WEM1ELC series residual current operated circuit breaker
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Summary Description:
WEM1ELC series residual current operated circuit breaker is suitable for low-voltage power grid system with three-phase four-wire neutral point directly grounded (TT). It is used to protect the grounding fault, overcurrent, short circuit, overvoltage, undervoltage, power failure automatic trip and phase loss of line or electrical equipment, and can also provide indirect contact protection for personal electric shock hazard.
Product Parameters
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- Product Parameters
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- Commodity name: WEM1ELC series residual current operated circuit breaker
WEM1ELC series residual current operated circuit breaker is suitable for low-voltage power grid system with three-phase four-wire neutral point directly grounded (TT). It is used to protect the grounding fault, overcurrent, short circuit, overvoltage, undervoltage, power failure automatic trip and phase loss of line or electrical equipment, and can also provide indirect contact protection for personal electric shock hazard.
Main technical parameters
Shell frame current: 125A、250A、400A、630A Rated voltage: 400V Rated current: 40~630A Rated insulation voltage: 1000V Number of poles: 3P N, 4P Frequency: 50HZ Rated ultimate short-circuit breaking capacity (Icu): 50~85kA Rated operating short circuit breaking capacity (Ics): 35~65kA Rated residual operating current I Δn: 50mA/100mA/200mA/300mA/400mA/500mA/800mA/1000mA (grading adjustable) Rated impulse withstand voltage (Uimp): 8kV Function: Rs485 communication, pluggable lightning protection module, infrared communication, etc. Installation method: L:N pole on the left (left zero);R:N pole on the right (right zero) 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% when the surrounding air is +40 ℃, and can have higher relative humidity at lower temperature, such as 90% at 20 ℃; Special measures should be taken for condensation occasionally generated by temperature changes
Altitude:The elevation of the installation site does not exceed 2000m
Installation category:III
Pollution level:Level 3
Usage category:Class B
Electromagnetic compatibility:The magnetic field strength of the external magnetic field at the installation site in any direction does not exceed 5 times of the geomagnetic field
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
Shenzhen Blue Zero Innovation Technology Co., Ltd.
922, Qianhai Chengjin Building, 2320 Yueliangwan Avenue, Liwan Community, Nanshan Street, Nanshan District, Shenzhen
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