GDDCM1-250-3P DC MCCB Overview
Le GDDCM1-250-3P DC MCCB is a three-pole molded case circuit breaker designed for high-voltage direct current distribution and protection. With a 250A rated current and operating voltage options extending up to 1500V DC, it is suitable for photovoltaic power generation, battery energy storage, industrial DC distribution, and other applications where higher current capacity and dependable fault protection are required.
Unlike standard miniature circuit breakers used for lower-current branch circuits, this molded case design is intended for larger DC feeders and power distribution systems. The robust housing provides mechanical strength and electrical insulation, while the clearly visible operating handle allows operators to identify the switching status quickly during installation, inspection, and maintenance.
The product markings indicate compatibility with DC1000V, DC1250V, and DC1500V applications. Its short-circuit breaking capability reaches 25kA at DC1000V and DC1250V, while the DC1500V configuration is marked at 20 kA. This gives system designers greater flexibility when selecting a breaker for different photovoltaic or battery-system voltage levels.
Le GDDCM1-250-3P DC MCCB also complies with IEC 60947-2, making it suitable for professional low-voltage DC distribution equipment. Its three-pole structure is particularly useful in high-voltage DC circuit arrangements that require multi-pole isolation and coordinated disconnection.
Caractéristiques techniques
| Paramètre | Description |
|---|---|
| Modèle | GDDCM1-250 |
| Type | DC Molded Case Circuit Breaker |
| Courant nominal | 250A |
| Pôles | 3P |
| Tension nominale | DC1000V / DC1250V / DC1500V |
| Capacité de rupture | 25kA at 1000/1250V, 20kA at 1500V |
| Montage | Vertical / Horizontal |
| Trip Type | Thermal-magnetic |
| Standard Compliance | IEC 60947-2 |
| Demande | Solar PV / Battery / Industrial DC Systems |
Applications
Le GDDCM1-250-3P DC MCCB is suitable for high-current DC systems where reliable isolation, overload protection, and short-circuit interruption are required.
Parmi les applications courantes, on peut citer :
- Utility-scale solar photovoltaic systems
- PV inverter input and output protection
- DC combiner and distribution cabinets
- Battery energy storage systems
- Large-capacity battery banks
- Industrial DC power distribution
- DC control cabinets
- Renewable energy equipment
- High-voltage DC power supplies
- Ensembles électriques OEM
In photovoltaic systems, the breaker can be installed in DC distribution sections to provide protection between major components such as PV arrays, combiner equipment, inverters, and other downstream devices. In battery storage systems, it can be used in high-current DC circuits that require controlled isolation during fault conditions or maintenance.
Why Choose GA&DA GDDCM1-250-3P?
Le GDDCM1-250-3P DC MCCB combines 250A current capacity, up to 1500V DC operation, and strong short-circuit interruption performance in a compact molded case structure.
For solar equipment manufacturers and system integrators, the multiple voltage levels make product selection easier across different project designs. The three-pole configuration also provides a practical solution for high-voltage DC systems where multi-pole isolation is required.
Parmi les principaux avantages, on peut citer :
- 250A rated current
- Up to 1500V DC operation
- 3P high-voltage DC configuration
- Up to 25kA breaking capacity
- IEC 60947-2 compliance
- Robust molded case construction
- Suitable for PV and battery storage systems
- Convenient manual isolation
- Suitable for panel builders and OEM projects
- Bulk-order and project supply support
For distributors, EPC contractors, panel builders, and renewable-energy equipment manufacturers, the GDDCM1-250-3P provides a practical DC protection solution for higher-power applications without adding unnecessary complexity to the electrical panel.
FAQ
What is the rated current of the GDDCM1-250-3P?
The rated current is 250A.
What DC voltage levels does it support?
It supports DC1000V, DC1250V, and DC1500V applications.
What is the breaking capacity?
The breaker is marked 25kA at DC1000V/DC1250V and 20kA at DC1500V.
Is this a three-pole breaker?
Yes. The GDDCM1-250-3P DC MCCB uses a 3P configuration.
Is it suitable for solar PV systems?
Yes. It is suitable for high-voltage photovoltaic distribution and protection applications.
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