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145TBFR5301 – Marathon 3 HP General Purpose Motor, 1 phase, 3600 RPM, 208-230 V, 145T Frame, TEFC – I204

145TBFR5301 – Marathon 3 HP General Purpose Motor, 1 phase, 3600 RPM, 208-230 V, 145T Frame, TEFC – I204

145TBFR5301 Marathon Single Phase TEFC Motors

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

  • Heavy gauge steel constructions
  • Capacitor start/capacitor run design for reduced amperage
  • Will accept flange kit, see accessory section

Marathon Motors
Regal Beloit

Description

145TBFR5301 – Marathon 3 HP General Purpose Motor, 1 phase, 3600 RPM, 208-230 V, 145T Frame, TEFC – I204

145TBFR5301 Marathon Single Phase TEFC Motors

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

General Specifications

UPC: 722856008800 Weight: 50 LB
Packaged Length: 19.88 IN Packaged Width: 10.25 IN
Packaged Height: 8.12 IN

Nameplate Specifications

Output HP: 3 Hp Output KW: 2.2 kW
Frequency: 60 Hz Voltage: 208-230 V
Current: 13.1-11.8 A Speed: 3510 rpm
Service Factor: 1.15 Phase: 1
Efficiency: 84 % Power Factor: 99.2
Duty: Continuous Insulation Class: B
Design Code: L KVA Code: H
Frame: 145T Enclosure: Totally Enclosed Fan Cooled
Thermal Protection: No Ambient Temperature: 40 °C
Drive End Bearing Size: 6205 Opp Drive End Bearing Size: 6203
UL: Recognized CSA: Y
CE: N IP Code: 43

Technical Specifications

Electrical Type: Capacitor Start Capacitor Run Starting Method: Across The Line
Poles: 2 Rotation: Selective Counterclockwise
Resistance Main: 0 Ohms Mounting: Rigid Base
Motor Orientation: Horizontal Drive End Bearing: Ball
Opp Drive End Bearing: Ball Frame Material: Rolled Steel
Shaft Type: T Overall Length: 14.87 in
Shaft Diameter: 0.875 in Shaft Extension: 2.28 in
Assembly/Box Mounting: F1 Only

Speed Characteristics

Curvepoint Current (Amps) Current (%) Torque (ft-lbs) (%) Speed (RPM) Rated Output (KW) Power Factor (%) Rated Output (Hp)
Break-Down 55.60 471.0 13.20 296.0 3,143 11.20 0.0 3.00
Locked-Rotor 91.00 771.0 8.46 190.0 0 17.50 0.0 3.00
Full Load 11.80 100.0 4.46 100.0 3,510 2.69 0.0 3.00
Pull-Up 91.00 771.0 6.81 153.0 243 17.70 0.0 3.00

Load Characteristics

% of Rated Load 0 % 25 % 75 % 100 % 115 % 125 % 150 % 175 % 200 %
Current (Amps) 2.62 4.43 9.05 11.80 13.60 14.90 18.40 22.60 27.90
Rated Output (KW) 0.43 0.92 2.08 2.69 3.11 3.40 4.18 5.09 6.18
Efficiency (%) 0.0 60.9 80.7 84.0 82.7 82.1 80.2 76.9 72.4
Power Factor (%) 71.2 90.2 99.9 99.2 99.4 99.2 98.8 97.9 96.3
Speed (RPM) 3,600 3,578 3,540 3,510 3,505 3,495 3,466 3,427 3,376
Temp. Rise @ FL 0.0 0.0 0.0 70.0 90.0 0.0 0.0 0.0 0.0
Torque (ft-lbs) 0.00 1.10 3.33 4.46 5.15 5.61 6.79 8.02 9.31

Marathon Motors
Regal Beloit