Ревидиран
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.
ПОВУЧЕН
IEC 61557-1:1997 ED1
99.60
Повлачење ступило на снагу
29. 1. 2007.
ПОВУЧЕН
IEC 61557-1:2007 ED2