QIHANG QHW1-1600 3P Universal Circuit Breaker (630A, 400V, 80kA)
The QIHANG QHW1-1600 3P Universal Circuit Breaker is a frame-type low voltage protection device designed for stable distribution and reliable circuit protection in industrial and commercial power systems. With a 630A working current, 400V rated voltage, and 80kA breaking capacity, it provides dependable interruption performance for main distribution boards and critical power circuits.
This model uses a thermomagnetic tripping unit to respond accurately to overload and short-circuit faults, helping protect switchboards, cables, and downstream equipment. With a 1000V insulation voltage (Ui) and AC 50/60Hzfrequency rating, it is suitable for a wide range of distribution and protection applications, including industrial facilities and building power systems.
Built with durable plastic and copper materials and supported by ODM/OEM service, the QHW1-1600 is a solid choice for panel builders, EPC contractors, and distributors who require stable quality and export-ready supply.
Typical Applications
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Main distribution panels and switchboards
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Industrial power systems and production facilities
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Commercial building distribution
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Protection and distribution applications
Product Attributes
| Breaking Capacity | 80kA | Rated Voltage | 400V |
|---|---|---|---|
| Working Current | 630A | Application | Households, Industrial, Protection |
| Protection | Others | Rated Frequency (Hz) | AC 50/60Hz |
| Place of Origin | Zhejiang, China | Model Number | QHW1-1600 3P |
| Brand Name | QIHANG | Support | ODM / OEM |
| Rated Insulation Voltage Ui | 1000V | Rated | 80kA |
| Warranty | One year | Tripping Unit Technology | Thermomagnetic |
| Material | Plastic copper | ||
Packaging & Delivery
| Selling Units | Single item | Single Package Size | 60 × 80 × 70 cm |
|---|---|---|---|
| Single Gross Weight | 50.000 kg | ||









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