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Speed Ratio Motor, 20 & 20 HP, 3 Ph, 60 & 50 Hz, 230/460 & 208/415 V, 1800 & 1500 RPM, 256TC Frame, TEFC
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Speed Ratio Motor, 20 & 20 HP, 3 Ph, 60 & 50 Hz, 230/460 & 208/415 V, 1800 & 1500 RPM, 256TC Frame, TEFC

Part#: LM22841

Catalog#: LM22841

Model#: AF4P20TC61Q40

Weight: 185 lb

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Key Features

  • Inverter duty insulation system
  • Constant HP range at 2x base speed 56 - 256T frames
  • Constant HP range at 1.5x base speed 284T - 445T frames
  • No mounting available for encoder devices
  • Normally closed thermostats
  • Steel and aluminum frame construction - see notes
  • Precision balanced rotors

Specifications

Phase Phase: 3 Output HP Output HP: 20 & 20 Hp
Output KW Output KW: 14.9 & 14.9 kW Voltage Voltage: 230/460 & 208/415 V
Speed Speed: 1765 & 1465 rpm Service Factor Service Factor: 1.0 & 1.0
Frame Frame: 256TC Enclosure Enclosure: Totally Enclosed Fan Cooled
Thermal Protection Thermal Protection: No Protection Efficiency Efficiency: 91 & 90.2 %
Ambient Temperature Ambient Temperature: 40 °C Frequency Frequency: 60 & 50 Hz
Current Current: 50/25 & 56/28 A Power Factor Power Factor: 82
Duty Duty: Continuous Insulation Class Insulation Class: F
Design Code Design Code: INV KVA Code KVA Code: F
Drive End Bearing Size Drive End Bearing Size: 309 Opp Drive End Bearing Size Opp Drive End Bearing Size: 208
UL UL: Recognized CSA CSA: Y
CE CE: Y IP Code IP Code: 43
Number of Speeds Number of Speeds: 1
Electrical Type Electrical Type: Squirrel Cage Inverter Duty Starting Method Starting Method: Inverter Only
Poles Poles: 4 Rotation Rotation: Reversible
Resistance Main Resistance Main: .468 Ohms Mounting Mounting: Rigid Base
Motor Orientation Motor Orientation: Horizontal Drive End Bearing Drive End Bearing: Ball
Opp Drive End Bearing Opp Drive End Bearing: Ball Frame Material Frame Material: Aluminum
Shaft Type Shaft Type: T Overall Length Overall Length: 25.75 in
Frame Length Frame Length: 13.75 in Shaft Diameter Shaft Diameter: 1.625 in
Shaft Extension Shaft Extension: 4 in Assembly/Box Mounting Assembly/Box Mounting: F1/F2 CAPABLE
Inverter Load Inverter Load: VARIABLE 10:1
Service Factor Service Factor: 1 Frame Suffix Frame Suffix: TC
Current Current: 50.0/25.0 A Synchronous RPM Synchronous RPM: 1800 & 1500 rpm
Frequency Frequency: 60 Hz Speed Speed: 1765 rpm
Connection Drawing Connection Drawing: A-EE7308T-LN Outline Drawing Outline Drawing: B-SS321103LN-1375
Voltage Voltage: 230/460 V Output KW Output KW: 14.9 kW
Output HP Output HP: 20 Hp Frame Size Frame Size: 256
Torque UOM Torque UOM: LB-FT Efficiency Efficiency: 91 %
Packaged Length Packaged Length: 16.38 IN Weight Weight: 185.00 LB
UPC UPC: 691720328934 Packaged Width Packaged Width: 10.50 IN
Country of Origin Country of Origin: United States of America Packaged Height Packaged Height: 8.12 IN
% of Rated Load0%25%50%75%100%115%125%150%200%
% of Rated Load: Current (Amps) 0%: 10.00 25%: 12.00 50%: 15.00 75%: 20.00 100%: 25.00 115%: 28.50 125%: 32.00 150%: 0.00 200%: 0.00
% of Rated Load: Rated Output (KW) 0%: 0.50 25%: 4.50 50%: 8.50 75%: 12.50 100%: 16.50 115%: 19.00 125%: 20.50 150%: 0.00 200%: 0.00
% of Rated Load: Efficiency (%) 0%: 0.0 25%: 84.0 50%: 89.5 75%: 91.0 100%: 91.0 115%: 90.2 125%: 89.5 150%: 0.0 200%: 0.0
% of Rated Load: Power Factor (%) 0%: 8.0 25%: 48.0 50%: 69.5 75%: 79.5 100%: 82.0 115%: 84.0 125%: 85.5 150%: 0.0 200%: 0.0
% of Rated Load: Speed (RPM) 0%: 1,800 25%: 1,790 50%: 1,785 75%: 1,775 100%: 1,765 115%: 1,760 125%: 1,755 150%: 0 200%: 0
% of Rated Load: Temp. Rise @ FL 0%: 0.0 25%: 0.0 50%: 0.0 75%: 0.0 100%: 65.0 115%: 75.0 125%: 0.0 150%: 0.0 200%: 0.0
% of Rated Load: Torque (ft-lbs) 0%: 0.00 25%: 14.50 50%: 29.50 75%: 44.50 100%: 59.50 115%: 68.50 125%: 75.00 150%: 0.00 200%: 0.00
% of Rated Load: 0%: 25%: 50%: 75%: 100%: 115%: 125%: 150%: 200%:
% of Rated Load: 0%: 25%: 50%: 75%: 100%: 115%: 125%: 150%: 200%:
CurvepointCurrent (Amps)Current (%)Torque (ft-lbs)Torque (%)Speed (RPM)Rated Output (KW)Power Factor (%)Rated Output (Hp)
Curvepoint: Pull-Up Current (Amps): 125.00 Current (%): 500.0 Torque (ft-lbs): 94.00 Torque (%): 158.0 Speed (RPM): 900 Rated Output (KW): Power Factor (%): Rated Output (Hp): 20.00
Curvepoint: 2/3 Current (Amps): 115.00 Current (%): 460.0 Torque (ft-lbs): 105.00 Torque (%): 176.0 Speed (RPM): 1,250 Rated Output (KW): Power Factor (%): Rated Output (Hp): 20.00
Curvepoint: 1/3 Current (Amps): 135.00 Current (%): 540.0 Torque (ft-lbs): 92.00 Torque (%): 155.0 Speed (RPM): 200 Rated Output (KW): Power Factor (%): Rated Output (Hp): 20.00
Curvepoint: Full Load Current (Amps): 25.00 Current (%): 100.0 Torque (ft-lbs): 59.50 Torque (%): 100.0 Speed (RPM): 1,765 Rated Output (KW): Power Factor (%): Rated Output (Hp): 20.00
Curvepoint: No Load Current (Amps): 9.50 Current (%): 38.0 Torque (ft-lbs): 0.00 Torque (%): 0.0 Speed (RPM): 1,800 Rated Output (KW): Power Factor (%): Rated Output (Hp): 20.00
Curvepoint: Break-Down Current (Amps): 86.00 Current (%): 344.0 Torque (ft-lbs): 145.00 Torque (%): 244.0 Speed (RPM): 1,625 Rated Output (KW): Power Factor (%): 67.0 Rated Output (Hp): 20.00
Curvepoint: Locked-Rotor Current (Amps): 140.00 Current (%): 560.0 Torque (ft-lbs): 108.00 Torque (%): 182.0 Speed (RPM): 0 Rated Output (KW): Power Factor (%): 41.5 Rated Output (Hp): 20.00

Efficiency

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Country: Japan
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Country: Saudi Arabia
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Country: South Korea
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