Electromagnetic trip is key element of low voltage circuit breaker used for instantaneous current protection.

电磁脱扣器是低压断路器用于瞬时电流保护的重要元件.

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The primary inverter driving circuit circuit , protection circuits for overheat low voltage circuit are introduced specially.

重点介绍了一次逆变的驱动电路及过流、过热、过压保护电路.

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Introduction was made to a kind of low voltage circuit breaker with power quality monitoring.

介绍了一种具有电能质量监测的低压断路器.

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