GB/T 37751.31-2019
ActiveResidual current operated circuit-breakers for household and similar use—Part 3-1:Particular requirements for RCDs with screwless-type terminals for external copper conductors
家用和类似用途的剩余电流动作断路器 第3-1部分:具有连接外部铜导线的无螺纹型接线端子的RCD的特殊要求