GE Industrial Solutions EntelliGuard G Back Connected Terminations for Cassette Envelope 3 - Manual

Back Connected Terminations
Cassette Envelope 3
Terminal assemblies are supplied with the
Entelliguard breaker.
Back Connected 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. If installing
in a draw-out type breaker remove breaker from
cassette before continuing.
2. Assemble the outer pole bottom & top Back
Connected Termination assemblies first to the
cassette back terminal support as shown in Fig A.
3. Terminal assemblies to be tightened with M10
hardware’s as shown in Fig A, to 40 Nm (29.5 ft-
lbs) torque.
4. Assemble the heat sinks LH & RH as shown in Fig
B on the outer poles first, and tightened them to
14 Nm (10.3 ft-lbs) torque.
5. Repeat the above mounting procedure for
remaining adjacent poles.
6. Assemble remaining terminal assemblies similarly
on all the poles so as to populate as 3pole / 4 pole
breaker fig C & Fig D.
7. The bus bars to be supported within 200mm
distance and tightened to 80Nm (59 ft-lbs) torque
Envelope Size Catalog # Description TYPE
GBB360TBC3 Top side 3 pole
GBB360BBC3 Bottom side 3 pole
GBB360TBC4 Top side 4 pole
Envelope 3
GBB360BBC4 Bottom side 4 pole
EntelliGuard ® G Circuit Breaker
Accessories
Back Connected Terminations for
Cassette
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-41437 Installation Instructions
Top
terminal
Asm
Bottom
terminal
Asm
M10 Plain
washer
M10 spring
washer
M10 hardware
40 Nm Torque
Top
terminal
Asm
Bottom
terminal
Asm
M10 Plain
washer
M10 spring
washer
M10 hardware
40 Nm Torque
Fig A. Back Connected Terminations
Table 1. Back Connected Terminations
Catalog numbers
1