KS C IEC 61557-11:2013
交流1000V和直流1500V以下低壓配電系統(tǒng)電氣安全.防護檢測的試驗、測量或監(jiān)控設(shè)備.第11部分:TT、TN及IT系統(tǒng)的殘留A型及B型的電流監(jiān)視器的效果性
Electrical safety in low voltage distribution systems up to 1 000 V a.c. and 1 500 V d.c.－Equipment for testing, measuring or monitoring of protective measures－Part 11：Effectiveness of residual current monitors (RCMs) type A and type B in TT, TN and IT sy