Specifies the general requirements for measuring and monitoring equipment for testing the electrical safety in low voltage distribution systems with nominal voltages up to 1000 V a.c. and 1500 V d.c.
IEC 61557-1 Ed. 1.0 b:1997 History
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IEC 61557-1 Ed. 2.0 b:2007
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IEC 61557-1 Ed. 1.0 b:1997
$30.00 $60.00
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