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50 Hertz

50 hertz motors are built with standard NEMA frames, but are engineered to operate on single or three phase, 50 hertz power frequency. A motor's RPM is directly proportional to the hertz; lower frequency motors run slower than units with higher frequency. Cooling is also affected by the rotational speed since the fan is attached to the shaft. Therefore, if the motor is running slower, it is getting cooled less and can overheat. Typically, motors in the United States run on 60 hertz. 

 

Can you run a 50Hz motor on 60Hz power?

 

If you install a 50 Hz motor on 60 Hz power, the equipment will run 20% faster and have that much more power demand. You may be able to compensate for the speed by changing the pulley, but amperage will also be impacted. Once the machine is running, use a ammeter to check the FLA to see if it reads within the nameplate readings. If the amps are too high, premature motor failure can occur; you may need to reduce the load or install a vfd. 

 

 

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  1. Marathon H957

    15HP 1500RPM 254T DP 190-208/380-416V 3PH Marathon Motor H957

    Marathon Electric provides a complete line of electric motors for most industrial and commercial needs. Marathon’s extensive line of Motor General Purposes are available in Open Drip-proof and TEFC construction in both single and three phase. Designed for "General Purpose" use means that these motors can be used in applications which include compressors, Pumps, fans, conveyors, material handling, machine tools and many others.

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    Regular Price:

    $1,341.00

    Special Price:

    $871.65

  2. Marathon H956

    10HP 1500RPM 215T DP 190-200-208/380-400-415V 3Ph Marathon Motor H956

    Marathon Electric provides a complete line of electric motors for most industrial and commercial needs. Marathon’s extensive line of Motor General Purposes are available in Open Drip-proof and TEFC construction in both single and three phase. Designed for "General Purpose" use means that these motors can be used in applications which include compressors, Pumps, fans, conveyors, material handling, machine tools and many others.

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    Regular Price:

    $1,013.00

    Special Price:

    $658.45

  3. Marathon H955

    7.5HP 1500RPM 213T DP 190-208/380-416V 3PH Marathon Motor H955

    Marathon Electric provides a complete line of electric motors for most industrial and commercial needs. Marathon’s extensive line of Motor General Purposes are available in Open Drip-proof and TEFC construction in both single and three phase. Designed for "General Purpose" use means that these motors can be used in applications which include compressors, Pumps, fans, conveyors, material handling, machine tools and many others.

    Learn More

    Regular Price:

    $851.00

    Special Price:

    $553.15

  4. Marathon H954

    5HP 1500RPM 184T DP 190-208/380-416V 3PH Marathon Motor H954

    Marathon Electric provides a complete line of electric motors for most industrial and commercial needs. Marathon’s extensive line of Motor General Purposes are available in Open Drip-proof and TEFC construction in both single and three phase. Designed for "General Purpose" use means that these motors can be used in applications which include compressors, Pumps, fans, conveyors, material handling, machine tools and many others.

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    Regular Price:

    $648.00

    Special Price:

    $421.20

  5. Marathon KG319

    2HP 1425RPM 145T DP 200/380V 3PH Marathon Motor KG319

    Marathon Electric provides a complete line of electric motors for most industrial and commercial needs. Marathon’s extensive line of Motor General Purposes are available in Open Drip-proof and TEFC construction in both single and three phase. Designed for "General Purpose" use means that these motors can be used in applications which include compressors, Pumps, fans, conveyors, material handling, machine tools and many others.

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    Regular Price:

    $458.00

    Special Price:

    $297.70

  6. Marathon H952

    2HP 1500RPM 145T DP 3PH Marathon Motor H952

    Marathon Electric provides a complete line of electric motors for most industrial and commercial needs. Marathon’s extensive line of Motor General Purposes are available in Open Drip-proof and TEFC construction in both single and three phase. Designed for "General Purpose" use means that these motors can be used in applications which include compressors, Pumps, fans, conveyors, material handling, machine tools and many others.

    Learn More

    Regular Price:

    $458.00

    Special Price:

    $297.70

  7. EM2513T-58

    15HP 1460RPM 254T OPSB 400V 3PH Baldor Motor EM2513T-58

    This Baldor Electric motor is suitable for a wide variety of applications where only 50 Hz power is available. Motors are designed to be used at rated voltages with tolerance of ± 15% on voltage.

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    Regular Price:

    $2,581.00

    Special Price:

    $1,445.36

  8. H673 Marathon Motor

    H673 Marathon Motor 1/3HP 1425RPM 56Z DP 220V 3Ph 50Hertz

    Buy Marathon H673 for a top selling new fan and blower motor that is built to last. Model 5KH33KN5594. NOTE: THIS IS A 220 VOLT, 50 HERTZ MOTOR.

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    Regular Price:

    $242.00

    Special Price:

    $157.30

  9. HG692 Marathon Motor

    HG692 Marathon Motor 1/3HP 1425RPM 56Z DP 110/220V 1Ph 50Hertz

    Buy Marathon HG692 for a top selling new fan and blower motor that is built to last. Model 5KH36LN489X. PLEASE NOTE: THIS IS A 220 VOLT, 50 HERTZ MOTOR.

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    Regular Price:

    $254.00

    Special Price:

    $165.10

  10. H645 Marathon Motor

    H645 Marathon 50Hz Motor 1/4HP 1425RPM 48 DP 220V 1Ph 5KH39QNB810

    Marathon H645 split phase motor is ideal for fans and blowers and features a tough steel frame and special shaft. Model 5KH39QNB810. NOTE: THIS IS A 220 VOLT, 50 HERTZ MOTOR.

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    Regular Price:

    $223.00

    Special Price:

    $144.95

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