Product Features
The GDDC2-63 DC miniature circuit breaker provides reliable and efficient DC power protection for photovoltaic, battery, and automation systems.
Designed with high breaking capacity up to 10kA, it ensures safe operation under demanding DC conditions.
The breaker features thermo-magnetic trip characteristics (B, C, D curves), IP20 protection, and compact DIN-rail mounting, making it suitable for modern DC control applications.
It is available in 1P, 2P, 3P, and 4P configurations, supporting up to 1000V DC systems.
Technical Specifications
| Parameter | Details |
|---|---|
| Type | GDDC2-63 |
| Rated Current (In) | 10A, 16A, 20A, 25A, 32A, 40A, 50A, 63A |
| Poles | 1P, 2P, 3P, 4P |
| Rated Voltage (Ue) | 1P: 250V DC, 2P: 500V DC, 3P: 750V DC, 4P: 1000V DC |
| Insulation Voltage (Ui) | 1000V |
| Rated Frequency | 50/60Hz |
| Rated Breaking Capacity | 6000/10000A |
| Rated Impulse Withstand Voltage | 8kV |
| Dielectric Test Voltage (1min) | 2kV |
| Tripping Curve | B, C, D |
| Electrical Life | 8,000 operations |
| Mechanical Life | 10,000 operations |
| Protection Class | IP20 |
| Ambient Temperature | −5°C to +40°C |
| Storage Temperature | −25°C to +70°C |
| Terminal Connection | Cable / U-type busbar / Pin-type busbar |
| Terminal Size | 25mm² |
| Tightening Torque | 2.5 N·m |
| Mounting | On DIN rail EN 60715 (35 mm) |
| Contact Indicator | Yes |
| Reference Temperature | 30 °C |
Applications
The GDDC2-63 DC MCB is designed for low-voltage DC protection in renewable energy and industrial automation systems.
It prevents overloads and short circuits in DC circuits for solar PV arrays, energy storage systems, and control cabinets.
Typical Applications Include:
- Photovoltaic (PV) systems and solar combiner boxes
- Battery energy storage systems (BESS) and inverter units
- DC control cabinets and power distribution panels
- Electric vehicle charging stations and DC bus systems
- Industrial automation equipment and CNC machinery
Why Choose Us
As a professional DC MCB manufacturer and exporter, we focus on delivering safe, certified, and customizable DC protection solutions.
Our products are ISO/CE/RoHS compliant, supporting OEM and ODM services with competitive lead times.
With over a decade of industry experience, we are a trusted DC circuit protection supplier to global electrical, solar, and industrial equipment markets.
Company Strengths:
- Consistent product quality and strict QC procedures
- Flexible customization for voltage, poles, and branding
- Fast delivery for standard and OEM orders
- Extensive export experience and technical support
FAQ
What is your minimum order quantity (MOQ)?
The MOQ is typically 100 units per model, but smaller sample or trial orders are welcome for new customers.
Can I customize the label, logo, or packaging?
Yes, we provide full OEM/ODM customization options for labeling, packaging, and branding.
How long does production and delivery take?
Standard orders are delivered within 15–25 days depending on quantity and customization requirements.
What certifications do your DC MCBs hold?
Our GDDC2-63 breakers comply with CE, CCC, and RoHS standards, ensuring global compatibility.
Are free samples available for testing?
Samples can be provided; customers only need to cover shipping costs.
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