40.20 Feb 13, 2026
PRVC May 8, 2026
IEC
TC 23/SC 23E
International Standard
PROJECT
IEC 63053-2 ED1
40.20
DIS ballot initiated: 12 weeks
Feb 13, 2026
Residual current operated circuit-breakers for household and similar uses for dc systems - Part 2: Residual current operated circuit breakers without integral overcurrent protection (DC-RCCBs)
40.20 DIS ballot initiated: 12 weeks
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