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284THTNA7026 – Marathon 25 HP Variable Speed Motor, 3 phase, 1800 RPM, 230/460 V, 284TC Frame, TENV – Y553

284THTNA7026 – Marathon 25 HP Variable Speed Motor, 3 phase, 1800 RPM, 230/460 V, 284TC Frame, TENV – Y553

284THTNA7026 Marathon 1000:1 Speed Ratio Motors

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

  • MAX GUARD® Class F insulation system
  • Constant Torque operation from 0 to base speed on Vector Drive
  • Constant Horsepower operation up to twice base RPM
  • Optimized for operation with IGBT inverter (NEMA Design A)
  • Normally closed thermostats (one per phase, Class F)
  • Encoder and brake provisions included on opposite drive end (maximum 10 lb-ft brake,see Modifications and/or Accessory Kits sections)
  • Reduced HP at 120 HZ

Marathon Motors
Regal Beloit

Original price was: $10,117.00.Current price is: $5,878.38.

Description

284THTNA7026 – Marathon 25 HP Variable Speed Motor, 3 phase, 1800 RPM, 230/460 V, 284TC Frame, TENV – Y553

284THTNA7026 Marathon 1000:1 Speed Ratio Motors

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

General Specifications

UPC: 722856024886 Weight: 379 LB
Packaged Length: 35 IN Packaged Width: 26 IN
Packaged Height: 24.35 IN

Nameplate Specifications

Output HP: 25 Hp Output KW: 18.7 kW
Frequency: 60 Hz Voltage: 230/460 V
Current: 62.0/31.0 A Speed: 1770 rpm
Service Factor: 1 Phase: 3
Efficiency: 93.6 % Power Factor: 80
Duty: Continuous Insulation Class: F
Design Code: INV KVA Code: K
Frame: 284TC Enclosure: Totally Enclosed Non Ventilated
Thermal Protection: Thermostats (N/C) Ambient Temperature: 40 °C
Drive End Bearing Size: 6311 Opp Drive End Bearing Size: 6311
UL: Recognized CSA: Y
CE: Y IP Code: 43

Technical Specifications

Electrical Type: Squirrel Cage Inverter Duty Starting Method: Inverter Only
Poles: 4 Rotation: Reversible
Resistance Main: .2 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: 27.08 in
Frame Length: 12.75 in Shaft Diameter: 1.875 in
Shaft Extension: 4.37 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)
Locked-Rotor 280.00 903.0 163.00 220.0 0 31.0 25.00
1/3 270.00 871.0 120.00 162.0 600 25.00
Break-Down 180.00 581.0 330.00 445.0 1,585 68.0 25.00
No Load 14.00 45.0 0.00 0.0 1,800 25.00
Full Load 31.00 100.0 74.00 100.0 1,770 25.00
Pull-Up 250.00 806.0 125.00 168.0 900 25.00
2/3 225.00 726.0 150.00 202.0 1,200 25.00

Load Characteristics

% of Rated Load 0 % 25 % 50 % 75 % 100 % 125 % 150 % 200 %
Current (Amps) 14.00 16.00 20.00 25.00 31.00 37.00 43.50 58.50
Rated Output (KW) 0.50 5.20 10.00 15.00 20.00 25.00 30.20 41.00
Efficiency (%) 0.0 89.5 93.0 94.1 93.6 93.0 92.4 90.2
Power Factor (%) 3.0 39.0 62.0 74.0 80.0 84.0 86.0 87.0
Speed (RPM) 1,800 1,792 1,785 1,778 1,770 1,760 1,755 1,735
Temp. Rise @ FL 0.0 0.0 0.0 0.0 96.0 0.0 0.0 0.0
Torque (ft-lbs) 0.00 18.50 36.80 55.50 74.20 93.20 112.00 150.00

Marathon Motors
Regal Beloit