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 / ashish
FOR 30 KW MOTOR CONTACTOR RATING IS AS PER KW MENS 1 KW FOR
1 AMP CONTACTOR FOR SD STARTER FOR 30 KW MOTOR 30 AMP
CONTACTOR AND RELAY SET ON MOTOR FULL LOAD AMP. MULTIPLY BY
(.64).
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