GE Industrial Solutions EntelliGuard G Back Connected Terminations for Fixed Breaker - Manual

Back Connected Terminations
Fixed Envelope 3 upto 4000A,
Terminal assemblies are supplied with the
Entelliguard breaker. Fixed breakers have Back or
Front Connected Terminations available. This
instruction is for Back Connected Terminations
Back Connected Terminations Assembly mtg
Procedure:
1. Turn the breaker off and discharge the closing
springs by depressing the OFF and ON buttons in
the sequence OFF-ON-OFF. Verify that the
breaker OFF-ON indicator shows OFF on a green
background and that the charge indicator shows
DISCHARGE on a white background.
2. Assemble the bottom & top Back Connected
Termination assemblies on to the breaker
terminals & orient them as shown in fig A.
3. Terminal assemblies to be tightened with M12
hardware’s as shown in fig A, to 80 Nm (59 ft-lbs)
torque.
4. Assemble the remaining termination assemblies
similarly on all the poles to populate 3 pole / 4
pole breaker fig B & fig C.
5. The bus bars to be supported within 200mm
distance and tightened to 50Nm (36.9 ft-lbs)
torque
Envelope Size Catalog # TYPE
GBB340TBB3 3 pole
Envelope 3
GBB340TBB4 4 pole
EntelliGuard ® G Circuit Breaker
Accessories
Back Connected Terminations for Fixed
Breaker
WARNING: Before installing any accessories, turn the
breaker OFF, disconnect it from all voltage sources,
and discharge the closing spings.
AVERTISSEMENT: Avant d’installer tout accessoire,
mettre le disjoncteur en position OFF, le déconnecter
de toute tension d’alimentation, et décharger les
resorts d’armement
DEH- 41444 Installation Instructions
Nut plate
M12 hardware
M12 Spring
washer
M12 Plain
washer
Terminal
assembly
Nut plate
M12 hardware
M12 Spring
washer
M12 Plain
washer
Terminal
assembly
Fig A. Back Connected Terminations for
4000 Amperes (ANSI / UL)
Table 1. Back Connected Terminations
Catalog numbers
1