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Hp vs amps of 120VAC 1 phase 60hz electric motors

120VAC 1 phase 60hz electric motors

For 230VAC 1 phase 60hz electric motors, divide the following values by 2.

Motor horsepower RPM Full Load Amps
1/20 1550 2.5
1/15 1550 2.8
1/12 1725 2.2-2.8
1550 4.1
850 3.2
1/10 1550 3.5
1050 3.4-4.2
1/8 1725 1.8-2.7
1140 3.8
1075 1.8-5.0
1/6 1725 3.3-4.7
1550 4.0-4.8
1140 4.0-4.9
1075 2.4-5.0
1/4 1725 4.4-6.3
1625 3.1-3.6
1140 5.6-6.8
1075 3.4-6.8
850 6.9
1/3 3450 5.6-6.5
1725 5.3-6.8
1140 5.0-7.2
1075 5.1
1/2 3450 9.8
1725 7.0-9.2
1075 7.3
3/4 3450 11.8
1725 11.6
1075 9.5
1 3450 13.0-15.0
1725 13.6-16.0
1-1/2 3450 16.4-19.6
1725 19.6
2 3450 19-23

 

The are only intended to be guidelines and in all cases the full load amps of the motor nameplate should be used for final calculations.

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