Accessories
4.9 Interlocking
3WA1 air circuit breaker
Equipment Manual, 02/2023, 92310000002-06
329
Accessories required for interlocks
Mechanical interlocking must be ordered separately for each of the circuit breakers to be
interlocked.
• Two interlocking modules and two Bowden cables are required for interlocking two
circuit breakers. This means it is sufficient to order two mechanical interlocks
provided the required Bowden cable length does not exceed 2 m.
• However, three interlocking modules and six Bowden cables are required for
interlocking three circuit breakers. Three mechanical interlocks and three additional
Bowden cables must therefore be ordered for this purpose.
Note
In the case of withdrawable circuit breakers in s
ize 3, an adapter must also be ordered.
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