35
Instructional Leaflet
IB2C12063H03
Effective March 2012
Instructions for Installation, Operation and
Maintenance of Magnum SB Insulated Case
Low Voltage Power Circuit Breakers
EATON CORPORATION
www.eaton.com
1. 3 WIRE CRIMP IF HIGH INST
. TRIP MODULE IS SUPPLIED.
2. ALL CONT
ACTS SHOWN WITH BREAKER IN OPEN POSITION AND WITH TRIP UNIT IN “NON-TRIPPED” ST
ATE (OTS SWITCHES)
AND SPRINGS NOT CHARGED. 3. THE SPRING RELEASE ACCESSORY CONSISTS OF A “SR” COIL AND A P
.C. BOARD. THE PRINTED CIRCUIT BOARD PROVIDES
A .20 SECOND PULSE FOR THE CLOSING OPERA
TION. VOL
TAGE MUST BE REMOVED AND THEN REAPPLIED FOR SUBSEQUENT
OPERA
TION. AN OPTIONAL LA
TCH CHECK SWITCH (LCS) ACCESSORY MA
Y BE CONNECTED TO THE SPRING RELEASE. THE
(CLOSED) LCS DELA
YS THE SPRING RELEASE PULSE UNTIL THE BREAKER MECHANISM IS READY TO CLOSE (CHARGED AND
RESET). (THIS WILL INSURE THA
T THE LA
TCH WILL AL
W
AYS BE IN THE PROPER ST
ATE BEFORE THE SPRING RELEASE PULSE IS
INITIA
TED). IF VOL
TAGE IS MAINT
AINED TO THE SPRING RELEASE, THE CLOSING PULSE WILL OCCUR WHEN THE MECHANISM
IS CHARGED AND RESET (LCS OPEN). VOL
TAGE MUST BE REMOVED AND REAPPLIED TO THE SPRING RELEASE FOR SUBSE
-
QUENT OPERA
TION.
4. TO PROVIDE SELECTED TIME DELA
YS FOR SHORT TIME AND/OR GROUND TIME FUNCTIONS FOR TESTING OR NON-ZONE
INTERLOCKING APPLICA
TIONS, A JUMPER FROM B-8 TO B-9 IS REQUIRED.
5. ON THREE POLE BREAKERS ONL
Y, HA
VING GROUND F
AUL
T FUNCTIONALITY
, A JUMPER INST
ALLED FROM B-6 TO B-7 WILL
ENABLE SOURCE GROUND F
AUL
T SENSING AND DISABLE RESIDUAL GROUND F
AUL
T SENSING. INPUTS B-4 AND B-5 WILL BE
REASSIGNED FOR SOURCE GROUND SENSOR INPUTS. 6. NORMALL
Y OPENED CONT
ACT PROGRAMMED AS RELA
Y A VIA DIGITRIP FRONT P
ANEL. (ALARM CONT
ACT). THIS CAN ALSO
BE ASSIGNED TO INDICA
TE MAINTENANCE MODE FEA
TURE IS IN USED.
7. NORMALL
Y CLOSED CONT
ACT PROGRAMMED AS RELA
Y B VIA DIGITRIP FRONT P
ANEL. (BLOCK CLOSE CONT
ACT)
8. NORMALL
Y OPEN CONT
ACT PROGRAMMED AS RELA
Y C VIA DIGITRIP FRONT P
ANEL. (LA
TCHING CONT
ACT)
9.THIS
LEAD
SUPPLIED
ON
G62
STYLE
HIGH
INST
ANT
ANEOUS
TRIP
MODULE
ONL
Y.
10. MOTOR OPERA
TOR SWITCH SHOWN WITH BREAKER CLOSING SPRING DISCHARGED.
11. ON 4-POLE BREAKERS, THE NEUTRAL CURRENT SENSOR IS THE SAME STYLE AND WIRED THE SAME AS THE PHASE SENSORS AND IS LOCA
TED WITHIN THE BREAKER FRAME. THE SECONDARY CONT
ACTS B-4, B-5, ARE NOT WIRED OUT
.
12. FOUR POINT SOCKET USED HERE. 13. SECOND SHUNT TRIP MA
Y BE INST
ALLED (USING A-7, A-8 CONT
ACTS) IN PLACE OF UVR. THIRD AUX SWITCH NOT A
VAILABLE
WITH SECOND SHUNT TRIP
.
14. ONL
Y ONE LA
TCH CHECK SWITCH MA
Y BE INST
ALLED. USE OF CUSTOMER ACCESSIBLE LA
TCH CHECK SWITCH (B-29, B-30) IN
SERIES WITH SPRING RELEASE DEFEA
TS ANTI-PUMP FUNCTION AND IS NOT RECOMMENDED. SEE NOTE 3 FOR SPRING RELEASE
LA
TCH CHECK SWITCH.
15. THE OTS (OVERCURRENT TRIP SWITCHES) WILL OPERA
TE DIRECTL
Y FROM THE DIGITRIP DRIVING THE T
A (TRIP ACTUA
TOR) TO
TRIP THE CIRCUIT BREAKER. THE OTS REQUIRES A MANUAL LOCAL RESET VIA RED BUTTON DEPRESSION. 16. FOR CIRCUIT BREAKERS BUIL
T AFTER JUL
Y 2006 AND DITRIP 1150 UNITS OF FIRMW
ARE REV 20decimal OR GREA
TER, THE
MAINTENANCE MODE FEA
TURE (ARMS) IS SUPPLIED. THE REVERSE POWER DESELECTION IS FRONT P
ANEL PROGRAMMABLE ONL
Y.
Figure 47. Connection Diagram for Standard SBSE Frame with Digitrip 1150