Marathon 0.50 HP Explosion Proof Motor, 3 phase, 1800 RPM, 575 V, 56C Frame, EPFC - G844

Catalog #:G844
Part #:056T17G5318
  • Frame Construction: Rolled Steel
  • Thermal Protection: Auto Overload
  • Class/Group: Class I, Groups C & D, Class II, Groups F & G
  • Temperature Code: T3B
  • Conduit Box: Shipped Loose
  • Suitable for Group C
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Weight:32.00 LB
List Price: $962.00

General Specifications

UPC: 722856022851 Weight: 32.00 LB
Packaged Length: 16.38 IN Packaged Width: 10.5 IN
Packaged Height: 8.62 IN

Nameplate Specifications

Output HP: 0.50 Hp Output KW: 0.37 kW
Frequency: 60 Hz Voltage: 575 V
Current: 0.95 A Speed: 1725 rpm
Service Factor: 1 Phase: 3
Efficiency: 68 % Power Factor: 61.1
Duty: Continuous Insulation Class: B
Design Code: B KVA Code: M
Frame: 56C Enclosure: Explosion Proof Fan cooled
Thermal Protection: Automatic Ambient Temperature: 40 °C
Drive End Bearing Size: 6203 Opp Drive End Bearing Size: 6203
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 T3B

Technical Specifications

Electrical Type: Squirrel Cage Induction Run Starting Method: Across The Line
Poles: 4 Rotation: Reversible
Resistance Main: 40 Ohms Mounting: Round
Motor Orientation: Horizontal Drive End Bearing: Ball
Opp Drive End Bearing: Ball Frame Material: Rolled Steel
Shaft Type: T Overall Length: 13.94 in
Frame Length: 6.81 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)
Break-Down 4.80 400.0 7.20 480.0 1,150 86.0 0.50
Locked-Rotor 7.00 583.0 6.20 413.0 0 82.0 0.50
Pull-Up 6.50 542.0 6.20 413.0 500 0.50
Full Load 1.20 100.0 1.50 100.0 1,725 0.50
No Load 0.92 77.0 0.00 0.0 1,800 0.50
2/3 6.20 517.0 6.60 440.0 750 0.50
1/3 6.80 567.0 6.00 400.0 250 0.50

Load Characteristics

% of Rated Load 0 % 25 % 50 % 75 % 100 % 115 % 125 % 150 % 175 %
Current (Amps) 0.74 0.75 0.78 0.80 0.96 1.00 1.04 1.08 1.16
Rated Output (KW) 0.10 0.20 0.30 0.40 0.51 0.58 0.62 0.74 0.87
Efficiency (%) 0.0 48.0 63.5 65.5 68.0 70.0 72.5 75.5 75.5
Power Factor (%) 14.0 26.0 38.0 48.5 61.1 63.0 65.0 71.0 76.0
Speed (RPM) 1,800 1,785 1,775 1,750 1,725 1,722 1,720 1,715 1,700
Temp. Rise @ FL 0.0 0.0 0.0 0.0 45.0 60.0 75.0 0.0 0.0
Torque (ft-lbs) 0.00 0.37 0.74 1.10 1.50 1.80 2.00 2.30 2.70
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