United Petroleum Services FZE

Circuit Breaker>>Mould Case Circuit Breaker>>AM3T Series


1.Application

AM3T moulded case circuit breaker is suitable for circuit AC 50Hz/60Hz, rated voltage up to AC 660V, rated operating current up to 250A.It features normal structure, reliable performance, high breaking capacity, used for power distribution and protecting the circuit and electrical equipment against overload and short circuit. It complies with standard of IEC60947-2.

2. Specifications

Type
AM3T-160
AM3T-250
Poles number
3
3
Rated current In(A)
16~160
100~250
Rated operating voltage Ue(V) (50/60Hz)
690
690
Rated insulation voltage Ui(V)
800
800
Rated impulse withstand voltage Uimp(KV)
8
8
Utilisation category
A
A
Rated limited short-circuit breaking capacity Icu(KA)
220/230V
25
50
380/415V
16
36
400V
10
25
500V
8
20
690V
3
5
500V-3poles in series
16
36
Rated short-circuit service breaking capacity Ics(%Icu)
100
75