Description
The GDDC1-63 DC MCB is a compact and reliable DC miniature circuit breaker designed for overload and short circuit protection in photovoltaic and other DC power systems. It is suitable for DC rated voltage up to 1000V and supports rated current options from 10A to 63A, making it a practical choice for solar combiner boxes, energy storage systems, telecom power systems, and industrial DC circuits.
This GDDC1-63 DC MCB is manufactured in compliance with IEC/EN60947-2 and is designed for stable switching performance under normal operating conditions. It can also be used for infrequent line operation, helping users manage DC distribution and protection in a safe and efficient way.
With a compact DIN rail mounting design, the GDDC1-63 DC MCB is easy to install in distribution cabinets and control boxes. The breaker includes a contact position indicator, clear product marking, and multiple trip curve options, which make it more convenient for panel builders, OEM customers, and project buyers.
For buyers looking for a dependable GDDC1-63 DC MCB for solar and DC control systems, this model offers a balanced combination of compact size, good protection performance, and flexible pole configuration.
Product Features
- Designed for DC overload and short circuit protection
- Suitable for DC systems up to 1000V
- Rated current options: 10A, 16A, 20A, 25A, 32A, 40A, 50A, 63A
- Pole options: 1P, 2P, 3P, 4P
- Breaking capacity: 4.5kA
- Complies with IEC/EN60947-2
- Contact position indicator for easier status checking
- Supports B, C, and D trip curves
- Compact DIN rail mounting design
- Suitable for solar PV, telecom, communication, and industrial DC applications
Technical Specifications
| Parameter | Specification |
|---|---|
| Brand | GA&DA |
| Model | GDDC1-63 |
| Product Type | DC Miniature Circuit Breaker |
| Rated Current | 10A, 16A, 20A, 25A, 32A, 40A, 50A, 63A |
| Pole | 1P, 2P, 3P, 4P |
| Rated Voltage Ue | 1P: 250V, 2P: 500V, 3P: 750V, 4P: 1000V DC |
| Insulation Voltage Ui | 1000V |
| Rated Frequency | 50/60Hz |
| Rated Breaking Capacity | 4500A |
| Rated Impulse Withstand Voltage | 4kV |
| Dielectric Test Voltage | 2kV |
| Thermo-Magnetic Release | B, C, D |
| Electrical Life | 4000 |
| Mechanical Life | 10000 |
| Contact Position Indicator | Yes |
| Protection Class | IP20 |
| Ambient Temperature | -5℃ to +40℃ |
| Storage Temperature | -25℃ to +70℃ |
| Terminal Connection Type | Cable / U-type busbar / Pin-type busbar |
| Terminal Size | 25mm² |
| Tightening Torque | 2.5 N·m |
| Mounting | On DIN Rail FN60715 (35mm) |
| Connection | Top and bottom |
| Auxiliary Contact | Yes |
| Alarm Contact | Yes |
| Shunt Release | Yes |
| Under Voltage Release | Yes |
Applications
The GDDC1-63 DC MCB is suitable for a wide range of DC electrical protection applications.
Typical Applications:
- Solar photovoltaic systems
- PV combiner boxes
- Energy storage systems
- Communication and telecom power systems
- DC distribution panels
- Battery protection circuits
- Industrial control systems
- OEM electrical assemblies
Why Choose Us
GA&DA is a professional low-voltage electrical manufacturer focused on practical and reliable circuit protection products for global customers.
Why choose GA&DA GDDC1-63 DC MCB?
- Stable quality and compact structure
- Full range of rated current options from 10A to 63A
- Multiple pole and trip curve choices
- Suitable for photovoltaic and industrial DC systems
- DIN rail installation for easy panel assembly
- OEM/ODM support available
- Bulk order support for distributors and project buyers
FAQ
What is the rated breaking capacity of the GDDC1-63 DC MCB?
The GDDC1-63 DC MCB has a rated breaking capacity of 4.5kA.
What current ratings are available for the GDDC1-63 DC MCB?
This model is available in 10A, 16A, 20A, 25A, 32A, 40A, 50A, and 63A.
What pole options are available?
The GDDC1-63 DC MCB is available in 1P, 2P, and 4P versions.
Is the GDDC1-63 DC MCB suitable for solar systems?
Yes. It is suitable for photovoltaic DC systems, including combiner boxes and other DC protection circuits.
What standards does this product comply with?
It is designed in accordance with IEC/EN60947-2.
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