美利体育登录入口官网:GB 16916.21-1997
家用和类似用途的不带过电流保护的剩余电流动作断路器(RCCB) 第2.1部分;一般规则对动作功能与线路电压无关的RCCB的适用性
Residual current operated circuit-breakers without integral overcurrent protection for household and similar uses (RCCB). Part 2.1: Applicability of the general rules to RCCB functionally independent of line voltage