how to find motor contactor rating and bimetalic relay
rating? of 30kw motor which will operate on star-delta
starter?
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Answer Posted / elangovan t
You can use Type2 coordination table to find out the
contactor rating and OLR rating.
Normally the OLR should be set at the Full load current
rating of the motor. Hence the OLR may be selected such that
the motor flc lie in the mid range of the relay span
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