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IEC 60255-151:2009

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

General information
Valid from 28.08.2009
Directives or regulations
None

Standard history

Status
Date
Type
Name
28.08.2009
Main
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.
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