Accessories
3.9 Accessories for locking and interlocking
3WJ Air Circuit breakers
Operating Instructions, 12/2022, L1V30828903001-01
125
Configuration: Three Circuit Breakers stacked
Description:
Any two Circuit Breakers can be closed at any time, with the third interlocked.
Required equipment:
Each Circuit Breaker is equipped with an interlocking module and a Bowden wire. Three
additional Bowden wires must be ordered separately.
Terminals for the Bowden wires:
1. Bowden wire: S
1 O1 - S2 I1
2. Bowden wire: S
1 O2 - S3 I1
3. Bowden wire: S
2 O1 - S1 I1
4. Bowden wire: S
2 O2 - S3 I2
5. Bowden wire: S
3 O1 - S1 I2
6. Bowden wire: S
3 O2 - S2 I2
Possible Circuit Breaker statuses:
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