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What is the appropriate circuit breaker amperage for a one horsepower aircon? 220 V 50 Hz

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Question added by mustafa محمد صادق السيد , Electrical Engineer , rmc
Date Posted: 2016/04/13
Hasan Zainy
by Hasan Zainy , Control / Instrumentation Filed Service Engineer , GE

looking forward for all answers with you

Hamada Elsamman
by Hamada Elsamman , Electrical / instrumentation Engineer , KUWAIT OIL COMPANY (KOC)

One electrical horse power is equal to 0.746 KW

P = I X V X POWER FACTOR  IN KW

I = P/(V X POWER FACTOR ) = 0.746/(220 X .8 ) = 4.2 AMPS

ICB = IR X 1.25 = 4.2 X 1.25 = 5.29 AMPS  nearest mcb rate is 10 amps  

Mushreq Abdulmajeed
by Mushreq Abdulmajeed , Senior Project Supervisor , Lagoon Spring Company

I apologize this is not my field

mujahed mutasim
by mujahed mutasim , Electrical Engineer , TechButtons IT Solutions

simple equation to calculate AMP (P=V*I*cos) from this equation near stander itsA circuit breaker.

Thanks for the invite, I leave the answer to the experts specialists in this field

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