Marathon 100 HP Definite Purpose AC Motor, 3 phase, 1200 RPM, 460 V, 444T Frame, TEFC - Y851A

Catalog #:Y851A
Part #:444TTFC6683
  • Meets or exceeds NEMA Premium® efficiency. Model is in compliance with EISA2007
  • Cast iron frame and brackets
  • Inverter Duty 10:1 Variable Torque and 10:1 Constant Torque
  • Class F Insulation
  • Standard assembly F1, reversible to F2 assembly
  • 12 Leads for WYE-DELTA, part winding on low voltage, or across-the-line starting
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Weight:2,106.00 LB
List Price: $24,612.00

General Specifications

UPC: 722856055149 Weight: 2,106.00 LB
Packaged Length: 54 IN Packaged Width: 35 IN
Packaged Height: 31 IN

Nameplate Specifications

Output HP: 100 Hp Output KW: 75.0 kW
Frequency: 60 Hz Voltage: 460 V
Current: 114.0 A Speed: 1188 rpm
Service Factor: 1.15 Phase: 3
Efficiency: 95 % Power Factor: 86
Duty: Continuous Insulation Class: F
Design Code: C KVA Code: G
Frame: 444T Enclosure: Totally Enclosed Fan Cooled
Thermal Protection: No Ambient Temperature: 40 °C
Drive End Bearing Size: NU319 Opp Drive End Bearing Size: 6317
UL: Recognized CSA: Y
CE: Y IP Code: 55

Technical Specifications

Electrical Type: Squirrel Cage Inverter Rated Starting Method: Part Wdg Start & Wye Start Delta Run Or Inverter
Poles: 6 Rotation: Reversible
Resistance Main: .045 Ohms Mounting: Rigid Base
Motor Orientation: Horizontal Drive End Bearing: Roller
Opp Drive End Bearing: Ball Frame Material: Cast Iron
Shaft Type: T Overall Length: 50.78 in
Shaft Diameter: 3.375 in Shaft Extension: 8.5 in
Assembly/Box Mounting: F1/F2 CAPABLE

Speed Characteristics

Curvepoint Current (Amps) Current (%) Torque (ft-lbs) (%) Speed (RPM) Rated Output (KW) Power Factor (%) Rated Output (Hp)
Break-Down 375.00 330.0 1,000.00 225.0 1,150 62.0 100.00
No Load 35.00 30.5 0.00 0.0 1,200 5.5 100.00
1/3 700.00 615.0 800.00 180.0 400 100.00
Locked-Rotor 725.00 635.0 950.00 215.0 0 34.0 100.00
Full Load 115.00 100.0 442.00 100.0 1,188 85.0 100.00
2/3 575.00 505.0 900.00 205.0 800 100.00
Pull-Up 650.00 570.0 800.00 180.0 600 100.00

Load Characteristics

% of Rated Load 0 % 25 % 50 % 75 % 100 % 115 % 125 %
Current (Amps) 35.00 44.00 65.00 89.00 114.00 132.00 145.00
Rated Output (KW) 2.00 20.50 39.50 58.80 78.50 90.50 99.00
Efficiency (%) 0.0 91.0 94.5 95.0 95.0 95.0 94.5
Power Factor (%) 6.5 59.0 78.0 84.0 86.0 86.5 86.5
Speed (RPM) 1,200 1,196 1,193 1,190 1,188 1,186 1,184
Temp. Rise @ FL 0.0 0.0 0.0 0.0 80.0 110.0 0.0
Torque (ft-lbs) 0.00 110.00 220.00 331.00 442.00 510.00 554.00
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