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MARATHON MOTORS Close-Coupled Pump Motors, JM, Single Phase, Totally Enclosed


Marathon closed-coupled pump motors are designed for commercial and industrial pumping applications. These pumps have rugged impellers directly mounted on the motor shaft in damp, dirty or dusty environments.

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MARATHON MOTORS 184TBFW7315A
MARATHON MOTORS 213TBFW7010B
MARATHON MOTORS 215TBFW7010C
StyleModelHpNameplate RpmService FactorConduit Box PositionOverall LengthEfficiencyMotor Shaft DesignBolt Circle Dia.Price
A
184TBFW7315		5 hp3530 RPM1F118 9/16"82.5%Keyed5 7/8"€1,169.76
B
213TBFW7010		7 1/2 hp3465 RPM1F1, F220 9/16"81.5%JM Threaded7 1/4"€1,671.39
C
215TBFW7010		10 hp3500 RPM1.15F1, F222 1/16"83.8%Keyed, Threaded7 1/4"€2,036.51

Features

  • They come with mechanically locked, ball bearings for exhibiting low frictional loss and allow smooth & continuous operation.
  • These single-phase motors feature a capacitor start / capacitor run design to produce higher starting torque in heavy-duty pumps.
  • They have TEFC (totally enclosed fan-cooled) enclosures that use an external fan to blow air over the frame of the motor and prevent them from overheating.
  • They incorporate a continuous-duty operation, carrying the maximum constant load without exceeding the stated temperature.

Standards and Approvals

  • UL
  • CSA

Frequently Asked Questions

How to maintain the motor?

To ensure the motor is running smoothly, keep checking the internal parts regularly / occasionally and use lubricated sealed bearings to work on overloads and exhibit low friction.

What is the advantage of rigid base mounting?

In rigid base mounting, the motor is connected to the frame of the equipment by bolts and fasteners. This type of mounting reduces excessive vibrations caused during motor start-up and provides an accurate alignment between the motor and the surrounding mechanisms.

What is SF in a motor?

SF stands for service factor, designed as a standard number to determine how much a motor can be loaded intermittently within the highest temperature range.

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