IEC 61557-1 specifies the general requirements for measuring and monitoring equipment for testing the electrical safety in low voltage distribution systems with nominal voltages up to 1 000 V a.c. and 1 500 V d.c. When measuring equipment or measuring installations involve measurement tasks of various measuring equipment covered by this series of standards, then the part of this series of standards relevant to each of the measurement tasks is applicable.
IEC 61557-1 Ed. 3.0 b:2019 History
IEC 61557-1 Ed. 3.1 en:2024
$174.00 $348.00
IEC 61557-1 Ed. 3.0 b:2019
$95.00 $190.00
IEC 61557-1 Ed. 2.0 b:2007
$58.00 $117.00
IEC 61557-1 Ed. 1.0 b:1997
$30.00 $60.00
More Standards PDF
IEC 60335-2-42 Ed. 5.0 b:2002
$58.00 $117.00
IEC 60335-2-58 Ed. 3.0 b:2002
$117.00 $235.00
IEC 61156-5-1 Ed. 1.0 en:2002
$18.00 $37.00
IEC 60335-2-85 Ed. 2.0 b:2002
$44.00 $89.00