GE Industrial Solutions EntelliGuard E Circuit Breaker - Manual (Page 24)

EntelliGuard® E Circuit Breaker DEH-41526
24 ©2012 General Electric All Rights Reserved
NETWORK INTERLOCK, SHUNT TRIP AND CLOSING COIL
DEVICE INSTALLATION
NOTICE
The mounting positions of the three devices can be
arranged in the locations as specified in Figure 7.3.
Figure 7.3. Device Location
Coil Position on Fascia
1&2 3 4
Network Interlock closing coil shunt
Shunt Trip & Closing Coil Installation (Fig. 7.4)
1. Tilt the device forward and engage the front hooks into
the top support plate.
2. Tilt the device backwards until the rear hooks engage
in the slots
3. Press down into position.
Figure 7.4. Closing Coil Installation
Connect the wire plugs (Fig. 7.5) according to the wiring
schematic in Section 3.
Figure 7.5. Wiring
Closing Coil Removal
1. Disconnect the device and pull it forward until the rear
hooks disengage.
2. Lift to release the front hooks.
NETWORK INTERLOCK INSTALLATION
When the network interlock is used with the EntelliGuard E,
it will use the 1 and 2 positions of the coils as shown in Fig.
7.3. The mounting procedure is same as the shunt trip and
closing coil.
BELL ALARM SWITCH INSTALLATION
1. Remove the trip unit from the PMU base.
2. Assemble the bell alarm assembly using four screws.
3. Reassemble the trip unit back onto the PMU base
4. Install the connector from the bell alarm in the specified
location of the SD.
SHUTTER PROP OPEN FEATURE
This feature allows the main primary contacts to be
inspected.
DANGER
ELECTROCUTION
Ensure the primary contacts on the swictchgear are de-
engergized prior to propping open the shutter.
Failure to comply with these instructions will result in
death or serious injury.
1. Remove the circuit breaker from its cassette.
2. Rotate the shutter operating lever to open the shutter
(Fig. 7.5).
3. Release the shutter operating lever to close the
shutters.
Figure 7.5. Shutter Operating Lever Location
A Shutter Operating Lever
CARRIAGE POSITION SWITCH INSTALLATION
One configuration is available:
Mounted on the left-hand side of the cassette for all frames.
No fasteners are required. To insert, feed the wires through
the large opening on the side of the cassette. Seat the
carriage position switch in the front side of the hole first.