Marathon 1 HP Washdown Motor, 3 phase, 1800 RPM, 208-230/460 V, 143TC Frame, TEFC - N434A

Catalog #:N434A
Part #:143TTWD4527
  • Suitable for use on VFD 10:1 Variable torque, 10:1 (TEFC) or Suitable for use on VFD 10:1 Variable torque, 10:1 (TEFC) or 1000:1 (TENV) Constant Torque
  • MAX GUARD® Class F insulation system
  • 1.15 Service Factor on sinewave, 1.0 Service Factor on IGBT power
  • Double sealed ball bearings
  • 303 stainless steel shaft with spring loaded contact seals in each end.(Drive end only on TENV)
  • 300 Series Stainless steel external construction: frame, endshields, conduit box, mounting base and hardware for superior corrosion resistance
  • Internal corrosion resistant coatings on rotor and heavy polyester varnish on the stator
  • 100% Paint-free construction
  • One way condensation drains in each endshield and conduit box for all angle mounting
  • Nitrile Buna - N gaskets and seals on conduit box, through bolts and endshields
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Weight:43.00 LB
List Price: $1,570.00

General Specifications

UPC: 722856030160 Weight: 43.00 LB
Packaged Length: 15.81 IN Packaged Width: 14.31 IN
Packaged Height: 9.38 IN

Nameplate Specifications

Output HP: 1 Hp Output KW: 0.75 kW
Frequency: 60 Hz Voltage: 208-230/460 V
Current: 3.2-3.0/1.5 A Speed: 1740 rpm
Service Factor: 1.15 Phase: 3
Efficiency: 82.5 % Power Factor: 74
Duty: Continuous Insulation Class: F
Design Code: B KVA Code: M
Frame: 143TC Enclosure: Totally Enclosed Fan Cooled
Thermal Protection: No Ambient Temperature: 40 °C
Drive End Bearing Size: 6205 Opp Drive End Bearing Size: 6205
UL: Recognized CSA: Y
CE: Y IP Code: 55

Technical Specifications

Electrical Type: Squirrel Cage Induction Run Starting Method: Across The Line
Poles: 4 Rotation: Reversible
Resistance Main: 11.75 Ohms Mounting: Round
Motor Orientation: Horizontal Drive End Bearing: Ball
Opp Drive End Bearing: Ball Frame Material: Rolled Steel
Shaft Type: T Overall Length: 13.62 in
Shaft Diameter: 0.875 in Shaft Extension: 2.25 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)
Locked-Rotor 12.80 853.0 10.80 360.0 0 0.00 0.0 1.00
Pull-Up 0.00 0.0 8.90 297.0 0 0.00 0.0 1.00
Break-Down 0.00 0.0 12.80 427.0 0 0.00 0.0 1.00
Full Load 1.50 100.0 3.00 100.0 1,755 0.00 0.0 1.00

Load Characteristics

% of Rated Load 0 % 25 % 50 % 75 % 100 % 125 % 150 %
Current (Amps) 0.88 0.94 1.10 1.30 1.50 1.75 2.00
Rated Output (KW) 0.08 0.28 0.49 0.69 0.90 1.12 1.33
Efficiency (%) 0.0 72.1 77.7 83.9 83.1 84.1 82.9
Power Factor (%) 11.1 37.7 55.6 66.4 75.3 80.2 83.7
Speed (RPM) 1,798 1,789 1,777 1,767 1,755 1,742 1,729
Temp. Rise @ FL 0.0 0.0 0.0 0.0 30.0 0.0 0.0
Torque (ft-lbs) 0.00 0.80 1.50 2.30 3.00 3.80 4.50
Catalog #:N434B
Part #:143TTWD6527
List Price: $1,570.00
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