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Marathon U354A

Marathon · Close-Coupled Pump
20 HP 1775 256JM TEFC 230V|460V Pump
Catalog Number: U354A
Model Number: 256TTFL16042
HP
20
RPM
1800
Voltage
230V,460V
Frame
256JM
Phase
3
Enclosure
TEFC
Material
Aluminum
Mounting
Rigid

Product-line overview

Marathon’s line of pump motors has models for all applications, from centrifugal or circular pump motors to close-coupled or vertical motors. Select your electric motor replacement from a range of ratings and features; frame size, mounting options, enclosure type, RPM, HP, voltage, and more.

Ships in 3 to 5 business days

Available for Delivery

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Stock Locations

Mississauga, ON: In Stock

Technical Support Available 8:30am-6:00pm EST

Call 1-800-890-7593

Marathon: Close-Coupled Pump (216)

M316B53500208-230V, 460V182JMV $674.16
GT3515A7 1/23520575V213JP $1,269.84
GT3511A31185575V213JP $1,273.51
GT3516A7 1/21768575V213JP $1,356.39
GT3416A7 1/21768230V, 460V213JP $1,356.39
GT3518A103518575V215JP $1,583.08
GT3514A51180575V215JP $1,583.08
GT3418A103518230V, 460V215JP $1,583.08
GT3519A101762575V215JP $1,602.14
GT3419A101762230V, 460V215JP $1,602.14
U210A151768230V, 460V254JPV $1,715.12
U344A153535230V, 460V254JM $2,079.71
GT3521A153545575V254JP $2,182.41
GT3421A153545230V, 460V254JP $2,182.41
GT3517A7 1/21182575V254JP $2,192.68
GT3417A7 1/21182230V, 460V254JP $2,192.68
U348A151775230V, 460V254JM $2,262.37
GT3522A151772575V254JP $2,332.06
GT3422A151772230V, 460V254JP $2,332.06
U354A201775230V, 460V256JM $2,478.77
GT3525A201768575V256JP $2,555.80
GT3425A201768230V, 460V256JP $2,555.80
U351A203537230V, 460V256JM $2,573.42
GT3524A203540575V256JP $2,652.65
GT3424A203540230V, 460V256JP $2,652.65
GT3520A101180575V256JP $2,727.47
GT3420A101180230V, 460V256JP $2,727.47
GT3527A253555575V284JP $3,233.64
GT3427A253555230V, 460V284JP $3,233.64
GT3528A251772575V284JP $3,337.07
GT3428A251772230V, 460V284JP $3,337.07
GT3523A151182575V284JP $3,491.12
GT3423A151182230V, 460V284JP $3,491.12
GT3531A301770575V286JP $3,662.79
GT3431A301770230V, 460V286JP $3,662.79
GT3530A303550575V286JP $4,055.26
GT3430A303550230V, 460V286JP $4,055.26
GT3526A201180575V286JP $4,408.10
GT3426A201180230V, 460V286JP $4,408.10
GT3534A401782575V324JP $4,758.03
GT3434A401782230V, 460V324JP $4,758.03
GT3533A403565575V324JP $4,946.56
GT3433A403565230V, 460V324JP $4,946.56
GT3429A251184230V, 460V324JP $5,465.20
GT3537A501782575V326JP $5,822.45
GT3437A501782230V, 460V326JP $5,822.45
GT3532A301185575V326JP $5,876.75
GT3432A301185230V, 460V326JP $5,876.75
GT3536A503568575V326JP $5,917.82
GT3436A503568230V, 460V326JP $5,917.82

Feature

  • Meets or exceeds all USA mandated efficiencies
  • Division 2 / zone 2 class 1 (gases), groups A, B, C, D
  • NEMA JM pump shaft dimensions
  • Suitable for use on a VFD. 10:1 variable torque and 2:1 constant torque
  • Dual rated motors are nameplated 60/50 hertz, 190/380 volts at next lower HP
  • Ball bearings, mechanically locked on shaft end
  • Class F Insulation
  • UL recognized, CSA certified and CE mark
Electrical Data
Rated Motor Output Power
20 HP
15 kW
Rated Motor Speed
1775 RPM
Rated Motor Voltage
230V,460V
Rated Motor Current
48.0/24.1 AMP
Phase
3
Poles
4
Locked Rotor Current
-
Fl Current @ 208V
-
Service Factor
1.15
KVA Code
G
Nominal Efficiency
93
Nominal Power Factor
84
Leads (Qty, Size)
-
Frequency
60 Hz
Connection
-
Start Capacitor
-
Run Capacitor
-
MFD
-
VFD (S.F. 1.0)
Ratio
Hz
Variable Torque
-
-
Constant Torque
-
-
General Data
Frame
256JM
Enclosure
TEFC
Mounting
Rigid
Number of Speeds
-
Approximate Weight
230lb
Double Drilled
No
Frame Material
Aluminum
C-Dimension
27.27"
NEMA Design
B
Degree of Protection (IP)
IP43
Insulation Class
F
Rotation
Reversible
Duty
Continuous
Conduit Box Location
-
Removable Feet
No
Orientation
Horizontal
Ambient Temp
40°C
Full Load Temperature Rise
Full Load Temp Rise
-
Temp Code
-
Mechanical Data
DE Bearing
6208
NDE Bearing
6208
Shaft Diameter
1.75"
Shaft Length
5.25"
Grease Type
-
Greaseable
No
Hazardous Locations
CSA Certified
-
Temp Code (Sine Wave Power)
-
Temp Code (VFD Power)
-
Additional Information
Agency Approvals
CSA, UL & CE
Country of Origin
USA
Warranty
3-Year

Product Line Review

Reviews for this product are combined with others in the same product line, as they share the same design but differ in specifications like HP or RPM.

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About Marathon

With decades of proven performance, Marathon Motors remains one of the most trusted names in industrial electric motors for Canadian facilities. From HVAC and manufacturing to oil and gas operations, Marathon delivers reliable NEMA and IEC motor solutions that stand up to Canada’s demanding conditions. Whether you’re retrofitting older equipment or standardizing across multiple sites, Marathon’s broad product lineup ensures compatibility and consistent performance.

In 2024, Marathon Motors entered a new era after being acquired by WEG Motors—one of the largest and most innovative electric motor manufacturers worldwide. This partnership strengthens Marathon’s presence in Canada by combining WEG’s advanced engineering and global manufacturing capabilities with Marathon’s long-standing reputation for durability, efficiency, and application expertise.

Canadian customers benefit from rigorous quality standards, long service life, and dependable operation even in harsh industrial environments. With shipping available directly from Toronto, Ontario, and access to knowledgeable technical support familiar with both Marathon and WEG products, Canadian businesses can source the right motor with confidence, whether it’s a standard replacement, a retrofit upgrade, or a specialized IEC/NEMA configuration.

Backed by WEG’s global resources and Marathon’s proven reliability, Canadian operations can count on fast availability, strong technical guidance, and motor solutions built to keep plants running smoothly.

Custom Marathon Motor Modifications for Your Applications

At eMotors Direct, we offer specialized modifications for Marathon motors to meet the unique needs of Canadian industrial operations. Our services include vertical mounting adaptations for space-restricted installations, F2 conversions for compact layouts, derating for higher ambient temperatures, and other custom solutions to ensure reliable performance.

Whether you’re retrofitting older equipment, upgrading systems, or integrating motors into new builds, our technical experts configure each Marathon motor for optimal efficiency, durability, and uptime. These modifications allow standard Marathon motors to deliver enhanced functionality and flexibility, keeping your operations running smoothly in even the most demanding industrial environments.

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