SR EN 60255-151:2010

Measuring relays and protection equipment -- Part 151: Functional requirements for over/under current protection

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.

55.93

Status : Valid
Approval date : 4/30/2010
Publish date : 5/2/2010
Number of pages : 69
ICS : 29.120.70 Relays
Technical Committee : 23 - Industrial -process measurement and control

Relations with other standards: