Marathon 0.50 HP General Purpose Motor, 1 phase, 1200 RPM, 115/208-230 V, 56C Frame, TEFC - G578

Catalog #:G578
Part #:056B11F5303
  • Double sealed ball bearings, mechanically locked on shaft end
  • Heavy gauge steel constructions
  • Bolt-on, removable rigid base
  • Suitable for horizontal or vertical mounting
  • Capacitor start design for high starting torque
  • Capacitor start/capacitor run design for reduced amperage
  • Will accept brake kits, see Accessory section
  • Will accept drip cover kits, see Accessories section
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Weight:35.00 LB
List Price: $863.00

General Specifications

UPC: 722856009531 Weight: 35.00 LB
Packaged Length: 16.38 IN Packaged Width: 10.5 IN
Packaged Height: 8.12 IN

Nameplate Specifications

Output HP: 0.50 Hp Output KW: 0.37 kW
Frequency: 60 Hz Voltage: 115/208-230 V
Current: 9.6/4.7-4.8 A Speed: 1140 rpm
Service Factor: 1.15 Phase: 1
Efficiency: 64 % Power Factor: 56
Duty: Continuous Insulation Class: B
Design Code: N KVA Code: M
Frame: 56C Enclosure: Totally Enclosed Fan Cooled
Thermal Protection: No Ambient Temperature: 40 °C
Drive End Bearing Size: 6203 Opp Drive End Bearing Size: 6203
UL: Recognized CSA: Y
CE: Y IP Code: 43

Technical Specifications

Electrical Type: Capacitor Start Capacitor Run Starting Method: Across The Line
Poles: 6 Rotation: Selective Counterclockwise
Resistance Main: 0 Ohms Mounting: Rigid Base
Motor Orientation: Horizontal Drive End Bearing: Ball
Opp Drive End Bearing: Ball Frame Material: Rolled Steel
Shaft Type: NEMA 56 Overall Length: 13.32 in
Frame Length: 8.06 in Shaft Diameter: 0.625 in
Shaft Extension: 2.06 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)
Pull-Up 15.50 78.90 814 2.61 0.50
Locked-Rotor 23.50 109.00 0 4.61 0.50
Break-Down 11.60 104.00 1,021 2.12 0.50

Load Characteristics

% of Rated Load 0 % 25 % 50 % 75 % 100 % 115 % 125 % 150 % 175 % 200 %
Current (Amps) 4.00 4.00 4.10 4.40 4.80 5.00 5.10 5.60 6.20 7.00
Rated Output (KW) 0.18 0.27 0.37 0.48 0.59 0.65 0.71 0.86 1.00 1.19
Efficiency (%) 0.0 36.5 52.5 60.5 64.0 66.2 66.5 66.5 65.5 63.5
Power Factor (%) 19.0 28.5 38.0 47.0 56.0 59.8 61.0 66.5 71.0 74.5
Speed (RPM) 1,200 1,192 1,185 1,178 1,170 1,166 1,163 1,155 1,140 1,125
Temp. Rise @ FL 0.0 0.0 0.0 0.0 71.0 80.0 0.0 0.0 0.0 0.0
Torque (ft-lbs) 0.00 8.98 17.80 26.80 35.90 41.50 45.20 54.70 64.50 74.80
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