Marathon 0.75 HP Brake Motor, 3 phase, 1200 RPM, 208-230/460 V, 56C Frame, TEFC - D455

Catalog #:D455
Part #:056T11F5327
  • Brake has manual wear adjustment up to 25 lb-ft. for longer pad life
  • Stearns brakes, 56 series through 25 Lb-Ft, 87 series above 35 Lb-Ft and larger
  • Brake leads routed through motor conduit box (TENV only)
  • C-Face Footed Mounting
  • CR200 Corona resistant magnet wire (motor can be operated 10:1 variable torque and 2:1 constant torque)
  • Bolt-on removable base for footless mounting option
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Weight:37.00 LB
List Price: $2,090.00

General Specifications

UPC: 722856027726 Weight: 37.00 LB
Packaged Length: 19.88 IN Packaged Width: 10.25 IN
Packaged Height: 8.12 IN

Nameplate Specifications

Output HP: 0.75 Hp Output KW: 0.56 kW
Frequency: 60/50 Hz Voltage: 208-230/460 V
Current: 3.2-3.2/1.6 A Speed: 1140 rpm
Service Factor: 1.15 Phase: 3
Efficiency: 74 % Power Factor: 59.1
Duty: Continous Insulation Class: B
Design Code: B KVA Code: K
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: Squirrel Cage Induction Run Starting Method: Across The Line
Poles: 6 Rotation: Reversible
Resistance Main: 6.3 Ohms Mounting: Bolt-on Base
Motor Orientation: Horizontal Drive End Bearing: Ball
Opp Drive End Bearing: Ball Frame Material: Rolled Steel
Shaft Type: NEMA 56 Overall Length: 16.73 in
Frame Length: 7.06 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)
Break-Down 6.00 375.0 12.50 368.0 1,050 78.5 0.75
1/3 8.00 500.0 7.50 221.0 300 0.75
Locked-Rotor 8.50 531.0 8.80 259.0 0 68.0 0.75
Full Load 1.60 100.0 3.40 100.0 1,145 0.75
2/3 7.20 450.0 9.20 271.0 900 0.75
No Load 1.30 81.0 0.00 0.0 1,200 0.75
Pull-Up 7.70 481.0 7.90 232.0 600 0.75

Load Characteristics

% of Rated Load 0 % 25 % 50 % 75 % 100 % 115 % 125 % 150 % 175 %
Current (Amps) 1.25 1.30 1.40 1.50 1.60 1.70 1.80 2.00 2.20
Rated Output (KW) 0.11 0.24 0.40 0.55 0.72 0.83 0.90 1.10 1.30
Efficiency (%) 0.0 55.0 68.0 74.0 74.0 75.5 75.5 76.5 74.5
Power Factor (%) 10.5 25.0 37.0 49.0 59.1 63.0 66.0 69.0 73.5
Speed (RPM) 1,200 1,190 1,180 1,165 1,145 1,140 1,135 1,130 1,110
Temp. Rise @ FL 0.0 0.0 0.0 0.0 65.0 85.0 105.0 0.0 0.0
Torque (ft-lbs) 0.00 0.84 1.70 2.50 3.40 4.00 4.60 5.20 6.20
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