美利体育登录入口官网:GB 16917.21-1997
家用和类似用途的带过电流保护的剩余电流动作断路器(RCBO) 第2.1部分:一般规则对动作功能与线路电压无关的RCBO的适用性
Residual current operated circuit-breakers with integral overcurrent protection for household and similar uses (RCBO). Part 2.1: Applicability of the general rules to RCBO functionally independent of line voltage