IS 12640 : Part 4 : 2018 ( IEC 61008-2-2 : 1990)    

Residual Current Operated Circuit- Breakers Without Integral Overcurrent Protection for Household and Similar Uses (RCCB's) Part 4 Applicability of the General Rules to RCCB's Functionally Dependent on Line Voltage

Technical Committee : ETD 7

Status : Active