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256TTDBD6008 – Marathon 25 HP Close-Coupled Pump Motor, 3 phase, 3600 RPM, 575 V, 256JM Frame, ODP – GT0564

256TTDBD6008 – Marathon 25 HP Close-Coupled Pump Motor, 3 phase, 3600 RPM, 575 V, 256JM Frame, ODP – GT0564

256TTDBD6008 Marathon JM Motors

  • Meets or exceeds NEMA Premium® efficiency. Model is in compliance with EISA2007
  • Inverter Duty 10:1 Variable Torque and 2:1 Constant Torque
  • Nameplated 60/50 hertz, 190/380 volts at next lower HP
  • Steel frame with Class F Insulation
  • Standard F1, reversible to F2 assembly. Dual frame mounting holes.

Marathon Motors
Regal Beloit

Description

256TTDBD6008 – Marathon 25 HP Close-Coupled Pump Motor, 3 phase, 3600 RPM, 575 V, 256JM Frame, ODP – GT0564

256TTDBD6008 Marathon JM Motors

General Specifications

UPC: 722856063601 Weight: 302 LB
Packaged Length: 31.77 IN Packaged Width: 28.03 IN
Packaged Height: 28.14 IN

Nameplate Specifications

Output HP: 25 Hp Output KW: 18.7 kW
Frequency: 60 Hz Voltage: 575 V
Current: 23.8 A Speed: 3556 rpm
Service Factor: 1.15 Phase: 3
Efficiency: 91.7 % Power Factor: 86
Duty: Continuous Insulation Class: F
Design Code: B KVA Code: G
Frame: 256JM Enclosure: Drip Proof
Thermal Protection: No Ambient Temperature: 40 °C
Drive End Bearing Size: 6309 Opp Drive End Bearing Size: 6208
UL: Recognized CSA: Y
CE: Y IP Code: 22

Technical Specifications

Electrical Type: Squirrel Cage Inverter Rated Starting Method: Line Or Inverter
Poles: 2 Rotation: Selective Clockwise
Resistance Main: .4758 Ohms Mounting: Rigid Base
Motor Orientation: Horizontal Drive End Bearing: Ball
Opp Drive End Bearing: Ball Frame Material: Rolled Steel
Shaft Type: JM Overall Length: 25.99 in
Frame Length: 12.20 in Shaft Diameter: 1.249 in
Shaft Extension: 5.5 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)
1/3 165.00 556.0 58.00 157.0 1,200 25.00
Full Load 29.70 100.0 37.00 100.0 3,556 86.0 25.00
Pull-Up 156.00 525.0 59.00 159.0 1,800 25.00
No Load 12.60 42.0 0.00 0.0 3,600 6.5 25.00
2/3 143.00 481.0 73.00 197.0 2,400 25.00
Locked-Rotor 175.00 589.0 70.00 189.0 0 40.0 25.00
Break-Down 104.00 350.0 93.00 251.0 3,345 73.0 25.00

Load Characteristics

% of Rated Load 0 % 25 % 50 % 75 % 100 % 115 % 125 %
Current (Amps) 10.08 11.36 14.48 18.80 23.76 26.96 29.20
Rated Output (KW) 0.80 5.40 10.20 15.20 20.30 23.50 25.60
Efficiency (%) 0.0 88.5 91.4 92.1 91.7 91.4 91.0
Power Factor (%) 6.5 47.5 70.5 81.0 86.0 87.5 88.0
Speed (RPM) 3,600 3,590 3,578 3,568 3,556 3,550 3,545
Temp. Rise @ FL 0.0 0.0 0.0 0.0 55.0 65.0 70.0
Torque (ft-lbs) 0.00 9.20 18.40 27.70 37.00 42.60 46.60

Marathon Motors
Regal Beloit