Marathon Motors Fan Motor, 3-Phase 208–230/460 V, 1140 RPM, Frame 56Y, 5K49ZN6391S

Part Number : 5K49ZN6391S

Brand :
Marathon Motors

Heavy-duty Marathon Motors condenser/air-handler fan motor delivering 1140 RPM from a 3-phase, dual-voltage 208–230/460 V design. 56Y frame, reversible rotation, Class-F insulation, built-in thermal protection, and permanently lubricated bearings for reliable HVAC service.

HD52AK653 is an OEM reference code that cross-references to Marathon Motors model 5K49ZN6391S fan motor.

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KWD 610.000

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Description
Specifications
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Description

The Marathon Motors 5K49ZN6391S is an OEM-grade HVAC fan motor built for continuous air-over duty. It pairs 1140 RPM performance with a compact 56Y frame and 3-phase, 208–230/460 V operation, featuring reversible rotation, Class-F insulation, integral thermal protection, and permanently lubricated (locked) bearings for low maintenance and long service life in condenser and air-handler applications.

Key Features

• 1 HP, 3-phase, dual-voltage 208–230/460 V, 60 Hz

• 1140 RPM for condenser/air-handler duty

• Frame 56Y with 5/8" shaft diameter and 3-5/8" shaft length

• Reversible rotation for flexible installation

• Class-F insulation with built-in thermal protection

• Permanently lubricated (locked) bearings; no external capacitor required

• Continuous air-over duty for HVAC service

Applications

• Condenser fan drives in commercial and industrial HVAC system

• Air-handler/blower assemblies requiring a 56Y frame motor

• Rooftop and split-system units needing a 3-phase, dual-voltage replacement

• General HVAC maintenance and retrofit where 1140 RPM and 56Y fit are specified

Specifications

Voltage
Choose the voltage require to operate the valve.AC stands for alternating current, DC for direct current.
208–230/460 V (dual-voltage)
Frequency
60 Hz
Phase
3
Full-load amps
6.5–6.6 / 3.3
Speed (RPM)
1140
Rotation
Reversible
Frame
56Y
Shaft Diameter
5/8" / 16 mm
Shaft length
3-5/8"
Insulation / protection
Class-F; thermally protected
Bearings
Locked; permanently lubricated
Duty
Continuous air over (HVAC condenser/air-handler)

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