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256TTTNA18577 – Marathon 10 HP Definite Purpose AC Motor, 3 phase, 1200 RPM, 575 V, 256T Frame, TEAO – S566

256TTTNA18577 – Marathon 10 HP Definite Purpose AC Motor, 3 phase, 1200 RPM, 575 V, 256T Frame, TEAO – S566

256TTTNA18577 Marathon Other Purpose Motors

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

  • Blue Chip® quality, 100% cast iron construction for rigidity and reduced vibration
  • Internal and external epoxy paint
  • CR200 Corona resistant magnet wire
  • Class H insulation system
  • Normally closed thermostats (one per phase, Class H)
  • Heat stabilized ball bearings and high temperature grease
  • Suitable for inverter use for 20:1 Variable Torque with 1.0 S.F. in 90°C ambient
  • Suitable for 90OC ambient at 1.15 S.F. or 100OC ambient at 1.0 S.F.
  • Extended grease tubes, regreasable in service
  • 8 Foot Leads

Marathon Motors
Regal Beloit

Original price was: $7,535.00.Current price is: $5,370.95.

Description

256TTTNA18577 – Marathon 10 HP Definite Purpose AC Motor, 3 phase, 1200 RPM, 575 V, 256T Frame, TEAO – S566

256TTTNA18577 Marathon Other Purpose Motors

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

General Specifications

UPC: 722856043023 Weight: 425 LB
Packaged Length: 30.75 IN Packaged Width: 21.75 IN
Packaged Height: 18 IN

Nameplate Specifications

Output HP: 10 Hp Output KW: 7.5 kW
Frequency: 60 Hz Voltage: 575 V
Current: 10.2 A Speed: 1172 rpm
Service Factor: 1.15 Phase: 3
Efficiency: 91 % Power Factor: 80
Duty: Continuous Insulation Class: H
Design Code: B KVA Code: H
Frame: 256T Enclosure: Totally Enclosed Air Over
Thermal Protection: No Ambient Temperature: 90 °C
Drive End Bearing Size: 6309 Opp Drive End Bearing Size: 6210
UL: No CSA: Y
CE: N IP Code: 54

Technical Specifications

Electrical Type: Squirrel Cage Inverter Rated Starting Method: Line Or Inverter
Poles: 6 Rotation: Reversible
Resistance Main: 1.025 Ohms Mounting: Rigid Base
Motor Orientation: Horizontal Drive End Bearing: Ball / Heat Stabilized
Opp Drive End Bearing: Ball / Heat Stabilized Frame Material: Cast Iron
Shaft Type: T Overall Length: 22.35 in
Frame Length: 12.25 in Shaft Diameter: 1.625 in
Shaft Extension: 4.25 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)
Full Load 12.80 100.0 44.83 100.0 1,172 10.00
Locked-Rotor 81.00 633.0 95.00 212.0 0 46.0 10.00
2/3 75.00 586.0 90.00 201.0 750 10.00
Pull-Up 78.00 609.0 85.00 190.0 400 10.00
Break-Down 48.00 375.0 120.00 268.0 1,050 69.0 10.00
No Load 5.80 45.0 0.00 0.0 1,200 10.00
1/3 80.00 625.0 85.00 190.0 250 10.00

Load Characteristics

% of Rated Load 0 % 25 % 50 % 75 % 100 % 115 % 125 %
Current (Amps) 4.64 5.20 6.56 8.16 10.24 11.60 12.64
Rated Output (KW) 0.40 2.20 4.20 6.20 8.20 9.50 10.50
Efficiency (%) 0.0 85.5 90.2 91.0 91.0 90.2 89.5
Power Factor (%) 5.5 42.0 64.0 75.0 80.0 82.0 82.5
Speed (RPM) 1,200 1,192 1,188 1,180 1,172 1,168 1,162
Temp. Rise @ FL 0.0 0.0 0.0 0.0 0.0 0.0 0.0
Torque (ft-lbs) 0.00 11.00 22.00 33.50 44.80 52.00 56.50

Marathon Motors
Regal Beloit

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