GE Industrial Solutions EntelliGuard G Back Connected Terminations Fixed Envelope 3 User Manual
Back Connected Terminations
Fixed Envelope 3 , 6000A
Terminal assemblies are supplied with the
Entelliguard breaker. Fixed breakers have Back or
Front Connected Terminations available. This
instruction is for Back Connected Terminations
M12 hardware
M12 hardware
M12 Spring
M12 Spring
washer
washer
M12 Plain
M12 Plain
washer
washer
Nut plate
Nut plate
Fig A. Back Connected Terminations, Envelope 3 6000A
fixed
Table 1. Back Connected Terminations
Catalog numbers
Envelope
Size
Catalog #
GBB360TBB3
Envelope 3
GBB360BBB3 Bottom side 3 pole
GBB360TBB4 Top side 4 pole
GBB360BBB4 Bottom side 4 pole
Description
Top side
Top
Top
terminal
terminal
Asm
Asm
Bottom
Bottom
terminal
terminal
Asm
Asm
TYPE
3 pole
DEH-41445 Installation Instructions
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
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 OFFON indicator shows OFF on a green background and
that the charge indicator shows DISCHARGE on a
white background.
2. Assemble the outer pole bottom & top Back
Connected Termination assemblies first to the breaker
rear terminal support & orient 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 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.
1
Top Heat sink RH
Top Heat sink LH
Top Heat sink LH
(with tapping)
(with tapping)
Top Heat sink RH
(with Clearance hole)
(with Clearance hole)
M8 Heat sink
M8 Heat sink
Mtg hardware
Mtg hardware
Bottom Heat sink LH
Bottom Heat sink RH
Bottom Heat sink RH
(with Clearance hole)
(with Clearance hole)
Fig B. Heat sink mounting to terminal assembly
Bottom Heat sink LH
(with tapping)
(with tapping)
Fig E. Envelope 3, fixed type, Side view
Fig C. Envelope 3, fixed type, 3 Pole
Assembly
Fig D. Envelope 3, fixed type, 4 Pole Assembly
2
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