The GYM10DC DC miniature circuit breaker is designed for overload, short-circuit and isolation protection in direct-current systems. It is used in applications such as communication power supplies, photovoltaic systems, battery storage systems and DC switchgear, with 6A to 63A current ratings and 1P to 4P configurations.
Product Range
| Item | Specification |
|---|
| Rated current In | 6A, 10A, 16A, 20A, 25A, 32A, 40A, 50A, 63A |
| Poles | 1P, 2P, 3P, 4P |
| Rated voltage Ue | 1P: 250VDC; 2P: 500VDC; 3P: 750VDC; 4P: 1000VDC |
| Tripping curves | Type C and Type D listed in the product data |
| Breaking capacity | 4500A |
| Mechanical life | 20,000 operations |
| Rated insulation voltage Ui | 500V |
| Rated impulse withstand voltage Uimp | 4kV |
Protection Functions
- Overload protection for excessive continuous current.
- Short-circuit protection for fault-current interruption.
- Isolation function for DC circuit maintenance and switching.
- Applicable to photovoltaic strings, DC distribution boards and battery-storage circuits when selected according to system voltage and pole configuration.
Application Notes
| Application | Use |
|---|
| Photovoltaic systems | String and DC-side circuit protection within the listed voltage and current ratings |
| Communication power supplies | DC distribution protection and isolation |
| Battery storage systems | DC branch protection where the selected rating matches system requirements |
| DC switchgear | Compact DIN rail protection and isolation for DC panels |
Selection Notes
- Select the pole count according to DC system voltage: 1P for 250VDC, 2P for 500VDC, 3P for 750VDC and 4P for 1000VDC as listed in the product data.
- Select the current rating according to the protected circuit load.
- Use the listed C or D curve according to the load type and system protection design.
