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284THEN8032 – Marathon 20 HP Variable Speed Motor, 3 phase, 1800 RPM, 230/460 V, 284TC Frame, EPNV – Y985

284THEN8032 – Marathon 20 HP Variable Speed Motor, 3 phase, 1800 RPM, 230/460 V, 284TC Frame, EPNV – Y985

284THEN8032 Marathon 2000:1 Explosion Proof Motors

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

  • BEI H38 explosion proof encoder 1024 ppr, Class I Groups C & D,Class II Groups E, F, G included
  • 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
  • Continuous duty at 40°C ambient
  • Optimized for operation with IGBT inverter (NEMA Design A)
  • Normally closed thermostats (one per phase, Class F)
  • Cast iron frame and brackets
  • F1 standard, NOT field reversible to F2, Meets temperature code T3B
  • Suitable for Group C

Marathon Motors
Regal Beloit

Original price was: $21,255.00.Current price is: $12,350.02.

Description

284THEN8032 – Marathon 20 HP Variable Speed Motor, 3 phase, 1800 RPM, 230/460 V, 284TC Frame, EPNV – Y985

284THEN8032 Marathon 2000:1 Explosion Proof Motors

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

General Specifications

UPC: 722856025616 Weight: 555 LB
Packaged Length: 37.88 IN Packaged Width: 31.88 IN
Packaged Height: 20.01 IN

Nameplate Specifications

Output HP: 20 Hp Output KW: 14.9 kW
Frequency: 60 Hz Voltage: 230/460 V
Current: 53.0/26.5 A Speed: 1775 rpm
Service Factor: 1 Phase: 3
Efficiency: 93.6 % Power Factor: 76
Duty: Continuous Insulation Class: F
Design Code: INV KVA Code: M
Frame: 284TC Enclosure: Explosion Proof Non Ventilated
Thermal Protection: No Ambient Temperature: 40 °C
Drive End Bearing Size: 6311 Opp Drive End Bearing Size: 6311
UL: Listed CSA: Y
CE: N IP Code: 54

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: 33.16 in
Frame Length: 12.75 in Shaft Diameter: 1.875 in
Shaft Extension: 4.38 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)
Full Load 28.50 108.0 59.10 100.0 1,775 20.00
Locked-Rotor 280.00 1,057.0 135.00 228.0 0 26.0 20.00
1/3 270.00 1,019.0 120.00 203.0 600 20.00
Break-Down 175.00 660.0 275.00 465.0 1,485 65.0 20.00
Pull-Up 250.00 943.0 125.00 211.0 900 20.00
No Load 19.00 72.0 0.00 0.0 1,800 20.00
2/3 225.00 849.0 150.00 253.0 1,200 20.00

Load Characteristics

% of Rated Load 0 % 25 % 50 % 75 % 100 % 125 % 150 % 200 %
Current (Amps) 14.00 16.00 18.50 22.00 26.50 33.00 43.50 58.50
Rated Output (KW) 0.50 4.20 8.00 12.00 16.00 20.00 30.00 41.00
Efficiency (%) 0.0 88.5 92.5 93.6 93.6 93.6 92.4 90.2
Power Factor (%) 3.0 33.0 55.0 68.0 76.0 80.0 86.0 87.0
Speed (RPM) 1,800 1,795 1,788 1,782 1,775 1,770 1,755 1,735
Temp. Rise @ FL 0.0 0.0 0.0 0.0 80.0 0.0 0.0 0.0
Torque (ft-lbs) 0.00 14.80 29.50 44.20 59.20 74.20 112.00 150.00

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!!!