GE Industrial Solutions EntelliGuard G Flat front Terminations Envelope 3 (Up to 6400A) - Manual

Flat front Terminations
Envelope 3 (Up to 6400A)
Terminal assemblies are supplied with the
Entelliguard breaker.
Fig B. Heat Sink Assembly
Catalogue No:
EntelliGuard ® G Circuit Breaker
Accessories
Flat Front Terminations for Fixed
Breaker
WARNING: Before installing any accessories, turn the
breaker OFF, disconnect it from all voltage sources,
and discharge the closing spings.
Flat Front Terminations Assembly 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 Flat Front to the rear terminals with
M12 Hardware as shown in Fig A., Tighten the
hardware to torque 50N-m (36.9 ft-lbs)
3. Assemble the Heat Sink with M8 Hardware to Flat
Front as shown in Fig B. Tighten to torque 12-
14N-m (8.9-10.3 ft-lbs)
4. Similarly populate the Flat Front and Heat sink on
all other terminals as shown in fig B & C.
5. The bus bars to be supported within 200mm
distance and tightened to 50Nm (36.9 ft-lbs)
torque.
Catalog # Description
GBB3TBF3 Envelope 3-3pole 4000-6000A
GBB3TBF4 Envelope 3-4pole 4000-6000A
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-41463 Installation Instructions
Fig A. Flat front Termination
1