The QIHANG QHM1DC-250 3P Photovoltaic DC Molded Case Circuit Breaker is specially designed for protection and isolation in photovoltaic DC power systems. Engineered for high-voltage DC applications up to 1140V, this breaker provides stable and dependable protection for solar combiner boxes, DC distribution panels, and photovoltaic power systems.
The QHM1DC series offers reliable overload and short-circuit protection with a breaking capacity of 50kA, helping safeguard photovoltaic equipment and electrical circuits from potential fault damage. Its 3-pole configuration ensures stable operation and effective circuit isolation in DC distribution systems.
With a durable molded case structure and high-quality copper conductive components, the breaker is designed to withstand demanding operating conditions while maintaining consistent performance. It is suitable for solar power stations, commercial photovoltaic installations, and industrial energy systems that require reliable DC protection.
Key Features
• Model: QHM1DC-250
• Poles: 3P
• Rated voltage: 1140V
• Breaking capacity: 50kA
• Trip unit technology: Thermal-Magnetic, Electronic
• Material: Plastic housing with copper conductor
• Designed for photovoltaic DC power systems
• Reliable overload and short-circuit protection
Typical Applications
• Solar photovoltaic DC distribution panels
• PV combiner boxes
• Solar power stations and distributed PV systems
• Industrial DC electrical systems
• OEM photovoltaic equipment and panel builder solutions
| Breaking Capacity | 50KA | Rated Voltage | 1140V |
| Trip Unit Technology | Thermal-Magnetic, Electronic | Rated Frequency (Hz) | 50/60HZ |
| Material | Plastic, Copper | Place of Origin | Zhejiang, China |
| Model Number | QHM1DC-250 | Brand Name | QIHANG |
| Function | Isolation | Support | ODM OEM |
| Application | Household electronic devices for the industry | Rod | 2 |
| Short name of the equipment | Photovoltaic circuit breaker | Warranty | One year |
| Selling Units | Single item | ||
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