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Connection and commissioning
5.3 Mounting accessories
as the operator, the contact system, the current conducting paths, the arc chute, and the
electronics, for safety reasons, too.
1. Remove the front cover and the terminal covers of the circuit breaker to install internal
accessories.
– 3-pole circuit breaker:
168
3VA27 molded case circuit breakers & 3WL10 air circuit breakers
Equipment Manual, 10/2023, L1V30499596002-03
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