Accessories
4.7 Locking and interlocking
3VA molded case circuit breakers with IEC certificate
Manual, 03/2019, A5E03603177010-03
365
Cylinder locks for locking the 3VA molded case circuit breaker
The 3VA molded case circuit breaker can also be locked in the OFF (O) or ON (I) position by
means of a cylinder lock (type Ronis). The 3VA molded case circuit breaker is protected
against further operation once it has been locked.
Cylinder locks (type Ronis) can be fitted to all types of 3VA molded case circuit breaker. The
cylinder lock is installed in an accessory compartment of the 3VA molded case circuit
breaker.
To provide a cylinder lock, the following two components need to be ordered:
● One cylinder lock (type Ronis)
One lock and two keys are always included in the order.
Selection of the lock number is highly flexible, i.e. it can be selected from a choice of
three different lock numbers. If different cylinder lock numbers are required for multiple
locks, they can be selected from the predefined article numbers stated in the catalog.
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