Learn More: T-Pad Attenuator Calculation, Formula, ExampleĠ.75kW/1HP Motor Cable, Gland, Lug, Contactor Selection Chart: 1 HP Motor Cable Size Chart, Contactor Size, Relay Sizeġ.1kW/1.5HP Motor Cable, Gland, Lug, Contactor Selection Chart: 1.5 HP Motor Cable Size Chart, Contactor Size, Relay Size Learn More: VA to kVA & kVA to MVA Conversion Calculator Online 0.5HP Motor: 0.5HP Motor cable Size, Contactor Size, Relay Size ChartĠ.55kW/0.75HP Motor Cable, Gland, Lug, Contactor Selection Chart: Description
3 phase motor cable size, Contactor size, Starter selection chart: Note that, we did not include the voltage drop across the cable. Look at the Cable current rating Chart, 2.5Sqmm copper has the ability to carry 18 Amps, hence 2.5sqmm is suitable for 5.5kW/7.5HP motor Hence, the required cable shall able to carry minimum 15A current. Let’s we calculate required cable sizing for 5.5kW/7.5HP motor which is operated at 415V, 0.86pf.įrom our cable size calculator, the full load current of the 5.5kW motor is 10A. Hence the cable rating formula can be written as, The cable size is equal to the 1.5 times of the full load current of the motor/load.
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