Marathon 125 HP Definite Purpose AC Motor, 3 phase, 1800 RPM, 460 V, 444T Frame, EPFC - E582

Catalog #:E582
Part #:444TTGS6539
  • 10:1 Variable torque, see Inverter Duty column for constant torque
  • MAX GUARD® Class F insulation system
  • Blue Chip® quality, 100% cast iron construction for rigidity and reduced vibration
  • Internal and external surfaces treated with epoxy paint
  • 1.15 Service Factor on sinewave or 1.0 Service Factor on IGBT power
  • Precision balanced to .08”/sec.
  • Extended grease tubes
  • Normally closed thermostats (must be connected to control circuit)
  • Meets temperature code T3B, Shaft slinger, Nameplated 60/50 Hz, 190/380 Volts, at next lower HP, as noted
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Weight:1,845.00 LB

General Specifications

Weight: 1,845.00 LB Packaged Length: 56 IN
Packaged Width: 46 IN Packaged Height: 31.19 IN

Nameplate Specifications

Output HP: 125 Hp Output KW: 93.0 kW
Frequency: 60 Hz Voltage: 460 V
Current: 141.0 A Speed: 1780 rpm
Service Factor: 1.15 Phase: 3
Efficiency: 95.4 % Power Factor: 86
Duty: Continous Insulation Class: F
Design Code: B KVA Code: G
Frame: 444T Enclosure: Explosion Proof Fan cooled
Thermal Protection: No Ambient Temperature: 40 °C
Drive End Bearing Size: 6318 Opp Drive End Bearing Size: 6316
UL: No CSA: N
CE: N IP Code: 54

Technical Specifications

Electrical Type: Squirrel Cage Inverter Rated Starting Method: Line Or Inverter
Poles: 4 Rotation: Reversible
Resistance Main: .038 Ohms Mounting: Rigid base
Motor Orientation: Horizontal Drive End Bearing: Ball
Opp Drive End Bearing: Ball Frame Material: Cast Iron
Shaft Type: T Overall Length: 41.25 in
Frame Length: 18.50 in Shaft Diameter: 3.375 in
Shaft Extension: 8.75 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)
Locked-Rotor 900.00 638.0 525.00 143.0 0 26.0 125.00
Break-Down 550.00 390.0 1,000.00 273.0 1,715 68.0 125.00
No Load 38.00 27.0 0.00 0.0 1,800 125.00
1/3 825.00 585.0 475.00 130.0 500 125.00
Pull-Up 775.00 550.0 500.00 137.0 1,000 125.00
2/3 700.00 496.0 575.00 157.0 1,400 125.00
Full Load 141.00 100.0 366.00 100.0 1,780 125.00

Load Characteristics

% of Rated Load 0 % 25 % 50 % 75 % 100 % 115 % 125 %
Current (Amps) 38.00 50.00 76.00 106.00 141.00 162.00 176.00
Rated Output (KW) 2.00 25.00 49.00 73.00 97.50 112.00 123.00
Efficiency (%) 0.0 93.0 95.4 95.4 95.4 95.4 95.0
Power Factor (%) 5.0 62.0 79.0 84.0 86.0 87.0 87.5
Speed (RPM) 1,800 1,795 1,790 1,785 1,780 1,778 1,775
Temp. Rise @ FL 0.0 0.0 0.0 0.0 75.0 105.0 0.0
Torque (ft-lbs) 0.00 91.40 183.00 275.00 366.00 423.00 457.00
Catalog #:E582A
Part #:444TTGN16532
List Price: $27,897.00
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