beautypg.com

3 trolley with remote racking – GE Industrial Solutions DC OEM Module For use with Gerapid DC Circuit Breaker User Manual

Page 19

background image

DC OEM MODULE FOR USE WITH GERAPID CIRCUIT BREAKERS

Chapter 7 Operating the Module

2011-04-26 S47183Ee rev.01

Design and specifications are subject to change without notice

19

Fig. 72-3 Door locks positions

4. Insert Crank Handle into the Access Console slot, Fig. 72-4

and rotate the crank clockwise until trolley reaches
CONNECTED position.

NOTE:

CONNECTED position is indicated by Position

Indicator, (Fig. 71-3) or by contacts of the switch 33-5.


5. Remove the Crank Handle. Push down the Trip Lever,

(Fig. 71-4), to make sure that both levers of the Access
Console are in their maximum lower positions.

NOTE: If the Access Lever is not at its maximum lower
position, closing of the breaker will not be possible.

Fig. 72-4 Crank Handle installed

Rack-Out Procedure

NOTE: Crank Handle is necessary for racking operations.
Crank Handle has to be ordered separately.


1. Trolley CONNECTED. Open the breaker either using OPEN

command or pulling up the Trip Lever (Fig. 71-4).

2. Lift up the Access Lever (Fig. 71-4) and insert Crank

Handle. Rotate the crank counterclockwise until trolley
stops. Breaker is now at TEST position.

NOTE: TEST position is indicated by Position Indicator,
(Fig. 71-3) or by contacts of the switch 33-4 (Fig. 71-9).


3. Open the trolley’s door and disconnect the Secondary

Disconnect. Hang it on the frame to the right (Fig. 71-7).
Now the trolley is at the DISCONNECTED position.

NOTE: Use the Door Key to open all Door Locks and
release Door Interlock. See Fig. 72-3.


4. Remove the crank. Lift up the Access Lever (Fig. 71-4) and

pull the trolley out from the module.

7.3 Trolley with Remote Racking

Operational positions.

The trolley has distinguished four operational positions:






Fig. 73-1 CONNECTED position for the remote racking

trolley

Lift to release

Door Locks

Door Key

Door Interlock

Secondary Disconnect

Primary Disconnects

Position Interlock