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
| Item | Specification |
|---|
| Poles | 1P, 2P, 3P, 4P |
| Rated current In | 1A to 63A |
| Rated voltage Ue | 1P: 48VDC, 60VDC, 125VDC, 150VDC; 2P: 110VDC, 125VDC, 250VDC, 300VDC; 3P: 450VDC; 4P: 600VDC |
| Rated impulse withstand voltage Uimp | 6kV |
| Rated breaking capacity Icn | 6kA |
| Operating breaking capacity Ics | 6kA |
| Trip method | Thermal magnetic trip |
| Thermo-magnetic release characteristic | B: 5.5In ±20%; C: 8.5In ±20% |
Mechanical and Environmental Data
| Item | Specification |
|---|
| Mechanical life | 20,000 operations |
| Electric life | 2,500 operations for not more than 20A; 1,500 operations for more than 20A |
| Protection class | IP20 direct installation; IP40 when installed in distribution box |
| Reference temperature for thermal element | 30°C |
| Ambient temperature | -25°C to +60°C |
| Storage temperature | -25°C to +70°C |
| Wiring size | Copper/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.