IEC 60255-151:2009 ED1

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

Publication date:   Aug 28, 2009

General information

60.60 Standard published   Aug 28, 2009

IEC

TC 95

International Standard

29.120.70   Relays

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Scope

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.

Life cycle

PREVIOUSLY

WITHDRAWN
IEC 60255-3:1989 ED2

NOW

PUBLISHED
IEC 60255-151:2009 ED1
60.60 Standard published
Aug 28, 2009