Accessories
4.7 Locking and interlocking
3VA molded case circuit breakers
282 Manual, 04/2015, A5E03603177010-02
Installation of other accessories
When the cylinder lock is fitted in the accessories compartment of the circuit breaker, some
other accessories cannot be installed, see chapter Possible combinations of of accessories
(Page 142).
Manual operators (Page 238)
Draw-out technology (Page 215)
Sliding bar with Bowden cable: Modules for sliding bar with Bowden cable
A mutual interlock between up to three molded case circuit breakers can be implemented by
means of the front Bowden cable interlock. This interlock functions according to the blocking
principle: If one of the circuit breakers included in the interlock is unlocked, the Bowden
cables move in such a way as to ensure that the other molded case circuit breakers are
locked in the OFF (O) position.
In order to implement a front Bowden cable interlock, sliding bar modules must be mounted
on the 3VA molded case circuit breakers to be included in the interlock arrangement. Each of
these modules is equipped with a slide which blocks or releases operation of the handle.
Sliding bar module
Slide
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