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326TSTFPA14003 – Marathon 50 HP Definite Purpose AC Motor, 3 phase, 3600 RPM, 230/460 V, 326TSC Frame, TEFC – U834

326TSTFPA14003 – Marathon 50 HP Definite Purpose AC Motor, 3 phase, 3600 RPM, 230/460 V, 326TSC Frame, TEFC – U834

326TSTFPA14003 Marathon Other Purpose Motors

Please advise CFM, static pressure, voltage, phase, and/or horsepower on specifications, drawings, or existing equipment for an accurate quote.

  • Meets or exceeds NEMA Premium® efficiencies NEMA Premium® models are in compliance with EISA2007
  • Cast iron frame and brackets
  • Inverter Duty 10:1 Variable Torque and 10:1 Constant Torque, 1.0 SF (except as noted)
  • 1.15 Service Factor
  • Class F Insulation
  • Standard assembly F1, reversible to F2 assembly
  • UL Recognized, CSA Certified and CE Mark

Marathon Motors
Regal Beloit

Description

326TSTFPA14003 – Marathon 50 HP Definite Purpose AC Motor, 3 phase, 3600 RPM, 230/460 V, 326TSC Frame, TEFC – U834

326TSTFPA14003 Marathon Other Purpose Motors

Please advise CFM, static pressure, voltage, phase, and/or horsepower on specifications, drawings, or existing equipment for an accurate quote.

General Specifications

Packaged Length: 35 IN Packaged Width: 26 IN
Packaged Height: 22.89 IN

Nameplate Specifications

Output HP: 50 Hp Output KW: 37 kW
Frequency: 60/50 Hz Voltage: 230/460 V
Current: 115/57.5 A Speed: 3540 rpm
Service Factor: 1.15 Phase: 3
Efficiency: 92.4 % Power Factor: 88.5
Duty: CONTINUOUS Insulation Class: F
Design Code: B KVA Code: G
Frame: 326TSC Enclosure: TEFC
Thermal Protection: NOT Ambient Temperature: 40 °C
Drive End Bearing Size: 6312 Opp Drive End Bearing Size: 6311
UL: Recognized CSA: Y
CE: Y IP Code: 43

Technical Specifications

Electrical Type: SQ CAGE IND RUN Starting Method: ACROSS THE LINE
Poles: 2 Rotation: REV
Resistance Main: 0.162 Ohms Mounting: RIGID
Motor Orientation: HORIZONTAL Drive End Bearing: BALL
Opp Drive End Bearing: BALL Frame Material: CAST IRON
Shaft Type: TS Overall Length: 28.97 in
Frame Length: 16.25 in Shaft Diameter: 1.88 in
Shaft Extension: 3.5 in Assembly/Box Mounting: F1/F2 CAPABLE

Speed Characteristics

Curvepoint Current (Amps) Current (%) Torque (ft-lbs) (%) Speed (RPM) Rated Output (KW) Power Factor (%) Rated Output (Hp)
No Load 18.50 32.0 0.00 0.0 3,600 50.00
Break-Down 225.00 391.0 205.00 277.0 3,300 70.0 50.00
Locked-Rotor 360.00 626.0 115.00 155.0 0 35.0 50.00
1/3 350.00 609.0 100.00 135.0 1,000 50.00
Pull-Up 325.00 565.0 100.00 135.0 1,500 50.00
2/3 275.00 478.0 110.00 149.0 2,000 50.00
Full Load 57.50 100.0 74.00 100.0 3,540 50.00

Load Characteristics

% of Rated Load 0 % 25 % 50 % 75 % 100 % 115 % 125 %
Current (Amps) 18.50 23.00 32.50 44.50 57.50 65.50 71.00
Rated Output (KW) 1.50 10.80 20.50 30.50 40.50 46.80 51.00
Efficiency (%) 0.0 87.5 91.7 92.4 92.4 91.7 91.0
Power Factor (%) 8.0 58.5 78.5 86.0 88.5 89.5 89.5
Speed (RPM) 3,600 3,585 3,570 3,555 3,540 3,530 3,520
Temp. Rise @ FL 0.0 0.0 0.0 0.0 75.0 105.0 0.0
Torque (ft-lbs) 0.00 18.50 37.00 55.50 74.00 85.50 93.00

Marathon Motors
Regal Beloit

Winter Weather Notice:

Our sales office and customer service teams may be disrupted on January 9th, 2025 due to a Severe Winter Weather advisory in their area. We apologize for any potential delays or disruptions this may pose to you and we appreciate your patience during this event.

 

In the meantime, please feel free to reach out to us for any quotes, questions, or concerns and we will do our best to respond in a timely manner – orders will still be processed normally.

Thanks!

Holiday Hours of Operation:

Our warehouses will be closed 12/24/2024-01/01/2025:

Our Sales Office will remain open with limited hours during this time and will continue to process orders – all shipments will resume on 01/02/2025 – feel free to purchase from our shop or contact us for quotes as usual.

*FYI: If you’ve placed an order with us before 12/24/2024, we are currently experiencing delays in manufacturing/shipping and are working hard to provide updates and complete fulfilment as quickly as possible – we thank you for your business and your patience*

Happy Holidays from IMEX!!!