Siemens 3VA1 100 A Manual page 276

Accessories
4.7 Locking and interlocking
To lock the 3VA molded case circuit breaker in the OFF (O) position, the key must be turned
to the vertical "locked" position.
Locking in the ON (I) position
For safety reasons, a deliberate action is required to lock the breaker in the ON (I) position.
The slide for locking in the ON position must be used for this purpose. Further information
can be found in the relevant operating instructions.
Use of cylinder locks (type Ronis) for other applications
Cylinder locks (type Ronis) can also be used in the following applications:
● For locking the racking distance in draw-out units, see chapter Draw-out technology
(Page 215)
● For locking in the manual operators of the 3VA molded case circuit breaker, see chapter
Manual operators (Page 238)
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).
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3VA molded case circuit breakers
Manual, 04/2015, A5E03603177010-02