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284TTDBD4027 – Marathon 25 HP Fire Pump Motor, 3 phase, 1800 RPM, 230/460 V, 284T Frame, ODP – U598

284TTDBD4027 – Marathon 25 HP Fire Pump Motor, 3 phase, 1800 RPM, 230/460 V, 284T Frame, ODP – U598

284TTDBD4027 Marathon Fire Pump Motors

  • Designed for use on pumps for fire pump duty
  • UL file EX5190, CSA file LR2025 and CE mark
  • 50°C ambient
  • Red paint on 25 HP through 200 HP
  • NEMA Design B, Code G or less
  • Will accept C-Face kits, see Accessories section for kits
  • Single voltage motors have 12 leads and are suitable for wye-delta, across the line, or part winding start
  • Dual voltage motors have 12 leads, suitable for wye-delta or across the line start on either voltage, or part winding start on low voltage
  • Rated 60/50 hertz, 190/380 or 380 volt at next lower horsepower

Marathon Motors
Regal Beloit

Description

284TTDBD4027 – Marathon 25 HP Fire Pump Motor, 3 phase, 1800 RPM, 230/460 V, 284T Frame, ODP – U598

284TTDBD4027 Marathon Fire Pump Motors

General Specifications

UPC: 722856067395 Weight: 378 LB
Packaged Length: 30.11 IN Packaged Width: 25.39 IN
Packaged Height: 25 IN

Nameplate Specifications

Output HP: 25 Hp Output KW: 18.7 kW
Frequency: 60/50 Hz Voltage: 230/460 V
Current: 61.0/30.5 A Speed: 1772 rpm
Service Factor: 1.15 Phase: 3
Efficiency: 91.7 % Power Factor: 83
Duty: Continuous Insulation Class: F
Design Code: B KVA Code: F
Frame: 284T Enclosure: Drip Proof
Thermal Protection: No Ambient Temperature: 50 °C
Drive End Bearing Size: 6311 Opp Drive End Bearing Size: 6210
UL: Listed CSA: Y
CE: Y IP Code: 23

Technical Specifications

Electrical Type: Squirrel Cage Induction Run Starting Method: Part Wdg Start Low Volt Only & Wye Start Delta Run
Poles: 4 Rotation: Reversible
Resistance Main: .585 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: 25.71 in
Frame Length: 12.59 in Shaft Diameter: 1.875 in
Shaft Extension: 4.62 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)
1/3 155.00 105.00 600 25.00
Full Load 30.50 100.0 74.00 100.0 1,772 83.0 25.00
No Load 12.50 0.00 0.0 1,800 5.0 25.00
Pull-Up 140.00 105.00 900 25.00
Break-Down 100.00 170.00 230.0 1,675 70.0 25.00
2/3 125.00 125.00 1,200 25.00
Locked-Rotor 175.00 120.00 162.0 0 44.0 25.00

Load Characteristics

% of Rated Load 0 % 25 % 50 % 75 % 100 % 115 % 125 %
Current (Amps) 12.50 14.00 18.50 24.00 30.50 35.00 38.00
Rated Output (KW) 0.75 5.20 10.20 15.20 20.50 23.50 26.00
Efficiency (%) 0.0 88.5 91.0 91.7 91.7 91.0 90.2
Power Factor (%) 5.0 47.0 69.0 79.0 83.0 85.0 85.0
Speed (RPM) 1,800 1,792 1,786 1,780 1,772 1,768 1,762
Temp. Rise @ FL 0.0 0.0 0.0 0.0 40.0 55.0 65.0
Torque (ft-lbs) 0.00 18.50 37.00 55.50 74.00 85.50 93.00

Marathon Motors
Regal Beloit

Notice:

Due to unprecedented disruptions and delays, lead times are longer than usual and may get worse. We apologize for the inconvenience this imposes on you and we appreciate your patience and understanding during this time.

We are working hard to ensure any problems are minimized for you and we thank your for your business. In the meantime, please feel free to reach out to us for any quotes, questions, or concerns.

 

Sincerely,

The IME Team

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!!!