Accessories
4.5 Manual operators
3VA molded case circuit breakers with UL and IEC certification
266 Manual, 01/2019, L1V30435333-01
1. Turn the front mounted rotary operator to position OFF (0) in order to open the molded
case circuit breaker.
2. Press the button of the door open function
3. Actuate the NC contact of the panel door and open the panel door.
Overriding the door interlock
The door interlock can be overridden by a deliberate action. This means that the door can be
opened with the operator in position ON (I) so that maintenance can be carried out, for
example.
1)
Door position switch
2)
Door interlock
3)
Procedure (overriding the door interlock)
● Use a slotted screwdriver 0.3 x 2.0 mm to press into the opening for the defeat function of
the door interlock and simultaneously open the door.
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