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Accessories
3.9 Accessories for locking and interlocking
Configuration: Three Circuit Breakers stacked
Description:
When one Circuit Breaker is closed, the other two cannot be closed.
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
2. Bowden wire: S
3. Bowden wire: S
4. Bowden wire: S
5. Bowden wire: S
6. Bowden wire: S
Note
The cylinder-head screws with strain washer must be screwed into the index brackets at the
following terminals: S
Possible Circuit Breaker statuses:
126
O
- S
I
1
1
2
1
O
- S
I
1
2
3
1
O
- S
I
2
1
1
1
O
- S
I
2
2
3
2
O
- S
I
3
1
1
2
O
- S
I
3
2
2
2
I
, S
I
, S
I
, S
I
, S
2
1
3
1
1
1
3
2
1
I
, S
I
.
2
2
2
Example:
Operating Instructions, 12/2022, L1V30828903001-01
3WJ Air Circuit breakers
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