GE Industrial Solutions EntelliGuard E Circuit Breaker User Manual
Page 4
EntelliGuard® E Circuit Breaker
DEH-41526
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©2012 General Electric All Rights Reserved
CONDITIONS WHEN Closing cannot occur .................................................................................................................................................................... 17
CIRCUIT BREAKER OPENING Procedure ........................................................................................................................................................................... 17
Table 4.2. Cassette Operating Positions ..................................................................................................................................................................... 17
SECTION 5 – LOCKS AND INTERLOCKS .................................................................................................................................................................................. 18
GENERAL INFORMATION ......................................................................................................................................................................................................... 18
CIRCUIT BREAKER FRONT PANEL LOCKING .................................................................................................................................................................... 18
Padlock or Scissor Lock for Breaker Trip Free Condition .................................................................................................................................... 18
DRAWOUT CASSETTE FRONT PANEL LOCKING ............................................................................................................................................................. 18
Security Locking ..................................................................................................................................................................................................................... 18
Isolation Shutters Locking (If Installed) ....................................................................................................................................................................... 18
Table 5.1. Drawout Circuit Breaker Locking.............................................................................................................................................................. 19
SECTION 6 – ACCESSORIES DESCRIPTION ............................................................................................................................................................................ 20
GENERAL INFORMATION ......................................................................................................................................................................................................... 20
INDIVIDUAL ACCESSORIES ..................................................................................................................................................................................................... 20
Motorized Spring Charging Unit ..................................................................................................................................................................................... 20
Circuit Breaker Closing Coil .............................................................................................................................................................................................. 20
Shunt Trip (ST) ......................................................................................................................................................................................................................... 20
Remote Operation Coil Combination ........................................................................................................................................................................... 20
Auxiliary Switches ................................................................................................................................................................................................................. 21
Circuit Breaker - Key Interlock Facility ........................................................................................................................................................................ 21
Carriage Position Switch (TOC) ........................................................................................................................................................................................ 21
Bell Alarm with Lockout ..................................................................................................................................................................................................... 21
Charging Spring Status Indicator .................................................................................................................................................................................. 21
Secondary Disconnects (Factory-installed/Field Installable) ............................................................................................................................ 21
Cassette/Substructure ........................................................................................................................................................................................................ 22
Position Indicators ................................................................................................................................................................................................................ 22
Rejection Device .................................................................................................................................................................................................................... 22
SECTION 7 – ACCESSORIES INSTALLATION .......................................................................................................................................................................... 23
CIRCUIT BREAKER FRONT COVER REMOVAL .................................................................................................................................................................. 23
MOTOR OPERATOR - SPRING CHARGING UNIT INSTALLATION ............................................................................................................................. 23
NETWORK INTERLOCK, SHUNT TRIP AND CLOSING COIL DEVICE INSTALLATION ........................................................................................ 24
Shunt Trip & Closing Coil Installation (Fig. 7.4) ......................................................................................................................................................... 24
Closing Coil Removal ........................................................................................................................................................................................................... 24
NETWORK INTERLOCK INSTALLATION .............................................................................................................................................................................. 24
Bell Alarm Switch Installation ............................................................................................................................................................................................... 24
SHUTTER PROP OPEN FEATURE ........................................................................................................................................................................................... 24
CARRIAGE POSITION SWITCH INSTALLATION ................................................................................................................................................................ 24
CLUSTERS (Primary Disconnect Fingers) ......................................................................................................................................................................... 25
MECHANICAL Bell ALARM contact INSTALLATION ...................................................................................................................................................... 25