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GYM1 Miniature Circuit Breaker

GYM1 miniature circuit breaker is mainly used for protection against overload and the short circuit under the AC 50Hz/60Hz, rated voltage 230V/400V, and rated current from 1 A to 63A. It also can be used for non –frequent on -and –off switch operations under normal circumstances.



  • In compliance with IEC /EN60898-1.
  • With indicator function in the contact position.
  • The maximum connecting ability of 2 5mmwiring torque 3 N*m, applicable to a variety of installing equipment.


Electrical features
Rated current In1-63A
Poles1P  2P  3P  4P
Rated voltage Ue1P: 230/400V~     2/3/4P:400V~
Insulation voltage Ui500V
Rated frequency50/60Hz
Rated breaking capacity4.5kA
Rated impulse withstand voltage(1.2/50) Uimp6kV
Dielectric test voltage at and ind. freq.for 1min2kV
pollution degree2
Thermo-magnetic release characteristicB、C、D
Electrical life4000
Mechanical life10000
Contact position indicatorYes
Protection degreeIP20
Reference temperature for setting of thermal element30℃
Storage temperature-25~+70℃
Terminal Connection typeCable/ Busbar
Terminal size top/bottom for cable25mm²
Tightening torque3.0N*m
ConnectionTop and bottom
Combination with accessories
Auxiliary contactYes
Alarm contactYes
Shunt releaseYes
Under voltage releaseYes


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