Interlocking Of Three Circuit Breakers (One Of Three) Using A Bowden Cable - Siemens SENTRON 3WA1 Manual

4.9.3 Interlocking of three circuit breakers (one of three) using a Bowden
cable
Example
Description
In the case of parallel circuit breakers (e.g. redundancy), when one circuit breaker is
closed, the other two cannot be closed.
Required materials
An interlocking module with a Bowden cable and an extra Bowden cable are required for
each circuit breaker, i.e. three mechanical interlocks and three Bowden cables must be
ordered.
Connections of the Bowden cables
1st Bowden cable:
2nd Bowden cable:
3rd Bowden cable:
4th Bowden cable:
5th Bowden cable:
6th Bowden cable:
3WA1 air circuit breaker
Equipment Manual, 02/2023, 92310000002-06
Possible circuit breaker statuses
Q1
Q1 A1 - Q2 E1
Q1 A2 - Q3 E1
Q2 A1 - Q1 E1
Q2 A2 - Q3 E2
Q3 A1 - Q1 E2
Q3 A2 - Q2 E2
Q2
Accessories
4.9 Interlocking
Q3
333