BS EN 60255-151:2009
Measuring relays and protection equipment - Functional requirements for over/under current protection

Standard No.
BS EN 60255-151:2009
Release Date
2010
Published By
British Standards Institution (BSI)
Status
 2010-08
Replace By
BS EN 60255-151:2010
Latest
BS EN 60255-151:2010
Scope
This part of IEC 60255 specifies minimum requirements for over/under current relays. This standard includes a specification of the protection function, measurement characteristics and time delay characteristics. This part of IEC 60255 defines the influencing factors that affect the accuracy under steady state conditions and performance characteristics during dynamic conditions. The test methodologies for verifying performance characteristics and accuracy are also included in this standard.

BS EN 60255-151:2009 history

  • 2014 BS EN 60255-127:2014 Measuring relays and protection equipment. Functional requirements for over/under voltage protection
  • 1998 BS EN 60255-3:1998 Electrical relays - Single input energizing quantity measuring relays with dependent or independent time
Measuring relays and protection equipment - Functional requirements for over/under current protection



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