WEM2ELC series residual current operated circuit breaker
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Summary Description:
WEM2ELC series residual current operated circuit breakers are suitable for low-voltage distribution networks with three-phase four-wire neutral point directly grounded (TT). It is used to provide indirect contact protection; to prevent fire hazard caused by ground fault current due to equipment insulation damage; the well can be used to distribute electric energy and protect the overload and short circuit of the line; it has protection function for overvoltage, undervoltage and phase loss of the line.
Product Parameters
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- Product Parameters
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- Commodity name: WEM2ELC series residual current operated circuit breaker
WEM2ELC series residual current operated circuit breakers are suitable for low-voltage distribution networks with three-phase four-wire neutral point directly grounded (TT). It is used to provide indirect contact protection; to prevent fire hazard caused by ground fault current due to equipment insulation damage; the well can be used to distribute electric energy and protect the overload and short circuit of the line; it has protection function for overvoltage, undervoltage and phase loss of the line.
Main technical parameters
Shell frame current: 125A、250A、400A、630A、800 Rated voltage: 400V Rated current: 50~800A Rated insulation voltage: 1000V Number of poles: 3P N, 4P Frequency: 50HZ Rated ultimate short-circuit breaking capacity (Icu): 50~65kA Rated operating short circuit breaking capacity (Ics): 35~50kA Rated residual operating current I Δn: 30mA, 50mA, 100mA, 200mA, 300mA, 400mA, 500mA, 800mA, 1000mA (grading adjustable) Rated impulse withstand voltage (Uimp): 12kV Function: Rs485 communication, etc. Installation method: 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.
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