The MINGTUO PV DC MCCB is a high-performance circuit protection solution designed specifically for solar photovoltaic (PV) systems. Rated up to 1000V DC and capable of handling currents from 63A to 630A, this breaker delivers reliable protection against overloads, short circuits, and hazardous DC arcs. Constructed with flame-retardant thermoset materials and advanced DC arc quenching technology, it ensures safe operation under harsh environmental conditions, including extreme temperatures and high UV exposure. Its compact and versatile design supports 2P, 3P, and 4P configurations, making it suitable for diverse PV installations from residential to utility-scale projects.
Key Features
DC voltage rating: 1000V / 1500V
Current range: 63A – 630A
Pole options: 2P, 3P, 4P
Advanced DC arc suppression with magnetic blowout technology
Flame-retardant thermoset housing for long-term durability
Wide operating temperature range: -40°C to +85°C
DIN rail and panel mount compatible
Functional Advantages
Provides reliable on/off control for photovoltaic string circuits
Protects against reverse current and reduces DC arc risks
Monitors system faults and provides rapid fault response
Ensures safe isolation for maintenance or emergency situations
Supports energy storage system integration and inverter protection
Typical Applications
Solar Combiner Boxes: Protects individual PV strings while consolidating outputs
Inverter Input/Output Protection: Shields inverters from DC-side faults
DC Distribution Cabinets: Manages energy flow in commercial and utility-scale PV plants
Energy Storage Systems: Safeguards battery connections and integration points
Residential, Commercial, and Utility-Scale Installations: Provides critical circuit protection across all PV system sizes
Competitive Advantages
- Superior DC Performance
High breaking capacity up to 25kA at 1000–1500V DC
Lightning-fast 0.5ms fault detection and interruption
Reliable suppression of DC arcs to protect equipment and personnel
- Exceptional Durability
IP65-rated UV-resistant housing
Salt-spray corrosion resistant, tested for 1000h
Minimum 20,000 mechanical operation cycles
Operates reliably across extreme environmental conditions
- Intelligent Features
Integrated fault monitoring and remote operation capability
Clear status indicators for real-time system monitoring
Temperature compensation technology for enhanced protection
- Certified Quality Assurance
TÜV Rheinland certified, UL 489B compliant
IEC 60947-2 standard compliance
100% factory-tested before shipping for consistent performance
- Easy Installation & Maintenance
35% more compact than conventional DC breakers
Tool-free accessory installation and front-facing connection terminals
Versatile for DIN rail or panel mounting
- Cost Efficiency
Longer service life than standard solutions
Reduced maintenance requirements
Factory-direct pricing with 3-year warranty and global support
Summary
The MINGTUO PV DC MCCB 1000V 630A combines advanced DC protection technology with durable design and intelligent monitoring, providing reliable safeguarding for photovoltaic arrays, DC distribution networks, and energy storage systems. Designed for long-term stability and high performance, it ensures maximum system uptime while minimizing maintenance costs, making it an ideal choice for modern solar power projects.
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