WEL7 Series Miniature Circuit Breaker
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Summary Description:
WEL7 series high breaking miniature circuit breaker, with advanced structure, reliable performance, high breaking capacity, beautiful and small appearance. The shell is made of impact-resistant and high flame-retardant materials, and is suitable for overload and short-circuit protection of lines with AC 50/60Hz, rated voltage 230V/400V and rated current up to 125A. It can also be used for infrequent operation and conversion of lines under normal circumstances. Mainly used in industrial, civil construction, energy and infrastructure and other fields of low-voltage terminal power distribution.
Product Parameters
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- Product Parameters
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- Commodity name: WEL7 Series Miniature Circuit Breaker
WEL7 series high breaking miniature circuit breaker, with advanced structure, reliable performance, high breaking capacity, beautiful and small appearance. The shell is made of impact-resistant and high flame-retardant materials, and is suitable for overload and short-circuit protection of lines with AC 50/60Hz, rated voltage 230V/400V and rated current up to 125A. It can also be used for infrequent operation and conversion of lines under normal circumstances. Mainly used in industrial, civil construction, energy and infrastructure and other fields of low-voltage terminal power distribution.
Main technical parameters
Shell frame current: 63A、125A Number of poles: 1P、2P、3P、4P Rated current: 6~125A Overcurrent instantaneous trip type: Type B, Type C, Type D Rated insulation voltage (Ui): 400V Rated voltage: 230V(1P、2P)、400V (3P、4P) Rated short circuit capacity: 4.5~6kA Rated impulse withstand voltage (Uimp): 4kV Mechanical life: 10000 times Electrical life: 6000 times Working and installation environment
Ambient temperature:-5 ℃ ~ 40 ℃, and the average value does not exceed 35 ℃
Atmospheric conditions:The relative humidity of the atmosphere does not exceed 50% at an ambient air temperature of +40°C, and may have a higher relative humidity at lower temperatures, for example up to 90% at 20°C. Special measures should be taken for occasional condensation due to temperature changes.
Altitude:The elevation of the installation site does not exceed 2000m
Protection class:IP20
Pollution level:Level 2
Electromagnetic compatibility:The external magnetic field at the installation site should not exceed 5 times of the geomagnetic field in any direction.
Key words:
Explosion-proof monitoring
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Xiamen Welsh Saint Electric Co., Ltd.
No.96, Tongsheng North Road, Xiangping Street, Tongan District, Xiamen City
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