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NEMA Standard Motors

Built to the NEMA standard at 60 Hz for the North American market — T-frames, NEMA voltages, CSA and US efficiency certification.

NEMA Premium efficiency three-phase induction motor

NEMA PE

Premium Efficiency, NEMA MG 1

NEMA MG 1Design B60 Hz
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NEMA JM / JP close-coupled pump motor

NEMA JM / JP PE

Close-coupled pump duty

JM / JP pump shaft1–75 HPCSA Class I Div 2
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NEMA Design D oil well pump motor

NEMA D

Oil well pump duty

Design DSlip ≥ 5%High starting torque
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Technical articles on these series

How to Check If a Motor Nameplate's HP Is Inflated

A clamp meter and a published full-load current table are enough to catch an inflated horsepower rating. Here is the method, with worked numbers.

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NEMA MG 1 Explained: What the US Motor Standard Covers

MG 1 is what makes one manufacturer's motor a drop-in for another's. Five things it decides for you — and two IEC systems it carries inside itself.

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Oil Well Pump Motors: Why NEMA Design D Is Specified

A pumping unit asks for torque twice per stroke and gives some back in between. That load shape, not horsepower, is what selects the motor.

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Comparing across families, or filtering by power, voltage and protection?See the full range with filters. If the duty falls outside what these series publish, tell us the application — custom builds cover ratings the standard series do not.