60.60 Standard published Oct 23, 2009
CENELEC
CLC/TC 95X Measuring relays and protection equipment
European Norm
29.120.70 Relays
IEC 60255-151:2009 specifies minimum requirements for over/under current relays. It includes a specification of the protection function, measurement characteristics and time delay characteristics. Defines the influencing factors that affect the accuracy under steady state conditions and performance characteristics during dynamic conditions.
PUBLISHED
EN 60255-151:2009
60.60
Standard published
Oct 23, 2009