Siemens SINOVA Manual page 190

3200 A/4000 A versions
Throw away the conduction paths.
Installing the conduction paths
For versions ≲ 2500 A
1. Attach the spacers to the conduction paths.
2. Insert the conduction paths with the spacers into the rear housing.
3. Fix the conduction paths with the spacers to the housing by means of the corresponding
screws and washers.
3WJ Air Circuit breakers
Operating Instructions, 12/2022, L1V30828903001-01
Inspection & Maintenance
4.7 Maintaining the main contact system
189