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MARATHON MOTORS Attic Fan Motors, Split Phase, Open Air Over, Resilient Base

Marathon attic fan motors are designed to power HVAC equipment like roof ventilators, air coolers, belt-drive fans and air circulators. They generally replace damaged belt-drive motors having the exact specifications in HVAC applications.

Filter
Assembly: F1 ONLY , Hz: 60 , Insulation Class: B , Mounting: Resilient Base , Orientation: Horizontal , Phase: 1 , Rotation: SELECTIVE CCW , Service Factor: 1.0 , Thermal Protection: Automatic Protector , Voltage: 115
StyleModelRPMDutyEnclosureFrameFull Load AmpsHPkWNEMA DesignPrice
A
048S17D997
1800CONTINUOUSAOMDPAO486.61/30.25NO DESIGN CODE£385.78
B
056S17D2062
1800ContinuousDP56Y7.81/20.37NO DESIGN CODE£377.34
C
048S17D7209
1800,1200ContinuousDP485.3,2.91/3,1/90.2462VT£376.71

Features

  • These Marathon attic fan motors produce variable torque in two-speed motor settings.
  • The models having a 48Y frame feature 48/56 frame mounting holes.
  • The 56YZ frame motors have a shaft height of 3 inches, shaft diameter of 1/2 inches and an adapter (with keyway) of 5/8 inches.
  • These motors come with an auto overload feature for preventing overcurrent situations.

Standards and Approvals

  • UL
  • CSA

Frequently Asked Questions

What is the maximum ambient temperature of Marathon attic fan motors?

These Marathon attic fan motors provide a maximum ambient temperature of 40 degrees C.

What are the different types of motor rotation direction codes?

CWLE, CCWLE, CWSE & CCWSE are some of the different types of motor rotation direction codes. These codes indicate whether the motor shaft rotates clockwise (CW) or counter-clockwise (CCW) as seen from the shaft end (SE) or from the lead end (LE).

Which grease is ideal for the motor's bearings?

Polyrex EM grease is ideal for motor bearings. It handles high temperatures (up to 300 degrees F) under confined conditions.

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