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Why rating of motor is given in HP?

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Anonymous

10y ago
Updated: 8/20/2019

Motors are only rated in horsepower in North America, in most other countries, they are rated in watts. The reason for doing so, is that a motor's power is always expressed in terms of its output power -that is the maximum power it can supply to its mechanical load. If, as in North America, a mechanical load is expressed in horsepower, then so is the output of the motor; if, as elsewhere, a mechanical load is expressed in watts, then so is the output of the motor.

Don't forget a horsepower is simply the Imperial unit for power, whereas the watt is the SI (metric) equivalent.

<<>> 1 HP = 746 watts.

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10y ago

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