SN EN 61557-1:1997被替代
Electrical Safety In Low Voltage Distribution Systems Up To 1 Kv A.c. And 1,5 Kv D.c. - Equipment For Testing, Measuring Or Monitoring Of Protective Measures - Part 1: General Requirements
出版：Swiss Standards
专家解读视频
Defines the general requirements for measurement and monitoring equipment for testing electrical safety in low voltage distribution systems having nominal voltages to 1000 V a.c. and 1500 V d.c.
DIN EN 61557-1 (2007-12) - Identical
BS EN 61557-1:2007 - Identical
IEC 61557-1 Ed. 2.0 - Identical
NBN EN 61557-1:2007 - Identical
UNE EN 61557-1:2007 - Identical
SS EN 61557-1 Ed. 1 (1998) - Identical
I.S. EN 61557-1:2007 - Identical
NF EN 61557-1:2007 - Identical
