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 / thakur
Full Load Current of Motor-52Ampas per(415.1.732.0.8)
Usually we are using any protective divece/conducter 1.5
time of higher side.then Contactor Carrying Capacity Will
be-80amp and Over Load relay Capaciry wil be-80 Amp and its
over load setting will be-30 amp as per (LI/1.732)
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