Marathon 250 HP General Purpose Motor, 3 phase, 3600 RPM, 460 V, 445TS Frame, ODP - H119

Catalog #:H119
Part #:445TSTDS7001
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General Specifications

Weight: 1,445.00 LB Packaged Length: 44.88 IN
Packaged Width: 39.25 IN Packaged Height: 29.56 IN

Nameplate Specifications

Output HP: 250 Hp Output KW: 187 kW
Frequency: 60 Hz Voltage: 460 V
Current: 275 A Speed: 3565 rpm
Service Factor: 1.15 Phase: 3
Efficiency: 93.6 % Power Factor: 90.5
Duty: CONTINUOUS Insulation Class: B
Design Code: B KVA Code: F
Frame: 445TS Enclosure: DP
Thermal Protection: NOT Ambient Temperature: 40 °C
Drive End Bearing Size: 6313 Opp Drive End Bearing Size: 6313
UL: Recognized CSA: Y
CE: Y IP Code: 12

Technical Specifications

Electrical Type: SQ CAGE IND RUN Starting Method: ACROSS THE LINE
Poles: 2 Rotation: REV
Resistance Main: 0.029 Ohms Mounting: RIGID
Motor Orientation: HORIZONTAL Drive End Bearing: BALL
Opp Drive End Bearing: BALL Frame Material: CAST IRON
Shaft Type: TS Overall Length: 36 in
Frame Length: 20.5 in Shaft Diameter: 2.38 in
Shaft Extension: 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 22.00 8.0 0.00 0.0 3,600 250.00
Full Load 275.00 100.0 368.00 100.0 3,565 250.00
1/3 1,675.00 609.0 495.00 135.0 1,200 250.00
Locked-Rotor 1,760.00 640.0 580.00 158.0 0 37.0 250.00
Break-Down 1,020.00 371.0 920.00 250.0 3,400 68.0 250.00
2/3 1,500.00 545.0 610.00 166.0 2,400 250.00
Pull-Up 1,585.00 576.0 525.00 143.0 1,800 250.00

Load Characteristics

% of Rated Load 0 % 25 % 50 % 75 % 100 % 115 % 125 %
Current (Amps) 50.50 83.50 144.00 207.00 275.00 319.00 349.00
Rated Output (KW) 5.50 51.20 99.50 149.00 199.00 230.00 251.00
Efficiency (%) 0.0 91.0 93.6 94.1 93.6 93.0 93.0
Power Factor (%) 10.0 77.0 87.0 90.0 90.5 90.5 90.0
Speed (RPM) 3,600 3,590 3,582 3,572 3,565 3,555 3,550
Temp. Rise @ FL 0.0 0.0 0.0 0.0 60.0 80.0 100.0
Torque (ft-lbs) 0.00 102.00 183.00 276.00 368.00 425.00 462.00
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