Marathon 1 HP Brake Motor, 3 phase, 1800 RPM, 208-230/460 V, 56C Frame, TEFC - D456

Catalog #:D456
Part #:056T17F5357
  • 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)
  • Universal mounting up to 15 Lb-Ft, C406 has vertical springs included, for larger brakes, see mod section
  • CR200 Corona resistant magnet wire (motor can be operated 10:1 variable torque and 2:1 constant torque)
  • 1.15 Service Factor, 1.0 Service Factor where footnoted
  • Bolt-on removable base for footless mounting option
  • Will become build-up item when current stock is gone
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Weight:35.00 LB
List Price: $1,689.00

General Specifications

UPC: 722856027733 Weight: 35.00 LB
Packaged Length: 19.88 IN Packaged Width: 10.25 IN
Packaged Height: 8.12 IN

Nameplate Specifications

Output HP: 1 Hp Output KW: 0.75 kW
Frequency: 60 Hz Voltage: 208-230/460 V
Current: 3.4-3.6/1.8 A Speed: 1725 rpm
Service Factor: 1.15 Phase: 3
Efficiency: 77 % Power Factor: 68.4
Duty: Continuous Insulation Class: B
Design Code: B KVA Code: L
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: 4 Rotation: Reversible
Resistance Main: 17.9 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: 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 8.20 456.0 12.50 417.0 1,180 83.5 1.00
Pull-Up 11.50 639.0 8.80 293.0 500 1.00
Full Load 1.80 100.0 3.00 100.0 1,730 1.00
1/3 12.00 667.0 8.50 283.0 150 1.00
Locked-Rotor 12.50 694.0 10.20 340.0 0 73.0 1.00
No Load 1.20 67.0 0.00 0.0 1,800 1.00
2/3 10.50 583.0 9.50 317.0 800 1.00

Load Characteristics

% of Rated Load 0 % 25 % 50 % 75 % 100 % 115 % 125 % 150 % 175 %
Current (Amps) 1.20 1.30 1.40 1.60 1.80 1.90 2.00 2.30 2.60
Rated Output (KW) 0.12 0.31 0.51 0.72 0.93 1.10 1.20 1.40 1.70
Efficiency (%) 0.0 61.0 73.5 77.0 77.0 77.0 77.0 77.0 76.5
Power Factor (%) 11.5 29.0 45.0 60.0 68.4 71.0 73.5 78.5 82.0
Speed (RPM) 1,800 1,785 1,775 1,755 1,730 1,725 1,720 1,710 1,685
Temp. Rise @ FL 0.0 0.0 0.0 0.0 55.0 70.0 85.0 0.0 0.0
Torque (ft-lbs) 0.00 0.74 1.50 2.20 3.00 3.50 3.80 4.60 5.50
Catalog #:D456A
Part #:056T17F15655
List Price: $1,915.00
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