GE Industrial Solutions EntelliGuard G - Manual (Page 6)

EntelliGuard® G Circuit Breaker DEH-41304C
Table of Contents 13 March 2014
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Table 6.17. Bell Alarm Ratings (Common NO/NC Contact Configuration) ................................................................ 31
Charging Spring Status Indicator .............................................................................................................................................................. 32
Table 6.18. Spring Charged Contact (1 NO) ............................................................................................................................ 32
Secondary Disconnects (Factory-Installed/Field Installable) ..................................................................................................... 32
Table 6.19. Block Location ............................................................................................................................................................... 32
Table 6.20. Secondary Disconnect Parts .................................................................................................................................. 32
Ground Fault ........................................................................................................................................................................................................ 32
Table 6.21. Neutral Rogowski CTs ......................................................................................................................................... 32-33
Ready to Close Contact .................................................................................................................................................................................. 33
Table 6.22. Ready to Close Contacts (1NO) ............................................................................................................................. 33
Sealed Door Panel Escutcheon .................................................................................................................................................................. 33
Mechanical Operations Counter................................................................................................................................................................ 33
Table 6.23. Miscellaneous Accessories ..................................................................................................................................... 33
Cassette Substructure .................................................................................................................................................................................... 33
Position Indicators............................................................................................................................................................................................. 33
Rejection Device ................................................................................................................................................................................................. 33
Front Flat Terminations .................................................................................................................................................................................. 33
Table 6.24. Optional Front Flat Terminations ......................................................................................................................... 33
SECTION 7 – ACCESSORIES INSTALLATION
CIRCUIT BREAKER FRONT COVER REMOVAL ....................................................................................................................................................... 34
MOTOR OPERATOR – SPRING CHARGING UNIT INSTALLATION ................................................................................................................. 34
SHUNT TRIP, CLOSING COIL AND UNDER VOLTAGE RELEASE DEVICE INSTALLATION .................................................................. 35
Closing Coil Installation .................................................................................................................................................................................. 35
Closing Coil Removal ....................................................................................................................................................................................... 35
NETWORK INTERLOCK INSTALLATION .................................................................................................................................................................... 35
Trip Alarm/Bell Alarm Switch Installation ............................................................................................................................................. 35
Ready to Close Switch Installation ........................................................................................................................................................... 35
SHUTTER PROP OPEN FEATURE ................................................................................................................................................................................. 35
CARRIAGE POSITION SWITCH INSTALLATION ..................................................................................................................................................... 36
BUSBAR/CABLE GROUNDING (OPTIONAL) ............................................................................................................................................................ 36
CLUSTERS .............................................................................................................................................................................................................................. 36
Upper Cluster Contact Set Grounding .................................................................................................................................................... 37
Lower Cluster Contact Set Grounding .................................................................................................................................................... 37
MECHANICAL TRIP ALARM INSTALLATION ............................................................................................................................................................ 37
MECHANICAL OPERATIONS COUNTER INSTALLATION (OPTIONAL) ......................................................................................................... 38
REJECTION FEATURE ........................................................................................................................................................................................................ 38
SECTION 8 – MAINTENANCE, TESTING AND TROUBLESHOOTING
MAINTENANCE .................................................................................................................................................................................................................... 39
Inspection Schedule ......................................................................................................................................................................................... 39
Cleaning Procedure .......................................................................................................................................................................................... 39
Contact Wear Indicator Inspection (Optional) .................................................................................................................................... 39
Circuit Breaker Main Mechanism Inspection ...................................................................................................................................... 40
Cassette Inspection .......................................................................................................................................................................................... 40
Isolating Contacts (Drawout Type) Inspection ................................................................................................................................... 40
Power Terminals and Busbar Inspection .............................................................................................................................................. 40
Lubrication ............................................................................................................................................................................................................ 40
TRIP UNIT TESTING ............................................................................................................................................................................................................ 40
Trip Unit Testing .................................................................................................................................................................................................... 40
TROUBLESHOOTING ......................................................................................................................................................................................................... 41
PUBLICATIONS .................................................................................................................................................................................................................... 42