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Other Purpose Motor, 10 HP, 3 Ph, 60 Hz, 230/460/796 V, 1200 RPM, 256T Frame, DP
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Other Purpose Motor, 10 HP, 3 Ph, 60 Hz, 230/460/796 V, 1200 RPM, 256T Frame, DP

Part#: 256TTDX7391

Catalog#: Y204

Model#: 256TTDX7391AB

Weight: 462 lb

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Key Features

  • NEMA design D for extra high starting and breakdown torques
  • Normally closed thermostats (one per phase, Class F)
  • Fully guarded with screens on all external openings
  • Copper bar rotor on 500 frame
  • Low starting current with 5-8% slip
  • Class F insulation, F2 conduit box location
  • Shaft slinger
  • Special “oil well” duty
  • Ball bearings
  • Will become build-up item when current stock is gone

Specifications

Phase Phase: 3 Output HP Output HP: 10 Hp
Output KW Output KW: 7.5 kW Voltage Voltage: 230/460/796 V
Speed Speed: 1130 rpm Service Factor Service Factor: 1.15
Frame Frame: 256T Enclosure Enclosure: Drip Proof
Thermal Protection Thermal Protection: No Protection Efficiency Efficiency: 86.5 %
Ambient Temperature Ambient Temperature: 40 °C Frequency Frequency: 60 Hz
Current Current: 29.0/14.5/8.4 A Power Factor Power Factor: 75
Duty Duty: Continuous Insulation Class Insulation Class: F
Design Code Design Code: D KVA Code KVA Code: J
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: N
CE CE: N IP Code IP Code: 23
Number of Speeds Number of Speeds: 1
Electrical Type Electrical Type: Squirrel Cage Induction Run Starting Method Starting Method: Across The Line
Poles Poles: 6 Rotation Rotation: Reversible
Resistance Main Resistance Main: .805 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 Overall Length Overall Length: 23.04 in
Frame Length Frame Length: 15.15 in Shaft Diameter Shaft Diameter: 1.625 in
Shaft Extension Shaft Extension: 4.19 in Assembly/Box Mounting Assembly/Box Mounting: F2-ODE-Box
Service Factor Service Factor: 1.15 Frame Suffix Frame Suffix: T
Current Current: 29.0/14.5/8.4 A Synchronous RPM Synchronous RPM: 1200 rpm
Frequency Frequency: 60 Hz Speed Speed: 1130 rpm
Connection Drawing Connection Drawing: A-EE7326C Outline Drawing Outline Drawing: A-SS88053-1515
Voltage Voltage: 230/460/796 V Output KW Output KW: 7.5 kW
Output HP Output HP: 10 Hp Frame Size Frame Size: 256
Torque UOM Torque UOM: LB-FT Efficiency Efficiency: 86.5 %
Packaged Length Packaged Length: 30.50 IN Weight Weight: 462.00 LB
UPC UPC: 722856043085 Packaged Width Packaged Width: 16.81 IN
HTC HTC: 8501.52.4000 Country of Origin Country of Origin: United States of America
Packaged Height Packaged Height: 14.00 IN
% of Rated Load0%25%50%75%100%115%125%
% of Rated Load: Current (Amps) 0%: 7.50 25%: 8.00 50%: 9.50 75%: 11.80 100%: 14.50 115%: 16.20 125%: 17.50
% of Rated Load: Rated Output (KW) 0%: 0.40 25%: 2.30 50%: 4.20 75%: 6.40 100%: 8.60 115%: 10.00 125%: 11.00
% of Rated Load: Efficiency (%) 0%: 0.0 25%: 83.0 50%: 87.5 75%: 87.5 100%: 86.5 115%: 86.0 125%: 85.0
% of Rated Load: Power Factor (%) 0%: 7.0 25%: 35.5 50%: 56.0 75%: 68.5 100%: 75.0 115%: 77.5 125%: 78.5
% of Rated Load: Speed (RPM) 0%: 1,200 25%: 1,185 50%: 1,170 75%: 1,155 100%: 1,130 115%: 1,120 125%: 1,105
% of Rated Load: Temp. Rise @ FL 0%: 0.0 25%: 0.0 50%: 0.0 75%: 0.0 100%: 70.0 115%: 90.0 125%: 0.0
% of Rated Load: Torque (ft-lbs) 0%: 0.00 25%: 11.20 50%: 22.50 75%: 34.00 100%: 46.20 115%: 53.50 125%: 59.00
CurvepointCurrent (Amps)Current (%)Torque (ft-lbs)Torque (%)Speed (RPM)Rated Output (KW)Power Factor (%)Rated Output (Hp)
Curvepoint: Break-Down Current (Amps): 72.00 Current (%): 497.0 Torque (ft-lbs): 170.00 Torque (%): 368.0 Speed (RPM): 550 Rated Output (KW): Power Factor (%): 67.0 Rated Output (Hp): 10.00
Curvepoint: 2/3 Current (Amps): 82.00 Current (%): 566.0 Torque (ft-lbs): 132.00 Torque (%): 286.0 Speed (RPM): 400 Rated Output (KW): Power Factor (%): Rated Output (Hp): 10.00
Curvepoint: Pull-Up Current (Amps): 90.00 Current (%): 621.0 Torque (ft-lbs): 122.00 Torque (%): 264.0 Speed (RPM): 250 Rated Output (KW): Power Factor (%): Rated Output (Hp): 10.00
Curvepoint: 1/3 Current (Amps): 95.00 Current (%): 655.0 Torque (ft-lbs): 120.00 Torque (%): 260.0 Speed (RPM): 100 Rated Output (KW): Power Factor (%): Rated Output (Hp): 10.00
Curvepoint: Locked-Rotor Current (Amps): 97.00 Current (%): 669.0 Torque (ft-lbs): 130.00 Torque (%): 281.0 Speed (RPM): 0 Rated Output (KW): Power Factor (%): 52.0 Rated Output (Hp): 10.00
Curvepoint: Full Load Current (Amps): 14.50 Current (%): 100.0 Torque (ft-lbs): 46.20 Torque (%): 100.0 Speed (RPM): 1,130 Rated Output (KW): Power Factor (%): Rated Output (Hp): 10.00
Curvepoint: No Load Current (Amps): 7.50 Current (%): 52.0 Torque (ft-lbs): 0.00 Torque (%): 0.0 Speed (RPM): 1,200 Rated Output (KW): Power Factor (%): Rated Output (Hp): 10.00

Efficiency

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