pushed Trip Unit Connector Fits into Keyed Cavity Page 13 obtained from the following companies under their type designation indicated Company Model Varta Batteries Inc 1 50 Clarbrook Road Elmsford N Y 1 0523 Duracell South Broadw...

Страница 154: ...rcuit breaker can carry with the specified current sensors installed The Sensor Rat ing can be the same or less than the Frame Rating but not greater The Rating Plug See Fig 6 fits into a special cavity to complete the trip unit See Fig 1 Rating plugs have two current ratings listed on their covers See Fig 6 1 the Must be used with Frame Rated cur I L 29 8858 rent value or Sensor Rated if applica ...

Страница 155: ...Breaker APPENDIX A ZONE INTERLOCKING Assume a ground fault of 2000 Amperes occurs and refer to Fig A 1 CASE 1 There is no Zone Selective Interlocking standard time delay coordination is used Fault 3 The branch breaker will trip clearing the fault in 0 1 s Fault 2 The feeder breaker will trip clearing the fault in 0 3 s Fault 1 The breaker will trip clearing the fault in 0 5 s CASE 2 There is Zone ...

Страница 156: ...maximum distance between first and last zone is 250 feet 1 1 0 m A3 A Maximum of 20 breakers may be con nected in parallel in one Zone Legend Common Ungrounded Short Delay Output Signal to Higher Level Zone Short Delay I nput Signal from Lower Level Zone Ground Output Signal to Higher Level Zone Ground I nput Signal from Lower Level Zone eault at Location 2 2 0 5 Sec F21 F22 F23 0 1 Sec 0 1 Sec 0 ...

Страница 157: ...I L 29 8858 Page 17 NOTES Effective May 1 997 w w w E l e c t r i c a l P a r t M a n u a l s c o m ...

Страница 158: ...Page 1 8 I L 29 8858 NOTES Effective May 1997 w w w E l e c t r i c a l P a r t M a n u a l s c o m ...

Страница 159: ...I L 29 8858 Page 1 9 NOTES Effective May 1 997 w w w E l e c t r i c a l P a r t M a n u a l s c o m ...

Страница 160: ...SE OR MERCHANTABILITY OR WARRANTIES ARISING FROM COURSE OF DEALING OR USAGE OF TRADE ARE MADE REGARDING THE INFORMATION RECOMM ENDATIONS AND DESCRIPTIONS CONTAINED HEREIN In no event will Cutler Hammer Inc be responsible to the purchaser or user in contract in tort including negligence strict liability or otherwise for any special indirect incidental or consequential damage or loss whatsoever incl...

Страница 161: ...IPMENT WHILE IT IS ENERGIZED DEATH OR SEVERE PERSONAL INJURY CAN RESULT FROM CONTACT WITH ENERGIZED EQUIP MENT ALWAYS VERIFY THAT NO VOLTAGE IS PRESENT BEFORE PROCEEDING WITH THE TASK AND ALWAYS FOLLOW GENERALLY ACCEPTED SAFETY PROCEDURES CUTLER HAMMER IS NOT LIABLE FOR THE MISAPPLICATION OR MISINSTAL LATION OF ITS PRODUCTS It is strongly urged that the user observe all recommen dations warnings a...

Страница 162: ... 3 2 4 2 5 2 6 I L 29 8858 Note RMS Digitrip Type Ll LS and LSI trip units can be applied on 3 pole or 4 pole circuit breakers for protection of the neutral circuit IF the circuit breaker is wired and MARKED for NEUTRAL PROTECTION Refer to the National Electric Code for appropriate application of 4 pole breakers 1 2 Information Light Emitting Diodes LED s on the face of the trip unit light Red to ...

Страница 163: ...rotection LI Fig 2 2 Long Time Short Time Protection LS Effective May 1997 Fig 2 3 Long Time Short Time Instantaneous Protection LSI Page 3 Fig 2 4 Long Time Instantaneous Ground Protection LIG w w w E l e c t r i c a l P a r t M a n u a l s c o m ...

Страница 164: ...Time Instantaneous Ground Protection LS G The Digitrip RMS 51 0 Trip unit provides three basic func tions Protection Information and Testing A typical trip unit and rating plug are illustrated in Fig 1 Individual product instruction leaflets referenced in Section 9 0 illus trate typical Digitrip RMS Trip Units installed in specific breakers The trip unit employs the Cutler Hammer Inc custom design...

Страница 165: ...ll flash On and Off once each second to indicate the trip unit is energized and operating properly Note If the LED is steadily GREEN i e not flash ing the trip unit is not ready Effective May 1997 3 3 Test Provisions See Section 5 0 3 4 DIScriminator Making Current Release For Types LS and LSG trip units only When the Digitrip RMS 51 0 Trip Unit is not equipped with an adjustable instantaneous pro...

Страница 166: ...stream breaker s trip unit to the input terminals of the upstream breaker s trip unit For specific instructions see the applicable connection dia grams for your breaker listed in Section 9 0 I L 29 8858 Note If a breaker M receives a Zone Interlocking signal from another breaker F but the fault current level is less than the trip unit setting for breaker M the signal from the other breaker F will ...

Страница 167: ... progressively earlier than the Long Delay Time Setting When the load current returns to normal the LTM begins to reset and after about 1 0 minutes it has reset fully so that next Long Delay trip time will again be the Set ting value In certain applications it may be desirable to dis able the LTM function The LTM function can be disabled by first opening the breaker and then removing the Rating Pl...

