product info
  NAME
AM4 Series Moulded Case Circuit Breakers
  DOWNLOAD PDF
  PRODUCT TYPE
Circuit Breaker
    mould case circuit breaker
  MODEL
AM4-125
AM4-160
AM4-250
AM4-400
description

1.Application
AM4 series MCCB is applicable circuit of AC 50/60Hz, rated current up to 400A, for distribute energy of electricity & infrequent making & breaking circuit in normal conditions. The products conforms to IEC60947-2.

2. Specification
Type AM4-125 AM4-160 AM4-250 AM4-400
Poles number 3 3 3 3
Rated current In(A) 25~125 25~160 125~250 125~400
Rated working voltage Ue(V) (50/60Hz) 500 500 600 600
Rated working voltage Ue (V) 250 250 250 250
Rated insulation voltage Ui~(V) 500 500 690 690
Rated impulse voltage Uimp(kV) 6 6 8 8
Utilisation category A A A A
Rated limited short-circuit breaking capacity Icu(kA) 230/240V~ 22 50 60 70
400/415V~ 16 36 36 40
440V~ 10 20 30 36
480/500V~ 8 14 25 30
600V~ - - 20 -
690V~ - - 16 -
250V~ 16 - 36 -
Rated short-circuit breaking service capacity Ics(%Icu) 100 100 100 100
Mechanical life 7000 7000 7000 5000
Electrical life 1000 100 1000 800


3. Outline and Installation Dimension