Users Manual

Description
2.2 Circuit breakers and non-automatic circuit breakers
3WA Air Circuit Breakers
36 Equipment Manual, 05/2021, 92310000002-03
(1) Standards (8) Technical specifications for IT system
low-voltage network type
(2)
Approvals such as CE, CCC, EAC or C-Tick
(9)
Rated operational voltage
(3)
Isolating function
(10)
Rated short-circuit breaking capacity
(4)
Rated frequencies
(11)
Rated impulse withstand voltage
(5)
Rated short-time withstand current
(12)
Rated insulation voltage
(6) ID number of the circuit breaker (13) Maximum rated current of the circuit
breaker
(7) Note regarding voltage reduction accord-
ing to the Chinese standard
(14) Utilization category
The rated current In of the circuit breaker is indicated on the option plug of the electronic trip
unit. The option plug is described in Chapter Option plug (Page 45).