Cutler-Hammer Digitrip RMS 510 Instructions Manual Download Page 143

Page: 143 / 180

I.L. 29-8858

Fig. 2. 1

Long Time/Instantaneous Protection (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)

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Summary of Contents for Digitrip RMS 510

Page 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 ...

Page 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...

Page 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 ...

Page 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...

Page 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...

Page 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...

Page 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 ...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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 ...

Page 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...

Page 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...

Page 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 ...

Page 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...

Page 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 ...

Page 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 ...

Page 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 ...

Page 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...

Page 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...

Page 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...

Page 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 ...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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 ...

Page 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...

Page 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...

Page 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 ...

Page 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...

Page 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 ...

Page 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...

Page 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 ...

Page 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 ...

Page 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 ...

Page 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 ...

Page 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...

Page 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...

Page 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...

Page 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 ...

Page 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...

Page 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 ...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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 ...

Page 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 ...

Page 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...

Page 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...

Page 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...

Page 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 ...

Page 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 ...

Page 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 ...

Page 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...

Page 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...

Page 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...

Page 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 ...

Page 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...

Page 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...

Page 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 ...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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 ...

Page 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...

Page 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...

Page 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 ...

Page 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...

Page 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...

Page 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 ...

Page 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 ...

Page 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 ...

Page 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...

Page 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...

Page 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...

Page 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 ...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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 ...

Page 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...

Page 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...

Page 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...

Page 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 ...

Page 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 ...

Page 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 ...

Page 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...

Page 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 ...

Page 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...

Page 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 ...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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 ...

Page 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...

Page 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...

Page 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...

Page 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 ...

Page 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...

Page 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...

Page 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 ...

Page 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...

Page 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 ...

Page 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 ...

Page 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 ...

Page 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...

Page 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...

Page 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...

Page 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 ...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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 ...

Page 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 ...

Page 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 ...

Page 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 ...

Page 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 ...

Page 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...

Page 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...

Page 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...

Page 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 ...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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 ...

Page 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...

Page 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 ...

Page 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...

Page 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...

Page 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 ...

Page 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 ...

Page 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 ...

Page 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 ...

Page 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 ...

Page 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 ...

Page 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...

Page 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...

Page 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 ...

Page 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 ...

Page 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...

Page 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...

Page 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 ...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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 ...

Page 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...

Page 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 ...

Page 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...

Page 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 ...

Page 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 ...

Page 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 ...

Page 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 ...

Page 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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Cutler-Hammer Digitrip RMS 510, Instructions Manual

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