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Multispeed Motor, 10 & 4.44 HP, 3 Ph, 60 & 60 Hz, 460 & 460 V, 1800 & 1800 RPM, 256T Frame, DP
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Multispeed Motor, 10 & 4.44 HP, 3 Ph, 60 & 60 Hz, 460 & 460 V, 1800 & 1800 RPM, 256T Frame, DP

Part#: 256TTDBD7264

Catalog#: Y458A

Model#: 256TTDBD7264AA

Weight: 245 lb

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Key Features

  • IP-22 rolled steel, Meets or exceeds NEMA Premium®* efficiencies, NEMA Premium models are in compliance with EISA2008
  • Class F Insulation System
  • F1/F2 capable, Dynamically balanced rotors, Steel conduit box
  • Dual Frame Mounting
  • Modifications and Kits are available
  • 40°C Ambient, 1.15SF
  • UL®* listed, UL certified for Canada and CE®* mark

Specifications

Phase Phase: 3 Output HP Output HP: 10 & 4.44 Hp
Output KW Output KW: 7.5 & 3.3 kW Voltage Voltage: 460 & 460 V
Speed Speed: 1780 & 1183 rpm Service Factor Service Factor: 1.15 & 1.15
Frame Frame: 256T Enclosure Enclosure: Drip Proof
Thermal Protection Thermal Protection: No Protection Efficiency Efficiency: 89.5 & 86 %
Ambient Temperature Ambient Temperature: 40 °C Frequency Frequency: 60 & 60 Hz
Current Current: 12.1 & 6.2 A Power Factor Power Factor: 83.5
Duty Duty: Continuous Insulation Class Insulation Class: F
Design Code Design Code: 2VT KVA Code KVA Code: H
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: 2
Electrical Type Electrical Type: Squirrel Cage Induction Run Starting Method Starting Method: Across The Line
Poles Poles: 4//6 Rotation Rotation: Reversible
Resistance Main Resistance Main: 1.2412 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: Rolled Steel
Shaft Type Shaft Type: T Shaft Diameter Shaft Diameter: 1.625 in
Assembly/Box Mounting Assembly/Box Mounting: F1/F2 CAPABLE
Service Factor Service Factor: 1.15 Frame Suffix Frame Suffix: T
Current Current: 12.1 A Synchronous RPM Synchronous RPM: 1800 & 1800 rpm
Frequency Frequency: 60 Hz Speed Speed: 1780 rpm
Connection Drawing Connection Drawing: EE7317 Outline Drawing Outline Drawing: SS620685-200
Voltage Voltage: 460 V Output KW Output KW: 7.5 kW
Output HP Output HP: 10 Hp Frame Size Frame Size: 256
Efficiency Efficiency: 89.5 %
% of Rated Load0%25%50%75%100%115%125%
% of Rated Load: Current (Amps) 0%: 5.10 25%: 5.80 50%: 7.50 75%: 9.60 100%: 12.10 115%: 13.60 125%: 14.70
% of Rated Load: Rated Output (KW) 0%: 0.35 25%: 2.24 50%: 4.18 75%: 6.16 100%: 8.21 115%: 9.46 125%: 10.31
% of Rated Load: Efficiency (%) 0%: 0.0 25%: 83.2 50%: 89.3 75%: 90.8 100%: 89.5 115%: 90.7 125%: 90.4
% of Rated Load: Power Factor (%) 0%: 8.7 25%: 48.2 50%: 70.3 75%: 80.6 100%: 83.5 115%: 87.1 125%: 87.8
% of Rated Load: Speed (RPM) 0%: 1,800 25%: 1,795 50%: 1,791 75%: 1,786 100%: 1,780 115%: 1,777 125%: 1,775
% of Rated Load: Temp. Rise @ FL 0%: 0.0 25%: 0.0 50%: 0.0 75%: 0.0 100%: 80.0 115%: 105.0 125%: 0.0
% of Rated Load: Torque (ft-lbs) 0%: 0.00 25%: 7.30 50%: 14.70 75%: 22.10 100%: 29.50 115%: 34.00 125%: 37.00
CurvepointCurrent (Amps)Current (%)Torque (ft-lbs)Torque (%)Speed (RPM)Rated Output (KW)Power Factor (%)Rated Output (Hp)
Curvepoint: Break-Down Current (Amps): 51.00 Current (%): 425.0 Torque (ft-lbs): 88.00 Torque (%): 298.0 Speed (RPM): 1,659 Rated Output (KW): 0.00 Power Factor (%): 73.0 Rated Output (Hp): 10.00
Curvepoint: Locked-Rotor Current (Amps): 85.50 Current (%): 715.0 Torque (ft-lbs): 55.00 Torque (%): 187.0 Speed (RPM): 0 Rated Output (KW): 0.00 Power Factor (%): 43.0 Rated Output (Hp): 10.00

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