22
b) Signalling contacts disconnected test isolated -
connected
To change the state the position contact, proceed the same way
as explained for the auxiliary contacts. No.
Model 3447
Apparatus Emax DC
S cale
Doc.
Fig. ___________________________________________________________________________________________________________________________
Being the two-way type (changeover contacts), the auxiliary contacts can modified from break contacts make contacts and vice versa
simply moving the output conductor from one position the other, shown the figure.
13/1 08
. 1SDH000635R0002
Page No. contact Term inal box
Fig.rsio xilia cts llin cts isco cte isolated cte fro orm ally
clo (opening) lly (closing) vice versa
The contacts are wired the factory shown the electrical circuit diagram.O. necessary change their state for installation requirements,
proceed follows.
N.
a) Auxiliary contacts
To access the auxiliary contacts, carry out the following operations:
- remove the front protection (3) the release taking action the blocks (1) shown the figure
- remove the protection release (4) removing the side nuts (2) and then sliding the release out from the front the circuit-breaker