Страница 168: ...an eight 8 times 1 the Long Delay Setting For currents greater than 8 times 1 the 12t response reverts to the flat response Note See also Section 3 6 Zone Interlocking above 4 6 Instantaneous Current Setting There are eight 8 available Instantaneous Current Set tings as illustrated in Fig 4 5 Six settings are in the range from 2 to 6 times In the rating plug value and the I L 29 8858 other two set...

Страница 169: ... 1 50 1 BO 210 w 240 300 360 450 600 c 630 1 5B 1 B9 221 252 31 5 37B 473 630 5 BOO 200 240 2BO 320 400 480 600 BOO C l 1 000 250 300 350 400 500 600 750 1 000 J 1 200 300 360 420 480 600 720 900 1 200 c C l 1 250 312 375 43B 500 625 750 93B 1 200 z 1 600 400 4BO 560 640 BOO 960 1 200 1 200 a 2000 500 600 700 BOO 1 000 1 200 1 200 1 200 0 2400 600 720 B40 960 1 200 1 200 1 200 1 200 w 2500 625 750...

Страница 170: ...owing all automatic trip and test operations Push then release Test button to test Test operation begins with release of pushbutton Fig 5 Integral T est Panel Lower Right Corner of T rip Unit A CAUTION TESTING A CIRCUIT BREAKER UNDER TRIP CON DITIONS WHILE IT IS IN SERVICE AND CARRYING LOAD CURRENT WHETHER DONE BY INTERNAL OR EXTERNAL MEANS IS NOT RECOMMENDED ANY TRIPPING OPERATION WILL CAUSE DISR...

Страница 171: ...n 1 0 of the breaker frame or current sensor rating be sure the GR EEN Unit Status LED in the lower right corner of the trip unit See Figs 1 and 5 is blinking on and off indicating that there is enough current flowing to pro vide the power necessary to operate the trip unit In the event the Unit Status LED is either lighted GREEN or OFF continuously there is NOT enough cur rent flowing to power th...

Страница 172: ...ing make sure the circuit breaker is carrying no more than 50 of the Long Delay Current Setting 1 The I L 29 8858 trip unit will not execute your instructions to Test itself when the load current exceeds 50 of lr 2 Place the Test Amps selector switch See Fig 5 in one of the two Trip test settings i e 6T or GFT 3 Depress the black Test pushbutton See Fig 5 and release it the test is initiated when ...

Страница 173: ...d Pushbuttor 1 Fig 6 T ypical Rating Plug Values for Short Delay Sl and S2 Instantaneous M 1 and M2 Settings Battery OK if LED L19hts GREEN when Battery Check Bulton IS Pushed Trip Unit Connector Fits into Keyed Cavity Page 13 obtained from the following companies under their type designation indicated Company Varta Batteries Inc 1 50 Clarbrook Road Elmsford N Y 1 0523 Duracell South Broadway Tarr...

Страница 174: ...rcuit breaker can carry with the specified current sensors installed The Sensor Rat ing can be the same or less than the Frame Rating but not greater The Rating Plug See Fig 6 fits into a special cavity to complete the trip unit See Fig 1 Rating plugs have two current ratings listed on their covers See Fig 6 1 the Must be used with Frame Rated cur I L 29 8858 rent value or Sensor Rated if applica ...

Страница 175: ...t Breaker APPENDIX A ZONE INTERLOCKING Assume a ground fault of 2000 Amperes occurs and refer to Fig A 1 CASE 1 There is no Zone Selective Interlocking standard time delay coordination is used Fault 3 The branch breaker will trip clearing the fault in 0 1 s Fault 2 The feeder breaker will trip clearing the fault in 0 3 s Fault 1 The breaker will trip clearing the fault in 0 5 s CASE 2 There is Zon...

Страница 176: ...2 The maximum distance between first and last zone is 250 feet 1 1 0 m A3 A Maximum of 20 breakers may be con nected in parallel in one Zone Legend Common U ngrounded Short Delay Output Signal to Higher Level Zone Short Delay I nput Signal from Lower Level Zone Ground Output Signal to Higher Level Zone Ground I nput Signal from Lower Level Zone ault at Location 2 2 0 5 Sec 0 1 Sec 0 1 Sec 0 1 Sec ...

Страница 177: ...I L 29 8858 Page 17 NOTES Effective May 1 997 w w w E l e c t r i c a l P a r t M a n u a l s c o m ...

Страница 178: ...Page 1 8 I L 29 8858 NOTES Effective May 1 997 w w w E l e c t r i c a l P a r t M a n u a l s c o m ...

Страница 179: ...I L 29 8858 Page 1 9 NOTES Effective May 1 997 w w w E l e c t r i c a l P a r t M a n u a l s c o m ...

Страница 180: ...OSE OR MERCHANTABILITY OR WARRANTIES ARISING FROM COURSE OF DEALING OR USAGE OF TRADE ARE MADE REGARDING THE INFORMATION RECOMMENDATIONS AND DESCRIPTIONS CONTAINED HEREIN In no event will Cutler Hammer Inc be responsible to the purchaser or user in contract in tort including negligence strict liability or otherwise for any special indirect incidental or consequential damage or loss whatsoever incl...

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