This part of the IEC 60255 series specifies minimum requirementsfor thermal protection relays. This standard includes specificationof the protection function, measurement characteristics and testmethodologies.
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The input energizing quantities are the measuring signals, suchas phase (or line) currents, and ambient/environmental or windingtemperatures (if required or applicable). Their ratings andrelevant requirements are specified in IEC 60255-1.
Specifies performance requirements for the subfamily. Forms part of a series dealing with measuring relays with more than one input energizing quantity and for which IEC 60255-6 gives the general requirements. 2ff7e9595c
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