WEM2L Series Moulded Case Leakage Circuit Breaker
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Summary Description:
WEM2L series leakage circuit breaker is suitable for infrequent conversion and motor protection in circuits with AC 50Hz/60Hz, rated working voltage of 400V and rated current of 630A. The circuit breaker has overload, short circuit and under voltage protection function, can protect the line and power equipment from damage, at the same time can provide indirect contact protection to people, but also can be over-current protection can not detect the long-term existence of ground fault may cause fire hazard protection. In the event of failure of other protection devices, the circuit breaker with a rated residual operating current of 30mA can provide additional protection for direct contact with people.
Product Parameters
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- Product Parameters
- Certificate
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- Commodity name: WEM2L Series Moulded Case Leakage Circuit Breaker
WEM2L series leakage circuit breaker is suitable for infrequent conversion and motor protection in circuits with AC 50Hz/60Hz, rated working voltage of 400V and rated current of 630A. The circuit breaker has overload, short circuit and under voltage protection function, can protect the line and power equipment from damage, at the same time can provide indirect contact protection to people, but also can be over-current protection can not detect the long-term existence of ground fault may cause fire hazard protection. In the event of failure of other protection devices, the circuit breaker with a rated residual operating current of 30mA can provide additional protection for direct contact with people.
Main technical parameters
Shell frame current: 125A、250A、400A、630A Rated voltage: 230V（2P）、
400V(3P, 3P N, 4P)
Rated current: 10~630A Rated insulation voltage: 1000V Number of poles: 2P, 3P, 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: 50mA, 100mA, 200mA, 300mA, 500mA, 800mA (optional three-gear grading adjustable) Rated impulse withstand voltage (Uimp): 8kV 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% 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:The installation category of the main circuit of the circuit breaker is III, and the installation category of the other auxiliary circuits and control circuits is II.
Pollution level:3
Usage category:Class A
Electromagnetic compatibility:Circuit breaker for electromagnetic environment 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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