99.60 Withdrawal effective Jun 28, 2016
CENELEC
CLC/TC 95X Measuring relays and protection equipment
European Norm
29.120.70 Relays
IEC 60255-11:2008 specifies the general requirements for a.c. and d.c. power supplies, for measuring relays and protection equipment for power system protection, including the control, monitoring and process interface equipment used with those systems. The objective of the tests is to confirm that the equipment under test will operate correctly when energised and subjected to dips, interruptions and alternating components (ripple). The main differences with respect to the previous edition are as follows: addition of voltage dips and interruptions test in a.c.; addition of gradual shut-down/start-up test; addition of reversal of d.c. power supply polarity test.
WITHDRAWN
EN 60255-11:2010
99.60
Withdrawal effective
Jun 28, 2016
PUBLISHED
EN 60255-26:2013