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256TBDX7028 – Marathon 15 HP Single Phase HVAC/R Motor, 1 phase, 1800 RPM, 230 V, 256T Frame, ODP – Z127

256TBDX7028 – Marathon 15 HP Single Phase HVAC/R Motor, 1 phase, 1800 RPM, 230 V, 256T Frame, ODP – Z127

256TBDX7028 Marathon HVAC/R Single Phase Motors

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

  • Capacitor start/capacitor run design for high starting torque and low amps
  • Mechanically locked on shaft end
  • 84” leads
  • Heavy gauge steel frame and base
  • Shafts are 1” longer than NEMA standard for extra clearance
  • Rodent screens
  • Thermostats for thermal overload protection

Marathon Motors
Regal Beloit

Original price was: $5,770.00.Current price is: $4,112.86.

Description

256TBDX7028 – Marathon 15 HP Single Phase HVAC/R Motor, 1 phase, 1800 RPM, 230 V, 256T Frame, ODP – Z127

256TBDX7028 Marathon HVAC/R Single Phase Motors

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

General Specifications

UPC: 722856037534 Weight: 187 LB
Packaged Length: 26.88 IN Packaged Width: 18.38 IN
Packaged Height: 15 IN

Nameplate Specifications

Output HP: 15 Hp Output KW: 11.2 kW
Frequency: 60 Hz Voltage: 230 V
Current: 59.5 A Speed: 1755 rpm
Service Factor: 1 Phase: 1
Efficiency: 86.5 % Power Factor: 94.5
Duty: Continous Insulation Class: F
Design Code: NO DESIGN CODE KVA Code: D
Frame: 256T Enclosure: Drip Proof
Thermal Protection: No Ambient Temperature: 40 °C
Drive End Bearing Size: 6309 Opp Drive End Bearing Size: 6206
UL: Recognized CSA: Y
CE: Y IP Code: 12

Technical Specifications

Electrical Type: Capacitor Start Capacitor Run Starting Method: Across The Line
Poles: 4 Rotation: Fixed Clockwise
Resistance Main: 0 Ohms Mounting: Rigid Base
Motor Orientation: Horizontal Drive End Bearing: Ball
Opp Drive End Bearing: Ball Frame Material: Rolled Steel
Shaft Type: T Overall Length: 24.06 in
Frame Length: 15.45 in Shaft Diameter: 1.625 in
Shaft Extension: 5.19 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)
Break-Down 167.50 282.0 65.70 147.0 1,650 33.90 0.0 15.00
Locked-Rotor 278.50 468.0 37.20 83.0 0 41.50 64.5 15.00
Full Load 59.50 100.0 44.75 100.0 1,755 12.95 0.0 15.00
Pull-Up 275.00 462.0 26.50 59.0 150 40.20 0.0 15.00

Load Characteristics

% of Rated Load 0 % 25 % 50 % 75 % 100 % 115 % 125 % 150 %
Current (Amps) 9.10 17.00 29.00 43.10 59.50 71.50 80.00 108.50
Rated Output (KW) 0.78 3.48 6.35 9.49 12.95 15.80 17.75 22.40
Efficiency (%) 0.0 80.3 87.9 88.0 86.5 81.5 78.5 74.6
Power Factor (%) 37.0 88.9 95.2 95.7 94.5 95.7 96.5 89.8
Speed (RPM) 1,800 1,785 1,778 1,765 1,755 1,743 1,739 1,710
Temp. Rise @ FL 0.0 0.0 0.0 0.0 75.0 0.0 0.0 0.0
Torque (ft-lbs) 0.00 11.00 22.10 33.33 44.75 52.00 56.44 68.80

Marathon Motors
Regal Beloit

Winter Weather Notice:

Our sales office and customer service teams may be disrupted on January 9th, 2025 due to a Severe Winter Weather advisory in their area. We apologize for any potential delays or disruptions this may pose to you and we appreciate your patience during this event.

 

In the meantime, please feel free to reach out to us for any quotes, questions, or concerns and we will do our best to respond in a timely manner – orders will still be processed normally.

Thanks!

Holiday Hours of Operation:

Our warehouses will be closed 12/24/2024-01/01/2025:

Our Sales Office will remain open with limited hours during this time and will continue to process orders – all shipments will resume on 01/02/2025 – feel free to purchase from our shop or contact us for quotes as usual.

*FYI: If you’ve placed an order with us before 12/24/2024, we are currently experiencing delays in manufacturing/shipping and are working hard to provide updates and complete fulfilment as quickly as possible – we thank you for your business and your patience*

Happy Holidays from IMEX!!!