GYM9H-Z DC Miniature Circuit Breaker

Description

The GYM9H-Z DC miniature circuit breaker is used for non-polar DC applications such as DC panels and energy-storage devices. It provides overload and short-circuit protection for DC circuits up to 600V, with rated current from 1A to 63A and 1P to 4P configurations.

Application Scope

  • Used for DC voltage up to 600V.
  • Suitable for DC panels, energy-storage devices and other non-polar DC applications.
  • Can be used for overload protection, short-circuit protection and infrequent circuit operation.
  • Listed standards include GB 14048.2, IEC 60947-2 and IEC 60947-2 Annex P.

Electrical Data

ItemSpecification
Poles1P, 2P, 3P, 4P
Rated current In1A to 63A
Rated voltage Ue1P: 48VDC, 60VDC, 125VDC, 150VDC; 2P: 110VDC, 125VDC, 250VDC, 300VDC; 3P: 450VDC; 4P: 600VDC
Rated impulse withstand voltage Uimp6kV
Rated breaking capacity Icn6kA
Operating breaking capacity Ics6kA
Trip methodThermal magnetic trip
Thermo-magnetic release characteristicB: 5.5In ±20%; C: 8.5In ±20%

Mechanical and Environmental Data

ItemSpecification
Mechanical life20,000 operations
Electric life2,500 operations for not more than 20A; 1,500 operations for more than 20A
Protection classIP20 direct installation; IP40 when installed in distribution box
Reference temperature for thermal element30°C
Ambient temperature-25°C to +60°C
Storage temperature-25°C to +70°C
Wiring sizeCopper/hard wire: 1-25 mm²; cord/hoop terminals: 1-16 mm²

Design Features

  • Double busbar structure listed in the product data.
  • Transparent logo/label area.
  • Quick closing function.
  • Contact status indication and circuit identification listed in the technical data.