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PDF Standards IEC 62873-3-3 Ed. 2.0 en:2022

Residual current operated circuit-breakers for household and similar use – Part 3-3: Specific requirements for RCDs with screw-type terminals for external untreated aluminium conductors and with aluminium screw-type terminals for use with copper or with aluminium conductors
standard by International Electrotechnical Commission, 11/01/2022

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