You need to also multiply by 'root3' as there are three phases, then by the 'Power Factor', usually around 0.8 for a 7.5HP motor. This should make your calculation correct. Regards - Colin
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You need to also multiply by 'root3' as there are three phases, then by the 'Power Factor', usually around 0.8 for a 7.5HP motor. This should make your calculation correct. Regards - Colin
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