Description:
Expertly engineered for photovoltaic applications, our DC Molded Case Circuit Breaker delivers robust circuit protection within solar power systems. Featuring a 1000V/1500V DC rating and 63A-630A current range, it guarantees safe operation even under the most demanding environmental conditions.
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
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This circuit breaker provides reliable overload, short circuit, and arc fault protection for the photovoltaic DC side through the workflow of “detecting faults → rapid tripping→magnetic extinguishing of arcs”, while supporting safe isolation and status monitoring to ensure the safe and stable operation of the system.
Compliant with rigorous international safety standards, our breakers undergo stringent testing to ensure unwavering performance throughout your system’s entire 25-year service life.
1. 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 |
2. 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 |
3. Intelligent Features |  Integrated fault monitoring and remote operation capability  Clear status indicators for real-time system monitoring  Temperature compensation technology for enhanced protection |
4. Certified Quality Assurance | TÜV Rheinland certified, UL 489B compliant  IEC 60947-2 standard compliance  100% factory-tested before shipping for consistent performance |
5. 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 |
6. Cost Efficiency |  Longer service life than standard solutions  Reduced maintenance requirements  Factory-direct pricing with 3-year warranty and global support |
To ensure transportation safety, our electrical products are exported in reinforced wooden crates. The crates undergo heat treatment and bear the ISPM-15 mark, enabling swift customs clearance. The raised base design facilitates forklift operation, while internal shock-absorbing fastening ensures the products arrive intact. All exterior crates are clearly labeled and comply with international logistics standards.
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Applications:
The MT-GV2 combo is widely deployed across industrial and commercial sectors to ensure continuous, reliable motor operation. Typical use cases include:
Pumps, compressors, and fans
Conveyors and material handling equipment
Machine tools and processing lines
Agricultural and food processing machinery
Renewable energy motor-driven systems
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Zhejiang Mingtuo Electrical Technology Co., Ltd. is a technology-driven enterprise specializing in the research, development, and manufacturing of low-voltage and medium-voltage circuit breakers. Low Voltage Air Circuit Breaker Suppliers. Leveraging Liushi’s comprehensive electrical industry chain and local advantages, we provide reliable and safe electrical protection products along with customized solutions for global industrial, commercial, and residential power distribution systems. We are committed to becoming a trusted electrical protection partner for global customers through professional engineering capabilities, consistent manufacturing quality, and flexible customization services.
Zhejiang Mingtuo Electrical Technology Co., Ltd. welcomed an important client from Central Asia. Following in-depth exchanges and business negotiations, both
Amid the global cross-border e-commerce “New Trade Festival” in full swing this March, Mingtuo Electric has officially launched its “March
Zhejiang Mingtuo Electrical Technology Co., Ltd. welcomed a group of clients from the Democratic Republic of Congo (DRC) in Africa for
Our goal is to help people in the best way possible. this is a basic principle in every case and cause for success. contact us today for a free consultation.Â
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