Vertical Pump Motor, 20 HP, 3 Ph, 60 Hz, 230/460 V, 3600 RPM, 256HPV Frame, TEFC

Vertical Pump Motor, 20 HP, 3 Ph, 60 Hz, 230/460 V, 3600 RPM, 256HPV Frame, TEFC

Part#: 256TTFNA16106

Catalog#: M892B

Model#: 256TTFNA16106AA

Weight: 413 lb

Key Features


  • Meets or exceeds NEMA Premium® efficiencies
  • Normal thrust
  • Class F insulation
  • Suitable for 230 volt part winding start through 100 HP (dual voltage motors)
  • Heavy duty lifting lugs
  • Drip cover/canopy cap included

Specifications


Phase Phase: 3 Output HP Output HP: 20 Hp
Output KW Output KW: 14.9 kW Voltage Voltage: 230/460 V
Speed Speed: 3540 rpm Service Factor Service Factor: 1.15
Frame Frame: 256HPV Enclosure Enclosure: Totally Enclosed Fan Cooled
Thermal Protection Thermal Protection: No Protection Efficiency Efficiency: 91 %
Ambient Temperature Ambient Temperature: 40 °C Frequency Frequency: 60 Hz
Current Current: 48.0/24.0 A Power Factor Power Factor: 87
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: 43
Number of Speeds Number of Speeds: 1
Electrical Type Electrical Type: Squirrel Cage Induction Run Starting Method Starting Method: Across The Line
Poles Poles: 2 Rotation Rotation: Reversible
Resistance Main Resistance Main: .485 Ohms Mounting Mounting: Round
Motor Orientation Motor Orientation: Shaft Down 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: HP Overall Length Overall Length: 28.26 in
Frame Length Frame Length: 12.25 in Shaft Diameter Shaft Diameter: 1.125 in
Shaft Extension Shaft Extension: 2.75 in Assembly/Box Mounting Assembly/Box Mounting: F1/F2 CAPABLE
Service Factor Service Factor: 1.15 Frame Suffix Frame Suffix: HPV
Current Current: 48.0/24.0 A Synchronous RPM Synchronous RPM: 3600 rpm
Frequency Frequency: 60 Hz Speed Speed: 3540 rpm
Connection Drawing Connection Drawing: A-EE7308K Outline Drawing Outline Drawing: B-SS203116-1225
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 %
% of Rated Load0%25%50%75%100%115%125%
% of Rated Load: Current (Amps) 0%: 7.50 25%: 9.20 50%: 13.50 75%: 18.50 100%: 24.00 115%: 27.50 125%: 30.00
% of Rated Load: Rated Output (KW) 0%: 0.75 25%: 4.20 50%: 8.20 75%: 12.20 100%: 16.50 115%: 19.40 125%: 21.00
% of Rated Load: Efficiency (%) 0%: 0.0 25%: 85.5 50%: 90.2 75%: 91.0 100%: 91.0 115%: 91.0 125%: 90.2
% of Rated Load: Power Factor (%) 0%: 8.5 25%: 59.0 50%: 77.0 75%: 84.0 100%: 87.0 115%: 88.0 125%: 88.0
% of Rated Load: Speed (RPM) 0%: 3,600 25%: 3,580 50%: 3,560 75%: 3,540 100%: 3,520 115%: 3,510 125%: 3,490
% of Rated Load: Temp. Rise @ FL 0%: 0.0 25%: 0.0 50%: 0.0 75%: 0.0 100%: 75.0 115%: 105.0 125%: 0.0
% of Rated Load: Torque (ft-lbs) 0%: 0.00 25%: 7.50 50%: 14.80 75%: 22.20 100%: 29.80 115%: 34.50 125%: 37.50
CurvepointCurrent (Amps)Current (%)Torque (ft-lbs)Torque (%)Speed (RPM)Rated Output (KW)Power Factor (%)Rated Output (Hp)
Curvepoint: Pull-Up Current (Amps): 130.00 Current (%): 550.0 Torque (ft-lbs): 50.00 Torque (%): 166.0 Speed (RPM): 1,800 Rated Output (KW): Power Factor (%): Rated Output (Hp): 20.00
Curvepoint: Full Load Current (Amps): 24.00 Current (%): 100.0 Torque (ft-lbs): 29.80 Torque (%): 100.0 Speed (RPM): 3,540 Rated Output (KW): Power Factor (%): 87.0 Rated Output (Hp): 20.00
Curvepoint: 2/3 Current (Amps): 123.00 Current (%): 520.0 Torque (ft-lbs): 58.00 Torque (%): 190.0 Speed (RPM): 2,400 Rated Output (KW): Power Factor (%): Rated Output (Hp): 20.00
Curvepoint: 1/3 Current (Amps): 138.00 Current (%): 580.0 Torque (ft-lbs): 47.00 Torque (%): 156.0 Speed (RPM): 1,200 Rated Output (KW): Power Factor (%): Rated Output (Hp): 20.00
Curvepoint: Locked-Rotor Current (Amps): 145.00 Current (%): 610.0 Torque (ft-lbs): 50.00 Torque (%): 168.0 Speed (RPM): 0 Rated Output (KW): Power Factor (%): 35.0 Rated Output (Hp): 20.00
Curvepoint: No Load Current (Amps): 7.80 Current (%): 30.0 Torque (ft-lbs): 0.00 Torque (%): 0.0 Speed (RPM): 3,600 Rated Output (KW): Power Factor (%): 8.5 Rated Output (Hp): 20.00
Curvepoint: Break-Down Current (Amps): 100.00 Current (%): 420.0 Torque (ft-lbs): 78.00 Torque (%): 265.0 Speed (RPM): 3,200 Rated Output (KW): Power Factor (%): 71.0 Rated Output (Hp): 20.00

Efficiency


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