Details

  • •Circuit breakers and fuses
  • •Miniature circuit breaker (MCB)
  • •4 KOM
  • •LEGRAND

Technical specifications

Built-in depth44mm
Voltage typeAC
Rated voltage400V
Degree of protection (IP)IP20
Concurrently switching neutral conductorNo
Frequency50 - 60Hz
Rated insulation voltage Ui500V
Over voltage category-
Width in number of modular spacings3
Connectable conductor cross section solid-core- - -mm²
Connectable conductor cross section multi-wired- - -mm²
Pollution degree2
Current limiting class3
Number of protected poles3
Suitable for flush-mounted installationYes
Rated short-circuit breaking capacity Icn according to EN 60898 at 400 V6kA
Rated short-circuit breaking capacity Icu according to IEC 60947-2 at 400 V6kA
Rated short-circuit breaking capacity Icu according to IEC 60947-2 at 230 V10kA
Ambient temperature during operating- - -°C
Additional equipment possibleNo
Rated impulse withstand voltage Uimp4kV
Rated current50A
Release characteristicB
Number of poles (total)3
Rated short-circuit breaking capacity Icn according to EN 60898 at 230 V10kA
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