Accessories
4.7 Locking and interlocking
3VA molded case circuit breakers with IEC certificate
Manual, 03/2019, A5E03603177010-03
371
Installing the cylinder lock in the accessory compartment
The cylinder lock (type Ronis) is installed together with the adapter kit and the interlocking
version of the cylinder lock housing in the right-hand accessory compartment of the molded
case circuit breaker.
Adapter kit
Cylinder lock housing for interlocking
Actuating lever
Cylinder lock (type Ronis)
Accessory cover
1. Remove the accessory cover
③ from the 3VA molded case circuit breaker.
2. Drill a hole through the accessory cover at the position marked on the rear face and
smooth down the drilled surface with a file.
3. Insert a cylinder lock (type Ronis)
⑤ and the interlocking version of the cylinder lock
housing
④ in the drilled hole and connect it securely to the accessory cover ② via the
actuating lever.
4. Install the adapter kit
① in the right-hand accessory compartment of the 3VA molded
case circuit breaker.
5. Reattach the accessory cover to the 3VA molded case circuit breaker.
A cylinder lock (type Ronis) is installed at each 3VA molded case circuit breaker to be
interlocked.
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