Marathon 2 HP Brake Motor, 3 phase, 1800 RPM, 230/460 V, 145T Frame, TEFC - K2045

Catalog #:K2045
Part #:5KE49WN4571
  • Brake has manual wear adjustment for longer pad life
  • Brake leads routed through motor conduit box (TENV only)
  • Universal mounting, no modifications needed
  • CR200 Corona resistant magnet wire (motor can be operated 10:1 variable torque)
  • Universal mounting, no modifications needed
  • Brake coil voltage matches motor voltages, see mod section for other brake coils
  • Ball bearings, mechanically locked on shaft end
  • 1.15 Service Factor (1.0 Service Factor as noted)
  • Nameplated 60/50 hertz at next lowest horsepower
  • UL Recognized and CSA Certified
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General Specifications

UPC: 722856027481 Weight: 53.00 LB
Packaged Length: 22.8 IN Packaged Width: 10.56 IN
Packaged Height: 9.88 IN

Nameplate Specifications

Output HP: 2 Hp Output KW: 1.5 kW
Frequency: 60 Hz Voltage: 230/460 V
Current: 5.6/2.8 A Speed: 1740 rpm
Service Factor: 1 Phase: 3
Efficiency: 84 % Power Factor: 75
Duty: Continuous Insulation Class: B
Design Code: B KVA Code: L
Frame: 145T Enclosure: Totally Enclosed Fan Cooled
Thermal Protection: No Ambient Temperature: 40 °C
Drive End Bearing Size: 6205 Opp Drive End Bearing Size: 6203
UL: Recognized CSA: Y
CE: N IP Code: 43

Technical Specifications

Electrical Type: Squirrel Cage Induction Run Starting Method: Across The Line
Poles: 4 Rotation: Reversible
Resistance Main: 7.44 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: 18.00 in
Frame Length: 7.50 in Shaft Diameter: 0.875 in
Shaft Extension: 2.25 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)
Locked-Rotor 23.00 0.0 20.50 342.0 0 0.00 0.0 2.00
Break-Down 0.00 0.0 24.00 400.0 0 0.00 0.0 2.00
Pull-Up 0.00 0.0 19.80 330.0 0 0.00 0.0 2.00
Full Load 2.80 0.0 6.00 100.0 1,735 0.00 0.0 2.00

Load Characteristics

% of Rated Load 0 % 25 % 50 % 75 % 100 % 125 % 150 %
Current (Amps) 1.40 1.52 1.84 2.25 2.73 3.25 3.82
Rated Output (KW) 0.11 0.46 0.87 1.29 1.74 2.15 2.59
Efficiency (%) 0.0 81.8 86.5 87.2 85.3 85.2 84.0
Power Factor (%) 9.9 38.1 59.5 71.8 80.0 83.0 85.2
Speed (RPM) 1,799 1,786 1,770 1,752 1,735 1,714 1,704
Temp. Rise @ FL 0.0 0.0 0.0 0.0 58.0 0.0 0.0
Torque (ft-lbs) 0.00 1.49 3.00 4.51 6.02 7.52 9.00
Catalog #:K2045A
Part #:145TTFR16361
List Price: $2,381.00
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