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Marathon Electric 256TTFNA7028

Card brand motor
Get full specifications on Marathon Electric 256TTFNA7028
  • General Details
  • Technical Details
  • Area Classification
  • Performance
  • Speed Range
  • Misc
  • Enclosure: TEFC
  • HP: 20
  • Pole: 4
  • RPM: 1800
  • Frame: 256HP
  • Category: Pump Motor
  • KW: 14.92
  • Motor Standards: NEMA
  • Motor Type: AC Motor
  • Phase: 3
  • Hertz: 60
  • Efficiency: EPAct Efficient
  • Enclosure: TEFC
  • HP: 20
  • Pole: 4
  • RPM: 1800
  • Frame: 256HP
  • Full Load Amps: 50.0/25.0
  • Weight: 587
  • Nema Design: B
  • Insulation Class: F
  • Ambient Teperature: 40
  • Service Factor: 1.15
  • Ingress Protection: 43
  • Elevation: 3300
  • Frame Material: Cast Iron
  • Paint: GRAY (ENAMEL)
  • Flange: P-Base
  • Space Heaters: Optional
  • KW: 14.92
  • Voltage: 230/460
  • Full Load Speed: 1765
  • Efficiency 100: 91
  • Efficiency 75: 91
  • Efficiency 50: 90.2
  • Power Factor 100: 82
  • Power Factor 75: 79.5
  • Power Factor 50: 70
  • Locked Rotor Torque: 108 LB-FT 182%
  • Breakdown Torque: 145 LB-FT 244%
  • Locked Rotor Current: 280 / 140
  • Rotor Inertia lb ft: 2.7 LB-FT^2
  • Voltage: 230/460

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