My Account                   Order Status
Search

143THEN8034 – Marathon 1 HP Variable Speed Motor, 3 phase, 1800 RPM, 230/460 V, 143TC Frame, EPNV – Y978

143THEN8034 – Marathon 1 HP Variable Speed Motor, 3 phase, 1800 RPM, 230/460 V, 143TC Frame, EPNV – Y978

143THEN8034 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
  • Optimized for operation with IGBT inverter (NEMA Design A)
  • F1 standard, NOT field reversible to F2, Meets temperature code T3B
  • Suitable for Group C
  • Normally closed thermostats (one per phase, Class F)
  • Cast iron frame and brackets
  • UL listed file no. E12044, MC228275/ CSA certified file no. LR47504, MC236833

Marathon Motors
Regal Beloit

Original price was: $14,929.00.Current price is: $8,674.34.

Description

143THEN8034 – Marathon 1 HP Variable Speed Motor, 3 phase, 1800 RPM, 230/460 V, 143TC Frame, EPNV – Y978

143THEN8034 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: 722856025548 Weight: 86 LB
Packaged Length: 29 IN Packaged Width: 13.25 IN
Packaged Height: 12 IN

Nameplate Specifications

Output HP: 1 Hp Output KW: 0.75 kW
Frequency: 60 Hz Voltage: 230/460 V
Current: 3.0/1.5 A Speed: 1756 rpm
Service Factor: 1 Phase: 3
Efficiency: 85.5 % Power Factor: 72
Duty: Continuous Insulation Class: F
Design Code: INV KVA Code: M
Frame: 143TC Enclosure: Explosion Proof Non Ventilated
Thermal Protection: Thermostats (N/C) Ambient Temperature: 40 °C
Drive End Bearing Size: 6205 Opp Drive End Bearing Size: 6205
UL: UL Listed And CSA Certified CSA: Y
CE: N IP Code: 54
Hazardous Location: EXP PROOF CL I GR C&D CL II GR F&G T3C

Technical Specifications

Electrical Type: Squirrel Cage Inverter Duty Starting Method: Inverter Only
Poles: 4 Rotation: Reversible
Resistance Main: 13.8 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: 21.44 in
Frame Length: 7.50 in Shaft Diameter: 0.875 in
Shaft Extension: 2.12 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 13.00 867.0 10.50 350.0 150 1.00
Locked-Rotor 13.50 900.0 10.80 360.0 0 67.0 1.00
2/3 12.00 800.0 12.00 400.0 800 1.00
Pull-Up 12.50 833.0 11.00 367.0 600 1.00
No Load 0.85 57.0 0.00 0.0 1,800 1.00
Break-Down 9.00 600.0 14.00 467.0 1,300 81.5 1.00
Full Load 1.50 100.0 3.00 100.0 1,756 1.00

Load Characteristics

% of Rated Load 0 % 25 % 50 % 75 % 100 % 125 % 150 % 200 %
Current (Amps) 0.85 0.90 1.00 1.20 1.50 1.70 2.10 2.50
Rated Output (KW) 0.09 0.25 0.45 0.65 0.85 1.10 1.30 1.70
Efficiency (%) 0.0 79.0 85.5 86.5 85.5 85.5 84.0 81.5
Power Factor (%) 9.5 33.5 53.5 67.0 72.0 80.0 83.5 83.5
Speed (RPM) 1,800 1,790 1,780 1,768 1,756 1,745 1,730 1,700
Temp. Rise @ FL 0.0 0.0 0.0 0.0 40.0 0.0 0.0 0.0
Torque (ft-lbs) 0.00 0.75 1.50 2.20 3.00 3.80 4.60 6.00

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!!!