Padlock device for the handle
The padlock device for the handle is directly attached to the handle of the 3VA molded case circuit breaker and latched in place.
When the padlock device for the handle is installed, the 3VA molded case circuit breaker can be locked in the OFF (O) position by up to three padlocks (shackle diameter 4.5 to 8.5 mm).
If the application requires the 3VA molded case circuit breaker to be locked in the ON (I) position as well, the metal pin ① must be removed by pliers from the handle, see illustration below. This deliberate action is a safety precaution and prevents accidental locking of the breaker in the ON position.
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.