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Mutual interlocking of 3VA molded case circuit breakers by means of Bowden cables

Bowden cables can be used to implement a mutual interlock between up to three 3VA molded case circuit breakers. For this purpose, Bowden cable modules are fitted in the manual operator.

Possible combinations of breaker positions

When a Bowden cable interlock is installed for two manual operators, the two interlocked 3VA molded case circuit breakers can assume the following positions:

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When a Bowden cable interlock is installed for three manual operators, the three interlocked 3VA molded case circuit breakers can assume the following positions:

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Interlocks can be implemented between the following 3VA molded case circuit breakers:

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