汇流排联络断路器保护：长延时过流、瞬时过流保护。
Protection of bus-tie circuit breakers: long time delay overcurrent and instantaneous overcurrent.
一个简单的电路断路器提供精密过压和过流保护。
A simple circuit breaker delivers precision overvoltage protection and overcurrent protection.
试从原理入手并结合相关规范，对带过流保护的剩余电流动作断路器误接线进行分析。
The present paper makes analysis of false wiring of residual current operated circuit-breaker with interal overcurrent protection based on its operation principle in combination with related code.
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