GE Industrial Solutions EntelliGuard G Back Connected Terminations for Fixed Envelope 2 3000A UL - Manual

Back Connected Terminations
Fixed Envelope 2 3000A UL
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 mounting
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 outer bottom & top Back
Connected Terminations assemblies first 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 heat sinks LH & RH on the outer
poles first, and tightened them with M6
hardware’s to 8Nm (5.9 ft-lbs) torque as shown in
fig B.
5. Repeat the above mounting procedure for the
adjacent poles.
6. Assemble remaining terminal assemblies similarly
on all poles so as to populate as 3pole / 4 pole
breaker fig C & D.
7. The bus bars to be supported within 200mm
distance and tightened to 80Nm (59 ft-lbs) torque
Envelope Size Catalog # TYPE
GBB230TBB3 3 pole Envelope2
GBB230TBB4 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- 41439 Installation Instructions
M12 Hardware
M12 Spring
washer
M12 Plain
washer
Terminal
Assembly
Nut plate
M12 Hardware
M12 Spring
washer
M12 Plain
washer
Terminal
Assembly
Nut plate
Fig A. Back Connected Terminations assembly
for 3000 Amperes (UL)
Table 1. Back Connected Terminations
Catalog numbers
1