Accessories
3.5 External accessories
3VA27 molded case circuit breakers & 3WL10 air circuit breakers
Manual, 10/2018, L1V30499596002-01
123
Covers in the frame of the withdrawable breaker version
Locking device against movement of the withdrawable CB, Ronis lock, in the breaker position DISCONNECT,
Locking mechanism to prevent movement of the withdrawable CB with padlock, in the breaker position
DISCONNECT, TEST, or CONNECT
Locking device in addition to
or
, which permits only locking in breaker position DISCONNECT with the cy-
linder lock (see ①) or padlock (see ②)
Locking device to prevent movement of the withdrawable circuit breaker with cylinder locks
With the cylinder locks on the guide frame, the circuit breaker is secured against racking in
the guide frame. The positions CONNECT, TEST, and DISCONNECT can be locked and the
circuit breaker can then no longer be racked in or out.
If multiple guide frames are equipped with cylinder locks, Ronis locks with different lock
numbers are used. This means each guide frame has its own key.
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