Siemens Sentron 3VA Manual page 311

Locking in the OFF (O) position
In order to lock the 3VA UL molded case circuit breaker in the OFF (O) position, the cylinder
lock (type Ronis) is installed with the adapter kit and the cylinder lock housing for locking in
the right-hand accessory compartment of the molded case circuit breaker. The slide for
locking in the OFF position is fitted for this purpose.
①
②
③
1. Remove the accessory cover
2. From the rear of the lid of the accessory cover, drill a hole through the lid at the position
designated for the cylinder lock housing and remove burrs with a file.
In addition, introduce as precise a gap as possible for anti-rotation protection of the
cylinder lock housing.
3. Insert a cylinder lock (type Ronis)
④
lever.
4. Install the adapter kit
case circuit breaker.
5. Reattach the accessory cover to the 3VA UL molded case circuit breaker.
3VA molded case circuit breakers with UL and IEC certification
Manual, 01/2019, L1V30435333-01
Adapter kit with OFF position slide
Actuating lever
Accessory cover
in the drilled hole and connect it securely to the accessory cover
①
in the right-hand accessory compartment of the 3VA UL molded
④
Cylinder lock housing for locking
⑤
Cylinder lock (type Ronis)
③
from the 3VA UL molded case circuit breaker.
⑤
and the locking version of the cylinder lock housing
Accessories
4.7 Locking and interlocking
②
via the actuating
309