VOB6-63DC DC Miniature Circuit Breaker
The VIOX VOB6-63DC DC miniature circuit breaker is designed for overload and short-circuit protection in DC systems. It features a polarity-free design, supports up to DC1200V, and offers 1P to 4P configurations for solar, energy storage, and industrial DC applications.
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The VIOX VOB6-63DC DC miniature circuit breaker is designed to provide safe and dependable overload and short-circuit protection for modern DC electrical systems. With a polarity-free design, this series allows flexible installation and supports both upper and lower incoming lines for easier panel wiring.
The VOB6-63DC range covers rated currents from 1A to 63A and supports 1P, 2P, 3P, and 4P configurations. With a maximum rated working voltage of DC1200V, it is suitable for solar PV, energy storage, telecom, and industrial DC distribution systems where compact size, reliable protection, and convenient DIN rail installation are required.
Key Features
- Polarity-free DC design for flexible wiring
- Rated voltage up to DC1200V
- Rated current range from 1A to 63A
- 1P, 2P, 3P, and 4P configurations available
- Contact position indicator window for clear status visibility
- Layered structure design for safe and convenient operation
- B, C, and D tripping curve options
- Compact 18mm width per pole for efficient panel layout
Technical Specifications
| Compliant Standards | GB/T 14048.2, IEC 60947-2 |
|---|---|
| Number of Poles | 1P, 2P, 3P, 4P |
| Rated Current (In) | 1A, 2A, 3A, 4A, 6A, 10A, 16A, 20A, 25A, 32A, 40A, 50A, 63A |
| Rated Frame Current | 63A |
| Rated Voltage (Ue) | DC 300V (1P), DC 600V (2P), DC 900V (3P), DC 1200V (4P) |
| Rated Insulation Voltage (Ui) | 1200V |
| Rated Impulse Withstand Voltage (Uimp) | 6kV |
| Ultimate Short-Circuit Breaking Capacity (Icu) | 7kA (4.5kA / 6kA optional) |
| Operating Short-Circuit Breaking Capacity (Ics) | 7.5kA |
| Usage Category | A |
| Instantaneous Tripping Curve | B (4In-7In), C (8In±20%), D (12In±20%) |
| Overload Tripping (1.05In) | Agreed non-tripping time 1h (cold state) |
| Overload Tripping (1.30In) | Agreed tripping time 1h (hot state) |
| Mechanical Life | 20,000 cycles |
| Electrical Lifespan | ≥1,500 cycles |
| Protection Grade | IP20 |
| Reference Temperature | 30°C |
| Unipolar Width | 18mm per pole |
| Wiring Capacity | 16 mm² |
| Connection Method | Both upper and lower incoming lines are acceptable |
Pole And Voltage Configurations
| Poles | Rated Voltage | Recommended Application |
|---|---|---|
| 1P | DC 300V | Compact DC branch circuit protection |
| 2P | DC 600V | Standard DC distribution and isolation |
| 3P | DC 900V | Higher-voltage DC systems |
| 4P | DC 1200V | Solar PV and advanced energy storage systems |
Applications
The VOB6-63DC series is suitable for DC systems that require compact, modular, and reliable protection. Its polarity-free structure and wide voltage coverage make it a practical choice for panel builders, OEMs, and project buyers working on modern DC installations.
- Solar photovoltaic systems
- Energy storage systems
- Battery protection circuits
- Telecom DC power systems
- Industrial DC control cabinets
- Low-voltage DC distribution panels
Why Choose VIOX VOB6-63DC
The VOB6-63DC is designed for B2B buyers who need a practical DC miniature circuit breaker with flexible installation, broad voltage coverage, and stable protective performance. It supports standardized panel design while helping simplify product selection for different DC system voltages.
- Broad current range from 1A to 63A
- Supports up to DC1200V
- Multiple pole configurations for flexible design
- Polarity-free wiring for easier installation
- Compact modular structure for DIN rail mounting
- Suitable for distributors, OEMs, and project procurement
FAQ
What is the VOB6-63DC used for?
It is used for overload and short-circuit protection in DC systems such as solar power, energy storage, telecom equipment, and industrial DC distribution.
What is the maximum rated voltage of the VOB6-63DC?
The maximum rated working voltage shown in the product data is DC1200V in the 4P version.
What current ratings are available?
The series covers 1A, 2A, 3A, 4A, 6A, 10A, 16A, 20A, 25A, 32A, 40A, 50A, and 63A.
Is the VOB6-63DC polarity sensitive?
No. The product is described as DC polarity-free, and both upper and lower incoming lines are acceptable.
Which applications is this breaker best suited for?
It is well suited for solar PV, battery storage, telecom DC systems, and industrial DC distribution where compact and reliable circuit protection is required.
Request a Quote
If you are sourcing DC miniature circuit breakers for solar, energy storage, telecom, or industrial DC projects, VIOX can help you select the right VOB6-63DC model based on current rating, pole configuration, and system voltage. Send your specifications and quantity requirements for quotation support.
