Users Manual

Description
2.2 Circuit breakers and non-automatic circuit breakers
3WA Air Circuit Breakers
28 Equipment Manual, 05/2021, 92310000002-03
2.2.2.2 Guide frame
(1) Arc chute cover (option) (10) Locking provision to prevent racking of
the withdrawable circuit breaker with the
control cabinet door open (option)
(2) Opening for crane hook (11) Locking provision to prevent opening of
the control cabinet door when the circuit
breaker is closed (option)
(3)
Arcing openings
(12)
Racking rail
(4)
Shutter
(13)
Rated-current coding at factory
(5) Shutter lever (14) Sliding contact for circuit breaker
grounding (option)
(6)
Finger clusters
(15)
Equipment-dependent coding (option)
(7)
Ground connection
(16)
Shutter actuator
(8)
Accessory label for guide frame
(17)
Position signaling switch module (option)
(9) Locking provision for racking rails (18) Sliding contact modules with attached
push-in plugs