Marathon 30 HP Definite Purpose AC Motor, 3 phase, 1800 RPM, 230/460 V, 286T Frame, EPFC - U960

Catalog #:U960
Part #:286TTGP1026
  • Meets NEMA Premium® efficiencies, Bearing Current Protection (BCP), as noted
  • 10:1 Variable torque, see Inverter Duty column for constant torque
  • MAX GUARD® Class F insulation
  • 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 IBGT 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
  • Ball Bearings (except as noted), Ball Bearings (except as noted)
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General Specifications

Weight: 484.00 LB Packaged Length: 35 IN
Packaged Width: 26 IN Packaged Height: 21.14 IN

Nameplate Specifications

Output HP: 30 Hp Output KW: 22.4 kW
Frequency: 60 Hz Voltage: 230/460 V
Current: 74.0/37.0 A Speed: 1768 rpm
Service Factor: 1.15 Phase: 3
Efficiency: 92.4 % Power Factor: 82
Duty: Continuous Insulation Class: F
Design Code: B KVA Code: G
Frame: 286T Enclosure: Explosion Proof Fan cooled
Thermal Protection: No Ambient Temperature: 40 °C
Drive End Bearing Size: 6311 Opp Drive End Bearing Size: 6210
UL: Listed CSA: Y
CE: N IP Code: 54

Technical Specifications

Electrical Type: Squirrel Cage Induction Run Starting Method: Across The Line
Poles: 4 Rotation: Reversible
Resistance Main: .285 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: 27.76 in
Frame Length: 14.25 in Shaft Diameter: 1.875 in
Shaft Extension: 4.82 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)
Break-Down 125.00 338.0 225.00 253.0 1,625 66.0 30.00
2/3 150.00 405.0 175.00 197.0 1,200 30.00
Pull-Up 175.00 473.0 155.00 174.0 900 30.00
Locked-Rotor 217.00 586.0 175.00 197.0 0 40.0 30.00
No Load 15.60 42.0 0.00 0.0 1,800 30.00
1/3 200.00 541.0 150.00 169.0 600 30.00
Full Load 37.00 100.0 89.00 100.0 1,768 30.00

Load Characteristics

% of Rated Load 0 % 25 % 50 % 75 % 100 % 115 % 125 %
Current (Amps) 15.60 17.50 22.50 29.50 37.00 42.50 46.00
Rated Output (KW) 0.60 6.20 12.20 18.20 24.20 28.00 30.50
Efficiency (%) 0.0 89.5 92.4 93.0 92.4 91.7 91.0
Power Factor (%) 4.5 44.5 67.0 77.0 82.0 83.0 83.5
Speed (RPM) 1,800 1,792 1,785 1,778 1,768 1,760 1,755
Temp. Rise @ FL 0.0 0.0 0.0 0.0 75.0 105.0 0.0
Torque (ft-lbs) 0.00 22.00 44.00 66.50 89.00 103.00 112.00
Catalog #:E564
Part #:286TTGN6537
List Price: $5,335.00
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