roduct Features
The GDDC5-63 DC miniature circuit breaker is designed for safe and efficient DC power protection in solar, battery, and industrial systems.
It offers high breaking capacity up to 6kA, ensuring stable performance in harsh DC environments.
Compact design, thermo-magnetic release (B/C/D curve), and durable housing guarantee reliable overload and short-circuit protection.
Ideal for use in photovoltaic arrays, DC distribution boxes, and control cabinets.
Technical Specifications
| Parameter | Details |
|---|---|
| Type | GDDC5-63 |
| Rated Current (In) | 10A, 16A, 20A, 25A, 32A, 40A, 50A, 63A |
| Poles | 1P, 2P, 4P |
| Rated Voltage (Ue) | 1P: 250V DC, 2P: 500V DC, 4P: 1000V DC |
| Insulation Voltage (Ui) | 1000V |
| Rated Frequency | 50/60Hz |
| Rated Breaking Capacity | 6000A |
| Rated Impulse Withstand Voltage | 6kV |
| Dielectric Test Voltage (1min) | 2kV |
| Tripping Curve | B, C, D |
| Electrical Life | 8,000 operations |
| Mechanical Life | 10,000 operations |
Applications
The GDDC5-63 MCB is widely used for DC power distribution and equipment protection in industrial and renewable energy systems.
Typical Applications Include:
- Solar PV systems and DC combiner boxes
- Battery energy storage systems (ESS)
- DC control panels and power supply cabinets
- Industrial automation and telecommunication equipment
- EV charging stations and DC microgrids
Long-tail keywords naturally covered:
- DC MCB for photovoltaic applications
- 63A miniature circuit breaker for control systems
- DC breaker for battery protection
Why Choose Us
As a professional DC MCB manufacturer and exporter, we provide:
- Reliable product quality with ISO and CE certifications
- Fast lead times and flexible OEM/ODM customization
- Comprehensive voltage and current options for diverse DC systems
- Over 10 years of export experience in industrial electrical protection
Your trusted DC protection solutions provider, ensuring safety and stability in every connection.
FAQ
What is your minimum order quantity (MOQ)?
Our standard MOQ is 100 units per model, but smaller trial orders are accepted for new clients.
Can I customize the label or packaging with my own brand?
Yes, OEM and ODM customization for labels, logos, and packaging are available upon request.
What is the typical delivery time for bulk orders?
Standard production lead time is 15–25 days depending on quantity and customization requirements.
Do you provide product samples for testing?
Yes, we offer free or low-cost samples; customers only need to cover shipping costs.
What certifications do your DC miniature circuit breakers have?
The GDDC5-63 series complies with CE, CCC, and RoHS standards for safety and performance.
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