WEM2 Series Plastic Case Circuit Breaker
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Summary Description:
WEM2 series plastic case circuit breakers are suitable for distribution network circuits with AC 50Hz, rated working voltage to 690V and rated working current of 6A to 800A to distribute electric energy and protect lines and power supply equipment from overload, short circuit, undervoltage and other faults. At the same time, it can also be used as the infrequent starting and overload, short circuit and undervoltage protection of the motor. Won the two patents of utility model and appearance model issued by the State Intellectual Property Office; it has the characteristics of high strength and high insulation. The modular design of the base contact, with isolation function.
Product Parameters
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- Product Parameters
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- Commodity name: WEM2 Series Plastic Case Circuit Breaker
WEM2 series plastic case circuit breakers are suitable for distribution network circuits with AC 50Hz, rated working voltage to 690V and rated working current of 6A to 800A to distribute electric energy and protect lines and power supply equipment from overload, short circuit, undervoltage and other faults. At the same time, it can also be used as the infrequent starting and overload, short circuit and undervoltage protection of the motor. Won the two patents of utility model and appearance model issued by the State Intellectual Property Office; it has the characteristics of high strength and high insulation. The modular design of the base contact, with isolation function.
Main technical parameters
Shell frame current: 63A、100A、250A、400A、630A、800A Rated voltage: 400/690V Rated current: 6~800A Rated insulation voltage: 1000V Number of poles: 3P、4P Frequency: 50HZ Rated ultimate short-circuit breaking capacity (Icu): 85~115kA（400V）
20kA（690V）
Rated operating short circuit breaking capacity (Ics): 50~85kA（400V）
10kA（690V）
Operation mode: Electric/manual/rotating handle Installation method: Board front wiring, board rear wiring, plug-in board front wiring, plug-in board rear wiring, pull-out type 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
Installation category:The installation category of the main circuit and undervoltage tripping of the circuit breaker is III, and the installation category of the other auxiliary circuits and control circuits is II.
Pollution level:Level 3
Protection class:IP30
Usage category:Class A
Installation angle:The maximum installation inclination angle of the circuit breaker is ± 22.5 °
Key words:
Explosion-proof monitoring
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Xiamen Welsh Saint Electric Co., Ltd.
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