Marathon 2 HP Variable Speed Motor, 3 phase, 1800 RPM, 230/460 V, 145TC Frame, EPNV - Y979

Catalog #:Y979
Part #:145THEN8034
  • 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
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Weight:90.00 LB
List Price: $10,588.00

General Specifications

UPC: 722856025555 Weight: 90.00 LB
Packaged Length: 29 IN Packaged Width: 13.25 IN
Packaged Height: 12 IN

Nameplate Specifications

Output HP: 2 Hp Output KW: 1.5 kW
Frequency: 60 Hz Voltage: 230/460 V
Current: 5.8/2.9 A Speed: 1750 rpm
Service Factor: 1 Phase: 3
Efficiency: 85.5 % Power Factor: 74.8
Duty: Continous Insulation Class: F
Design Code: INV KVA Code: N
Frame: 145TC Enclosure: Explosion Proof Non Ventilated
Thermal Protection: No Ambient Temperature: 40 °C
Drive End Bearing Size: 6205 Opp Drive End Bearing Size: 6205
UL: No CSA: N
CE: N IP Code: 54

Technical Specifications

Electrical Type: Squirrel Cage Inverter Duty Starting Method: Inverter Only
Poles: 4 Rotation: Reversible
Resistance Main: 6.5 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 ONLY

Speed Characteristics

Curvepoint Current (Amps) Current (%) Torque (ft-lbs) (%) Speed (RPM) Rated Output (KW) Power Factor (%) Rated Output (Hp)
Break-Down 20.00 690.0 31.00 517.0 1,230 82.5 2.00
Locked-Rotor 30.00 1,034.0 24.00 400.0 70.0 2.00

Load Characteristics

% of Rated Load 0 % 25 % 50 % 75 % 100 % 125 % 150 % 200 %
Current (Amps) 1.80 1.90 2.10 2.50 2.90 3.40 0.00 0.00
Rated Output (KW) 0.11 0.50 0.90 1.30 1.70 2.20 0.00 0.00
Efficiency (%) 0.0 76.0 84.0 85.5 85.5 84.0 0.0 0.0
Power Factor (%) 7.5 34.0 54.0 66.5 74.8 80.0 0.0 0.0
Speed (RPM) 1,800 1,790 1,780 1,760 1,750 1,725 0 0
Temp. Rise @ FL 0.0 0.0 0.0 0.0 65.0 0.0 0.0 0.0
Torque (ft-lbs) 0.00 1.50 3.00 4.50 6.00 7.50 0.00 0.00
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