Leeson 20 HP Elevator Duty Motor, 3 phase, 1200 RPM, 230/460 V, 286TC Frame, ODP - LM28212

Catalog #:LM28212
Part #:LM28212
  • Dynamic balanced for low vibration operation
  • Normally closed thermostats, one per phase
  • Low noise design; Class F Insulated, 40° C ambient
  • EPAct efficiency or better; 1024 PPR encoder, with 1-inch shaft bore standard
  • Steel frame construction with cast iron end bells; 1000:1 inverter duty capability
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Weight:379 LB
List Price: $8,489.00

General Specifications

UPC: 691720339060 Weight: 379 LB
Packaged Length: 31 IN Packaged Width: 24 IN
Packaged Height: 18.52 IN

Nameplate Specifications

Output HP: 20 Hp Output KW: 14.9 kW
Frequency: 60 Hz Voltage: 230/460 V
Current: 61.0/30.5 A Speed: 1182 rpm
Service Factor: 1 Phase: 3
Efficiency: 85.5 % Power Factor: 71
Duty: Elevator Insulation Class: F
Design Code: INV KVA Code: L
Frame: 286TC Enclosure: Drip Proof
Thermal Protection: No Ambient Temperature: 40 °C
Drive End Bearing Size: 310 Opp Drive End Bearing Size: 209
UL: Recognized CSA: Y
CE: Y IP Code: 22

Technical Specifications

Electrical Type: Squirrel Cage Inverter Duty Starting Method: Wye Start Delta Run Or Inverter
Poles: 6 Rotation: Reversible
Resistance Main: .29 Ohms Mounting: Round
Motor Orientation: Horizontal Drive End Bearing: Ball
Opp Drive End Bearing: Ball Frame Material: Rolled Steel
Shaft Type: T Overall Length: 27.97 in
Frame Length: 14.48 in Shaft Diameter: 1.875 in
Shaft Extension: 4.62 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)
Full Load 30.50 100.0 88.90 100.0 1,182 20.00
Locked-Rotor 250.00 820.0 300.00 337.0 0 40.0 20.00
2/3 200.00 656.0 275.00 309.0 800 20.00
Pull-Up 225.00 738.0 250.00 281.0 600 20.00
No Load 18.50 61.0 0.00 0.0 1,200 20.00
Break-Down 140.00 459.0 325.00 366.0 1,050 69.0 20.00
1/3 240.00 787.0 250.00 281.0 400 20.00

Load Characteristics

% of Rated Load 0 % 25 % 50 % 75 % 100 % 125 % 200 % 275 %
Current (Amps) 18.50 19.50 22.20 26.00 30.50 36.00 55.00 80.00
Rated Output (KW) 2.00 5.50 9.40 13.50 17.50 21.50 35.00 50.00
Efficiency (%) 0.0 67.5 80.0 84.0 85.5 86.5 84.0 78.5
Power Factor (%) 10.0 34.0 52.0 64.0 71.0 75.5 80.5 79.0
Speed (RPM) 1,200 1,195 1,190 1,185 1,182 1,177 1,160 1,135
Temp. Rise @ FL 0.0 0.0 0.0 0.0 100.0 0.0 0.0 0.0
Torque (ft-lbs) 0.00 22.00 44.00 66.50 88.90 112.00 178.00 244.00
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