The QIHANG QHM1HU-400 3P DC Solar Photovoltaic Molded Case Circuit Breaker is designed for reliable protection and isolation in solar photovoltaic DC power systems. Built for high-performance applications, this breaker ensures stable and safe operation in PV combiner boxes, DC distribution panels, and solar energy installations.
The QHM1HU series provides dependable overload and short-circuit protection, helping protect photovoltaic equipment and electrical circuits from potential damage caused by electrical faults. Its 3-pole configuration supports stable operation in DC distribution systems commonly used in solar power applications.
Featuring a durable molded case construction and high-quality copper conductive components, the breaker delivers long service life and consistent performance even in demanding environments. It is suitable for commercial solar installations, industrial photovoltaic systems, and large-scale solar power plants that require reliable circuit protection.
Key Features
• Model: QHM1HU-400
• Poles: 3P
• Designed for solar photovoltaic DC power systems
• Reliable overload and short-circuit protection
• Durable molded case structure
• High-quality copper conductive components
• Stable performance in DC distribution applications
• Suitable for photovoltaic combiner boxes and DC panels
Typical Applications
• Solar photovoltaic DC distribution panels
• PV combiner boxes
• Solar power stations and large-scale PV systems
• Commercial and industrial photovoltaic installations
• OEM solar equipment and panel builder solutions
| Breaking Capacity | 50KA | Rated Voltage | 1140V |
| Trip Unit Technology | Electronic, Thermal-Magnetic | Material | Plastic, Copper |
| Place of Origin | Zhejiang, China | Model Number | QHM1HU-400 |
| Brand Name | QIHANG | Function | Isolation |
| Support | ODM OEM | Application | Household electronic devices for the industry |
| rod | 3P | Short name of the equipment | Photovoltaic circuit breaker |
| Warranty | One year |
| Selling Units | Single item |










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