Chapter 7. operating the switchgear, Chapter 8. energizing the switchgear, Chapter 9. maintaining the switchgear – GE Industrial Solutions Entellisys Installation User Manual

Page 5: Appendices

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Entellisys Low Voltage Switchgear

Table of Contents

Chapter 7. Operating the Switchgear

7-1 Circuit Breaker Operation ................. 53

General......................................... 53

Manually Operated Breakers ..... 53

Closing Manually Operated

EntelliGuard Circuit Breakers . 53

Opening Manually Operated

EntelliGuard Circuit Breakers . 53

Electrically Operated Breakers .. 53

Electrically Opening EntelliGuard

Breakers....................................... 53

7-2 Circuit Breaker Drawout Operation.. 53

Breaker Positions ........................ 53

Drawout Operation...................... 54

7-3 Front Doors ......................................... 54

Operation ..................................... 54

Removal and Installation............ 54

Door Removal........................... 54

Door Installation...................... 54

7-4 Entellisys Switchgear Accessories ..... 55

Future Circuit Breaker

Compartments ............................. 55

Circuit Breaker Key Interlock .... 55

General ..................................... 55

Key Interlock Operation Check55

Test and Disconnect Padlock

Device........................................... 55

General ..................................... 55

Padlocking the EG-08/16/20

Breakers ................................... 56

Padlocking the EG-32/40/50

Breakers & EG-32/40/50 FRE . 56

Padlocking the EG-08/16/20,

EG-32/40/50 & EG-32/40/50

FRE Compartments ................. 56

Installing and Removing

Current Transformers ............. 56

Removing Shutter Units ............. 57

Removing a EG-08/16/20

Shutter Unit............................. 58

Removing a EG-32/40/50 or

Fuse Rollout Shutter Unit....... 58

Installing a Shutter Unit ............ 59

Installing a EG-08/16/20

Shutter Unit............................. 59

Installing a EG-32/40/50 Fuse

Rollout Shutter Unit................ 59

Chapter 8. Energizing the Switchgear

8-1 Before Energizing ............................... 60

8-2 Energizing Procedures ....................... 60








Chapter 9. Maintaining the Switchgear

9-1 Maintenance Requirements............... 61

General ........................................ 61

9-2 Breaker and Instrument

Compartments.................................... 61

Breakers ...................................... 61

Test for Proper Operation ....... 61

Checks after Breaker is De-

energized .................................. 61

Lubrication............................... 62

Entellisys Instrumentation and

Instrument Transformers ....... 62

Breaker Compartment Interiors 62

9-3 Bus Area ............................................. 62

9-4 Cable and Busway Compartment...... 62

9-5 Overall Switchgear............................. 63

9-6 Paint Refinishing ............................... 63

9-7 Circuit Breaker Lifting Mechanism .. 63

Appendices

A.

Torque Values..................................... 65

B.

Circuit Breaker Rejection Features... 66

C.

Circuit Breaker Ratings..................... 70

D. Circuit Breaker Accessory Devices.... 71

E.

Circuit Breaker Weights .................... 73

F. Circuit Breaker Repetitive Duty

Data..................................................... 73

G. Fuses for EGF-08/16 and FRE

Elements ............................................. 74






These instructions do not purport to cover all details or

variations in equipment or to provide for every possible

contingency to be met in connection with installation,

operation or maintenance. Should further information be

desired or should particular problems arise which are not

covered sufficiently for the Purchaser's purposes, the

matter should be referred to the General Electric

Company. These instructions are intended for use by

qualified personnel only.

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