IEC 61557-6 specifies the requirements for measuring equipment applied to the testing of the effectiveness of protective measures by regular disconnections of residual current protective devices (RCD) in TT, TN and IT systems.
IEC 61557-6 Ed. 3.0 b:2019 History
IEC 61557-6 Ed. 3.0 b:2019
$47.00 $95.00
IEC 61557-6 Ed. 2.0 b:2007
$41.00 $82.00
IEC 61557-6 Ed. 1.0 b:1997
$18.00 $37.00
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