Vertical Pump Motor, 20 HP, 3 Ph, 60 Hz, 230/460 V, 1800 RPM, 256HPV Frame, DP

Vertical Pump Motor, 20 HP, 3 Ph, 60 Hz, 230/460 V, 1800 RPM, 256HPV Frame, DP

Part#: 256TTDX14039

Catalog#: M818A

Model#: 256TTDX14039AA

Weight: 241 lb

Key Features


  • Normal and Medium thrust
  • EPAct and NEMA Premium efficiencies
  • Ball bearings and angular contact bearings for medium thrust applications
  • Class B insulation
  • 1.15 Service Factor
  • Suitable for 230 volt part winding start through 100 HP (dual voltage motors)
  • Heavy duty lifting lugs
  • Drip cover/canopy cap included
  • UL Recognized and CSA Certified
  • UL Listed for Fire Pump applications (except as noted)

Specifications


Phase Phase: 3 Output HP Output HP: 20 Hp
Output KW Output KW: 14.9 kW Voltage Voltage: 230/460 V
Speed Speed: 1750 rpm Service Factor Service Factor: 1.15
Frame Frame: 256HPV Enclosure Enclosure: Drip Proof
Thermal Protection Thermal Protection: No Protection Efficiency Efficiency: 91 %
Ambient Temperature Ambient Temperature: 40 °C Frequency Frequency: 60 Hz
Current Current: 50.0/25.0 A Power Factor Power Factor: 82.5
Duty Duty: Continuous Insulation Class Insulation Class: B
Design Code Design Code: B KVA Code KVA Code: F
Drive End Bearing Size Drive End Bearing Size: 6309 Opp Drive End Bearing Size Opp Drive End Bearing Size: 6208
UL UL: Recognized CSA CSA: Y
CE CE: Y IP Code IP Code: 22
Number of Speeds Number of Speeds: 1
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: .48 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: Rolled Steel
Shaft Type Shaft Type: HP Overall Length Overall Length: 24.30 in
Frame Length Frame Length: 15.15 in Shaft Diameter Shaft Diameter: 1.625 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: 50.0/25.0 A Synchronous RPM Synchronous RPM: 1800 rpm
Frequency Frequency: 60 Hz Speed Speed: 1750 rpm
Connection Drawing Connection Drawing: A-EE7308 Outline Drawing Outline Drawing: A-SS86538-1515
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%: 9.50 25%: 11.00 50%: 14.50 75%: 19.50 100%: 25.00 115%: 29.00 125%: 31.50
% of Rated Load: Rated Output (KW) 0%: 0.50 25%: 4.20 50%: 8.20 75%: 12.20 100%: 16.50 115%: 19.00 125%: 21.00
% of Rated Load: Efficiency (%) 0%: 0.0 25%: 90.2 50%: 92.4 75%: 91.7 100%: 91.0 115%: 90.2 125%: 89.5
% of Rated Load: Power Factor (%) 0%: 4.5 25%: 48.0 50%: 69.5 75%: 79.0 100%: 82.5 115%: 83.0 125%: 83.5
% of Rated Load: Speed (RPM) 0%: 1,800 25%: 1,788 50%: 1,775 75%: 1,765 100%: 1,750 115%: 1,740 125%: 1,730
% 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%: 105.0
% of Rated Load: Torque (ft-lbs) 0%: 0.00 25%: 14.80 50%: 29.50 75%: 44.50 100%: 60.00 115%: 69.00 125%: 75.50
CurvepointCurrent (Amps)Current (%)Torque (ft-lbs)Torque (%)Speed (RPM)Rated Output (KW)Power Factor (%)Rated Output (Hp)
Curvepoint: Pull-Up Current (Amps): 120.00 Current (%): 480.0 Torque (ft-lbs): 115.00 Torque (%): 192.0 Speed (RPM): 900 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: 2/3 Current (Amps): 100.00 Current (%): 400.0 Torque (ft-lbs): 125.00 Torque (%): 208.0 Speed (RPM): 1,200 Rated Output (KW): Power Factor (%): Rated Output (Hp): 20.00
Curvepoint: 1/3 Current (Amps): 130.00 Current (%): 520.0 Torque (ft-lbs): 110.00 Torque (%): 183.0 Speed (RPM): 600 Rated Output (KW): Power Factor (%): Rated Output (Hp): 20.00
Curvepoint: Locked-Rotor Current (Amps): 142.00 Current (%): 568.0 Torque (ft-lbs): 123.00 Torque (%): 205.0 Speed (RPM): 0 Rated Output (KW): Power Factor (%): 43.0 Rated Output (Hp): 20.00
Curvepoint: Full Load Current (Amps): 25.00 Current (%): 100.0 Torque (ft-lbs): 60.00 Torque (%): 100.0 Speed (RPM): 1,750 Rated Output (KW): Power Factor (%): Rated Output (Hp): 20.00
Curvepoint: Break-Down Current (Amps): 80.50 Current (%): 322.0 Torque (ft-lbs): 145.00 Torque (%): 242.0 Speed (RPM): 1,575 Rated Output (KW): Power Factor (%): 69.0 Rated Output (Hp): 20.00

Efficiency


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