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I.L.  29-8858 

Note:  The battery can be replaced at any time,  even 
while the circuit breaker is in service,  without affect­
ing the operation of the circuit breaker or its protec­
tion function. 

CAUTION 

CARE SHOULD BE EXERCISED WHEN REPLACING 
A BATTERY TO INSURE THAT THE CORRECT 
POLARITIES ARE OBSERVED. POLARITY MARK­
INGS ARE SHOWN ON THE RATING  PLUG  WHEN 
THE HINGED COVER IS OPEN AS INDICATED IN 
FIG.S. 

The replacement battery should be the same type or 

equivalent. Acceptable 

3.0 

volt lithium batteries may be 

Fig. 6 

Typical Rating Plug 

Page  13 

obtained from the following companies under their type 

designation indicated: 

Company 

Model 

Varta Batteries,  Inc. 

15 0 

Clarbrook Road 

Elmsford, 

N.Y.  105 23 

Duracell 
South Broadway 
Tarrytown, 

N.Y.  105 91 

(914 )  5 91-7000 

Sanyo Electric  Inc. 
Battery Division 

200 

Riser Road 

Little Ferry, 

N.J.  0764 3 

CR 

1/3 N  

DL 

1/3 N  

CR 

1/3 N  

Fig. 7 

Auxiliary Power Module 

Effective  May  1997 

www 

. ElectricalPartManuals 

. com

Содержание Digitrip RMS 510 LI

Страница 1: ...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 ACCE...

Страница 2: ...S Digitrip Type LI 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 PRO TECTION Re...

Страница 3: ...rotection U 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 UG w w w E...

Страница 4: ...me Instantaneous Ground Protection LS G The Digitrip RMS 510 Trip unit provides three basic func tions Protection Information and Testing A typical trip unit and rating plug are illustrated in Fig 1 I...

Страница 5: ...through the circuit breaker exceeds approximately 10 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 prope...

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 29 885...

Страница 7: ...the breaker to trip in a time 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...

Страница 8: ...ght 8 times Ir the Long Delay Setting For currents greater than 8 times Ir the 12t response reverts to the flat response Note See also Section 3 6 Zone Interlocking above 4 6 Instantaneous Current Set...

Страница 9: ...60 200 240 300 400 UJ 0 600 150 180 210 240 300 360 450 600 UJ a 630 158 189 221 252 315 378 473 630 2 800 200 240 280 320 400 480 600 800 9 1000 250 300 350 400 500 600 750 1000 J 1200 300 360 420 48...

Страница 10: ...it 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 Test Panel Lower Right Corner of Trip...

Страница 11: ...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 indi cating that there is enough cu...

Страница 12: ...g make sure the circuit breaker is carrying no more than 50 of the Long Delay Current Setting fr The I L 29 8858 trip unit will not execute your instructions to Test itself when the load current excee...

Страница 13: ...attery should be the same type or equivalent Acceptable 3 0 volt lithium batteries may be Fig 6 Typical Rating Plug Trip Unit Connector F u InII Keyed Cavity Page 13 obtained from the following compan...

Страница 14: ...t 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 t...

Страница 15: ...er 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 br...

Страница 16: ...D any Zone Interlock Wiring The maximum distance between first and last zone is 250 feet 1 1 0 m A Maximum of 20 breakers may be con nected in parallel in one Zone F22 C SO SI 0 1 Sec Legend C Common...

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 18 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 19: ...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 20: ...SE 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...

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