Cylinder Locks For Locking The 3Va Molded Case Circuit Breaker - Siemens 3VA1 100 A Manual

If the application requires the 3VA molded case circuit breaker to be locked in the ON (I)
position as well, the metal pin
below. This deliberate action is a safety precaution and prevents accidental locking of the
breaker in the ON position.
①
Padlock devices in INSTA distribution boards
Installed padlock devices for the handle of 3VA1 molded case circuit breakers in rated
current versions 100 A, 160 A and 250 A have a cover size of 45 mm. They are therefore
suitable for installation in INSTA distribution boards.
Installation of other accessories
When the padlock device for the handle is fitted, some other accessories cannot be installed,
see chapter Possible combinations of of accessories (Page 142).
4.7.2.2

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 accessories compartment of the 3VA molded case circuit
breaker.
3VA molded case circuit breakers
Manual, 04/2015, A5E03603177010-02
Metal pin
①
must be removed by pliers from the handle, see illustration
Accessories
4.7 Locking and interlocking
273