Marathon 150 HP Severe Duty Motor, 3 phase, 1800 RPM, 460 V, 445T Frame, TEFC - W612A

Catalog #:W612A
Part #:445THFCD9036
  • Meets or exceeds NEMA Premium® efficiency. Model is in compliance with EISA2031
  • Meets IEEE-841 standard for severe duty applications
  • 100% cast iron construction for rigidity and reduced vibration
  • Inpro/Seal® VBX® bearing isolators on drive end shaft extension TENV and on both ends of TEFC
  • IP56 protection
  • MAX GUARD® Class H insulation system
  • Constant torque for inverter duty
  • Sintered bronze breather with brass drain & breather
  • Bearing caps, Precision balanced to .08”/sec
  • 1.15 Service Factor on sinewave, 1.0 Service Factor on IGBT power
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Weight:1,957.00 LB
List Price: $21,521.00

General Specifications

UPC: 722856191373 Weight: 1,957.00 LB
Packaged Length: 56 IN Packaged Width: 46 IN
Packaged Height: 33.98 IN

Nameplate Specifications

Output HP: 150 Hp Output KW: 112.0 kW
Voltage: 460 V Current: 169.0 A
Speed: 1790 rpm Service Factor: 1.15
Phase: 3 Efficiency: 95.8 %
Power Factor: 87 Duty: Continuous
Insulation Class: H Design Code: B
KVA Code: G Frame: 445T
Enclosure: Totally Enclosed Fan Cooled Thermal Protection: No
Ambient Temperature: 40 °C Drive End Bearing Size: 6319
Opp Drive End Bearing Size: 6317 UL: Listed
CSA: Y CE: Y
IP Code: 56 Hazardous Location: DIVISION 2 T2B

Technical Specifications

Electrical Type: Squirrel Cage Inverter Rated Starting Method: Line Or Inverter
Poles: 4 Rotation: Reversible
Resistance Main: .0294 Ohms Mounting: Rigid Base
Motor Orientation: Horizontal Drive End Bearing: Ball
Opp Drive End Bearing: Ball Frame Material: Cast Iron
Shaft Type: T Shaft Diameter: 3.375 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 54.00 32.0 0.00 0.0 1,800 5.0 150.00
Locked-Rotor 1,085.00 645.0 926.00 210.0 0 37.0 150.00
1/3 945.00 565.0 770.00 175.0 600 150.00
2/3 800.00 475.0 965.00 220.0 1,200 150.00
Pull-Up 870.00 520.0 780.00 177.0 900 150.00
Full Load 168.50 100.0 440.00 100.0 1,790 87.0 150.00
Break-Down 647.00 385.0 1,232.00 280.0 1,745 63.0 150.00

Load Characteristics

% of Rated Load 0 % 25 % 50 % 75 % 100 % 115 % 125 %
Current (Amps) 54.00 67.50 95.50 130.00 168.50 192.00 209.00
Rated Output (KW) 3.00 30.00 58.50 87.50 117.00 134.00 146.00
Efficiency (%) 0.0 93.6 95.4 95.8 95.8 95.4 95.4
Power Factor (%) 5.0 56.5 77.0 84.5 87.0 87.5 88.0
Speed (RPM) 1,800 1,798 1,795 1,792 1,790 1,790 1,788
Temp. Rise @ FL 0.0 0.0 0.0 0.0 55.0 75.0 90.0
Torque (ft-lbs) 0.00 110.00 220.00 330.00 440.00 508.00 553.00
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