GYM9H-10KA Miniature Circuit Breaker

GYM9H miniature circuit breaker is mainly used for protection against overload and short circuit under the AC 50Hz/60Hz, rated voltage 230V/400V and rated current from 1A to 63A. It also can be used for non-frequent on-and-off switch operation under normal circumstance



  • With indicator function in the contact position
  • Transparent cover designed to carry a label
  • Bilateral busbar wiring capabilities to adapt to the wider use of premises
  • Maximum connecting ability of 25mm², wiring torque 3N*m, applicable to a variety of installing equipment

Technical Parameters

Electrical features
Rated current In 1-63A
Poles 1P  2P  3P  4P
Rated voltage Ue 1P: 230/400V~     2/3/4P:400V~
Insulation voltage Ui 500V
Rated frequency 50/60Hz
Rated breaking capacity 10kA
Rated impulse withstand voltage(1.2/50) Uimp 6kV
Dielectric test voltage at and ind. freq.for 1min 2kV
pollution degree 2
Thermo-magnetic release characteristic B、C、D
Electrical life 8000
Mechanical life 10000
Contact position indicator Yes
Protection degree IP20
Reference temperature for setting of thermal element 30℃
Storage temperature -25~+70℃
Terminal Connection type Cable/ U-type Busbar/Pin-type busbar
Terminal size top/bottom for cable 25mm² 18-3
Tightening torque 3.0N
Connection Top and bottom
Combination with accessories
Auxiliary contact Yes
Alarm contact Yes
Shunt release Yes
Under voltage release Yes