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20,1500,TEFC,256T,3/50/480
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20,1500,TEFC,256T,3/50/480

Part#: 256TTFNA16848

Catalog#: 256TTFNA16848

Weight: 389 lb

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Specifications

Phase Phase: 3 Output HP Output HP: 20 Hp
Output KW Output KW: 14.9 kW Voltage Voltage: 480 V
Speed Speed: 1475 rpm Service Factor Service Factor: 1.15
Frame Frame: 256T Enclosure Enclosure: Totally Enclosed Fan Cooled
Thermal Protection Thermal Protection: No Protection Efficiency Efficiency: 92.4 %
Ambient Temperature Ambient Temperature: 40 °C Frequency Frequency: 50 Hz
Current Current: 24.2 A Power Factor Power Factor: 81
Duty Duty: Continuous Insulation Class Insulation Class: F
Design Code Design Code: B KVA Code KVA Code: G
Drive End Bearing Size Drive End Bearing Size: 6309 Opp Drive End Bearing Size Opp Drive End Bearing Size: 6210
UL UL: Recognized CSA CSA: Y
CE CE: Y IP Code IP Code: 54
Number of Speeds Number of Speeds: 1 Hazardous Location Hazardous Location: DIVISION 2
Electrical Type Electrical Type: Squirrel Cage Induction Run Starting Method Starting Method: Across The Line
Poles Poles: 4 Rotation Rotation: Reversible
Resistance Main Resistance Main: .29 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: Cast Iron
Shaft Type Shaft Type: T Assembly/Box Mounting Assembly/Box Mounting: F3
Service Factor Service Factor: 1.15 Frame Suffix Frame Suffix: T
Current Current: 24.2 A Frequency Frequency: 50 Hz
Speed Speed: 1475 rpm Connection Drawing Connection Drawing: A-EE7300
Outline Drawing Outline Drawing: B-SS203310-1225 Voltage Voltage: 480 V
Output KW Output KW: 14.9 kW Output HP Output HP: 20 Hp
Frame Size Frame Size: 256 Efficiency Efficiency: 92.4 %
Weight Weight: 389.00 LB Country of Origin Country of Origin: United States of America
% of Rated Load0%25%50%75%100%115%125%
% of Rated Load: Current (Amps) 0%: 12.27 25%: 13.06 50%: 15.83 75%: 19.79 100%: 24.15 115%: 27.31 125%: 29.29
% of Rated Load: Rated Output (KW) 0%: 0.70 25%: 4.30 50%: 8.10 75%: 12.00 100%: 16.00 115%: 18.50 125%: 20.50
% of Rated Load: Efficiency (%) 0%: 0.0 25%: 87.5 50%: 91.7 75%: 92.4 100%: 92.4 115%: 91.7 125%: 91.0
% of Rated Load: Power Factor (%) 0%: 5.0 25%: 39.0 50%: 61.0 75%: 73.0 100%: 81.0 115%: 82.0 125%: 83.0
% of Rated Load: Speed (RPM) 0%: 1,500 25%: 1,495 50%: 1,485 75%: 1,480 100%: 1,475 115%: 1,470 125%: 1,465
% of Rated Load: Temp. Rise @ FL 0%: 0.0 25%: 0.0 50%: 0.0 75%: 0.0 100%: 65.0 115%: 85.0 125%: 0.0
% of Rated Load: Torque (ft-lbs) 0%: 0.00 25%: 17.50 50%: 35.50 75%: 53.50 100%: 71.50 115%: 82.50 125%: 89.50
CurvepointCurrent (Amps)Current (%)Torque (ft-lbs)Torque (%)Speed (RPM)Rated Output (KW)Power Factor (%)Rated Output (Hp)
Curvepoint: Locked-Rotor Current (Amps): 190.00 Current (%): 623.0 Torque (ft-lbs): 145.00 Torque (%): 203.0 Speed (RPM): 0 Rated Output (KW): Power Factor (%): Rated Output (Hp): 20.00
Curvepoint: Break-Down Current (Amps): 135.00 Current (%): 443.0 Torque (ft-lbs): 210.00 Torque (%): 294.0 Speed (RPM): 1,375 Rated Output (KW): Power Factor (%): Rated Output (Hp): 20.00

Efficiency

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