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MARATHON MOTORS Fire Pump Motors, Three Phase, TEFC, Rigid Base, EPAct


Marathon fire pump motors are designed for use in fire sprinkler systems. These units feature a three-phase design that produces a high starting torque as opposed to single-phase motors having the same HP, rpm and frame size. Such motors do not require start / run capacitors, making them suitab...le for high-starting torque applications.Read more

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MARATHON MOTORS 254TTFPA14014A
MARATHON MOTORS 449TTFS14057B
StyleModelVoltageFrameShaft Dia.Overall LengthEfficiencyNameplate RpmMotor Enclosure DesignService FactorPrice
A
254TTFPA14014		230/460V AC254T1 5/8"23 2/3"90.2%1800 RPMTotally Enclosed Fan Cooled1.15€5,002.01
A
254TTFNA14336		230/460V AC254T1 5/8"23 1/2"91%1800 RPMTotally Enclosed Fan Cooled1.15€4,050.45
B
449TTFS14057		460V AC449T3 3/8"51 6/7"95.4%1800 RPMTotally Enclosed Fan Cooled1.15€44,285.71

Features

  • These motors feature TEFC (totally enclosed fan cooled) enclosures that use an external fan to blow air over the frame of the motor to cool it and offer increased protection against dirt and moisture.
  • The motor can be reversed by electrical reconnection and be mounted in a horizontal orientation for user convenience.
  • They incorporate a continuous-duty operation, carrying the maximum constant load without exceeding the stated temperature.
  • They have cast iron construction for structural rigidity and ball bearings for smooth and continuous operation.

Standards and Approvals

  • UL
  • CSA
  • CE

Frequently Asked Questions

What is EPAct?

EPAct stands for energy policy act which states that the minimum efficiency level for all motors (up to 200 hp) must be pre-set under federal standards. By increasing the efficiency of motor systems, there is a greater potential for savings in machine-driven electricity consumption.

Where are fire pump duty motors used?

The fire pump duty motors are designed for environments less prone to dust and moisture, offering maximum ventilation & heat dissipation.

What is Class F insulation?

Class F insulation is ideal for withstanding a maximum temperature of 155 degrees C. It can be upgraded with adhesives, silicone and alkyd-resin varnish of higher thermal endurance to sustain a variety of temperature ranges.

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