SS EN 61557-1 Ed. 2 (2007)現行
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：Standardiserings-Kommissionen I Sverige
專家解讀視頻
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.
1ED 1998 is still active. (01/2008)
SN EN 61557-1:2007 - Identical
NBN EN 61557-1:2007 - Identical
IEC 61557-1 Ed. 2.0 - Identical
BS EN 61557-1:2007 - Identical
DIN EN 61557-1 (2007-12) - Identical
DIN EN 61557-1:2007 - Identical
NF EN 61557-1:2007 - Identical
I.S. EN 61557-1:2007 - Identical
UNE EN 61557-1:2007 - Identical
