The IDB 2 type residual current operated protection tester was introduced.
介绍了IDB 2型剩余电流动作保护测试仪。
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.
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。
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