GT3136A Close Coupled Pump Motors by Marathon Motors

Marathon GT3136A 50 HP 230/460V 3600 RPM 326JM TEFC 3-Phase Motor

Close Coupled Pump Motors Pump

Powered by Marathon’s century-long heritage of American engineering excellence, the Marathon GT3136A Close Coupled Pump Motors is built to deliver robust performance, high efficiency, and consistent torque across demanding industrial and commercial applications. With key specifications including 50 HP, 230/460 V, 3600 RPM, a durable 326JM frame, and 113.0/56.5 Amps, this motor provides reliable, stable operation from the moment it is installed.

Constructed using premium materials and Class F insulation, the GT3136A features a rugged TEFC enclosure designed to withstand harsh environments, including high-moisture, dusty, and heavy-load conditions. Engineered for continuous Continuous duty, it delivers reduced thermal stress, lower vibration, and long-lasting durability, even in severe-duty or inverter-driven applications.

Designed for versatility, the Marathon GT3136A Close Coupled Pump Motors performs exceptionally well in pumps, compressors, HVAC systems, conveyors, material-handling equipment, agricultural machinery, and OEM industrial systems. Its Rigid Base configuration and broad NEMA/IEC compatibility make integration simple for both new installations and direct replacement scenarios.

Backed by Marathon’s reputation for durability, energy efficiency, and industry-proven reliability, this motor offers an excellent balance of performance and long service life. Electracore is your trusted Canadian supplier of genuine Marathon motors, providing expert technical guidance and fast nationwide delivery.

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BrandMarathon
General CategoryPump > Close-Coupled Pump Motors
Product CategoryPump Motors
Sub CategoryClose-Coupled Pump Motors
Horsepower50
Voltage230/460
RPM3600
Amps113.0/56.5
Frequency60
Frame326JM
EnclosureTEFC
RotationReversible
MountingRigid Base
Hazardous LocationDIVISION 2 T2B
Max Ambient40°C
Phases3
Assemblybox MountingF1/F2 CAPABLE
Motor OrientationHorizontal
Motor TypeSquirrel Cage Inverter Rated
Number Of Poles2
CSA CertifiedYes
CE CertifiedYes
Duty CycleContinuous
Efficiency94.1
Insulation ClassF
IP Rating55
KVA CodeG
NEMA DesignB
Starting TypePart Wdg Start Low Volt Only & Wye Start Delta Run Or Inverter
Overload ProtectorNo Protection
Power Rating In Kw37.0
Speeds1
Power Factor89
Service Factor1.15
Resistance Main.128
Speed23568
De Bearing Size6312
De Bearing TypeBall
Ode Bearing Size6212
Ode Bearing TypeBall
Dim UnitIN
Length31.77
Width28.03
Height28.14
Shaft Diameter1.296
Shaft Extension8.1
Shaft TypeJM
C Dim34.04
Frame Length11.56
Frame MaterialCast Iron
Weight UnitLB
Weight595.35
Url-datapackhttps://cdnmedia.regalbeloit.com/images/d120001/medias/docus/2076/Article_326TTFCD6007_DataPack_9.pdf
Connection Drawing NoEE7308AA
Outline Drawing NoSS620799-200
UlListed
ManufacturerRegal Beloit
Part ID326TTFCD6007
UPC722856063274
Cross Reference199985.00
SupersedesN/A
FeaturesMeets or exceeds NEMA Premium® efficiency. Model is in compliance with EISA2007 Hazardous Duty Division 2, Zone 2, Class I, Groups A,B,C,D, Temperature code T2B IP55 enclosure on cast iron frames Inverter Duty 20:1 Variable Torque and 2:1 Constant Torque Class F Insulation Standard F1, reversible to F2 assembly. Dual frame mounting holes.

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Product Info

Meets or exceeds NEMA Premium® efficiency. Model is in compliance with EISA2007 Hazardous Duty Division 2, Zone 2, Class I, Groups A,B,C,D, Temperature code T2B IP55 enclosure on cast iron frames Inverter Duty 20:1 Variable Torque and 2:1 Constant Torque Class F Insulation Standard F1, reversible to F2 assembly. Dual frame mounting holes.
Brand: Marathon
HP:
Voltage: ,
RPM:
Amperage: 113.0/56.5
Frame:
Enclosure:
Phase:
Efficiency Rating: 94.1
Mounting Type: Rigid Base
Insulation Class: F
Service Factor: 1.15
Duty Cycle: Continuous
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Marathon Motors provides durable, energy-efficient electric motors designed for industrial and commercial applications, including pumps, HVAC systems, compressors, conveyors, and material-handling equipment. Built for long service life and dependable performance, Marathon’s NEMA and IEC motors are trusted worldwide. Electracore is your reliable Canadian supplier of authentic Marathon products with fast delivery and technical guidance.

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Marathon GT3136A 50 HP 230/460V 3600 RPM 326JM TEFC 3-Phase Motor