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3RT1/3RH1 contactors

SIRIUS System Manual

3-38

GWA 4NEB 430 0999-02b

4-pole contactor combi-

nation for reversing

4-pole contactor combinations for reversing are available in frame sizes S0

and S2. You will require the following to mount these combinations:

• Frame size S0: locking device for mechanical interlock

• Frame size S2: locking device for mechanical interlock and 2 connecting

clips

The following table shows you how to set up the 4-pole contactor combina-

tion for reversing in frame size S0:

Figure 3-17: 4-pole contactor combination for reversing (frame size S0)

Drawing: frame size S0 Step Procedure

1/2

Remove the 4th pole from

one of the two contactors

by releasing the snap catch

(1)

3/4

Put the 4th pole on the

other side of the same con-

tactor by placing the cat-

ches on the pole into the

openings shown on the con-

tactor and snapping the pole

onto the contactor.

5/6

Mount the mechanical inter-

lock between the two con-

tactors

(5/6)

3RA1924-2B

Siemens SIRIUS System Manual

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