Details

  • •Circuit breakers and fuses
  • •Miniature circuit breaker (MCB)
  • •1 KOM
  • •ABB

Technical specifications

Built-in depth69mm
Degree of protection (IP)IP20
Current limiting class3
Rated insulation voltage Ui440V
Frequency50 - 60Hz
Suitable for flush-mounted installationNo
Concurrently switching neutral conductorNo
Number of protected poles4
Over voltage category3
Connectable conductor cross section solid-core0 - 35mm²
Pollution degree3
Ambient temperature during operating-25 - 55°C
Rated short-circuit breaking capacity Icu according to IEC 60947-2 at 230 V20kA
Additional equipment possibleYes
Rated impulse withstand voltage Uimp4kV
Rated short-circuit breaking capacity Icu according to IEC 60947-2 at 400 V20kA
Connectable conductor cross section multi-wired0 - 25mm²
Rated short-circuit breaking capacity Icn according to EN 60898 at 400 V6kA
Rated short-circuit breaking capacity Icn according to EN 60898 at 230 V6kA
Number of poles (total)4
Rated current50A
Rated voltage400V
Width in number of modular spacings4
Release characteristicK
Voltage typeAC
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