Marathon 7.50 HP Vertical Solid Shaft P-Base Motor, 3 phase, 1200 RPM, 230/460 V, 254HPV Frame, TEFC - M883B

Catalog #:M883B
Part #:254TTFNA16088
  • Normal thrust
  • Class F insulation
  • Suitable for 230 volt part winding start through 100 HP (dual voltage motors)
  • Heavy duty lifting lugs
  • Drip cover/canopy cap included
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Weight:422.00 LB
List Price: $5,611.00

General Specifications

UPC: 722856052841 Weight: 422.00 LB
Packaged Length: 30.75 IN Packaged Width: 21.75 IN
Packaged Height: 18 IN

Nameplate Specifications

Output HP: 7.50 Hp Output KW: 5.6 kW
Frequency: 60 Hz Voltage: 230/460 V
Current: 19.8/9.9 A Speed: 1175 rpm
Service Factor: 1.15 Phase: 3
Efficiency: 91 % Power Factor: 78
Duty: Continuous Insulation Class: F
Design Code: B KVA Code: H
Frame: 254HPV Enclosure: Totally Enclosed Fan Cooled
Thermal Protection: No Ambient Temperature: 40 °C
Drive End Bearing Size: 6309 Opp Drive End Bearing Size: 6210
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: 1.319 Ohms Mounting: Round
Motor Orientation: Shaft Down Drive End Bearing: Ball
Opp Drive End Bearing: Ball Frame Material: Cast Iron
Shaft Type: HP Overall Length: 28.26 in
Frame Length: 12.25 in Shaft Diameter: 1.125 in
Shaft Extension: 2.75 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)
Locked-Rotor 63.50 641.0 72.00 215.0 0 42.0 7.50
Full Load 9.90 100.0 33.50 100.0 1,175 7.50
No Load 4.80 48.0 0.00 0.0 1,200 7.50
Pull-Up 59.00 596.0 69.00 206.0 600 7.50
1/3 61.00 616.0 64.00 191.0 250 7.50
Break-Down 39.50 399.0 103.00 307.0 1,065 70.0 7.50
2/3 57.00 576.0 77.00 230.0 800 7.50

Load Characteristics

% of Rated Load 0 % 25 % 50 % 75 % 100 % 115 % 125 %
Current (Amps) 4.80 5.30 6.50 8.00 9.90 11.00 12.00
Rated Output (KW) 0.30 1.50 3.00 4.50 6.00 7.00 8.00
Efficiency (%) 0.0 85.5 90.2 91.0 91.0 90.2 90.2
Power Factor (%) 7.0 40.0 61.0 72.5 78.0 80.0 80.5
Speed (RPM) 1,200 1,195 1,190 1,180 1,175 1,170 1,165
Temp. Rise @ FL 0.0 25.0 20.0 0.0 40.0 55.0 70.0
Torque (ft-lbs) 0.00 8.00 16.50 25.00 33.50 38.50 42.00
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