General Purpose Motor, 25 & 20 HP, 3 Ph, 60 & 50 Hz, 208-230/460 & 190/380 V, 1800 & 1500 RPM, 284T Frame, TEFC

General Purpose Motor, 25 & 20 HP, 3 Ph, 60 & 50 Hz, 208-230/460 & 190/380 V, 1800 & 1500 RPM, 284T Frame, TEFC

Part#: 284TTFC4026

Catalog#: E961A

Model#: 284TTFC4026BA

Weight: 409 lb

Key Features


  • Suitable for use on a VFD. Variable Torque and Constant Torque (as noted)
  • 1.15 Service Factor on sinewave, 1.0 Service Factor on IGBT power
  • F1 conduit box on Rigid Base, F3 on C-Face Footed (Rigid Base) motors
  • Shaft slinger, Class F insulation,
  • Ball bearings (except as noted)
  • C-Face Footed models are rated 60/50 Hz, same HP
  • Motors accept C-face kits, as noted
  • UL Recognized, CSA Certified and CE Mark
  • 1.15 Service Factor

Specifications


Phase Phase: 3 Output HP Output HP: 25 & 20 Hp
Output KW Output KW: 18.7 & 14.9 kW Voltage Voltage: 208-230/460 & 190/380 V
Speed Speed: 1770 & 1470 rpm Service Factor Service Factor: 1.15 & 1.15
Frame Frame: 284T Enclosure Enclosure: Totally Enclosed Fan Cooled
Thermal Protection Thermal Protection: No Protection Efficiency Efficiency: 92.4 & 93 %
Ambient Temperature Ambient Temperature: 40 °C Frequency Frequency: 60 & 50 Hz
Current Current: 65-60/30 & 58/29 A Power Factor Power Factor: 84
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: 6311 Opp Drive End Bearing Size Opp Drive End Bearing Size: 6210
UL UL: Recognized CSA CSA: Y
CE CE: N 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: 4 Rotation Rotation: Reversible
Resistance Main Resistance Main: .295 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 Overall Length Overall Length: 26.44 in
Frame Length Frame Length: 12.75 in Shaft Diameter Shaft Diameter: 1.875 in
Shaft Extension Shaft Extension: 4.62 in Assembly/Box Mounting Assembly/Box Mounting: F1/F2 CAPABLE
Service Factor Service Factor: 1.15 Frame Suffix Frame Suffix: T
Current Current: 65.0-60.0/30.0 A Synchronous RPM Synchronous RPM: 1800 & 1500 rpm
Frequency Frequency: 60 Hz Speed Speed: 1770 rpm
Connection Drawing Connection Drawing: A-EE7308 Outline Drawing Outline Drawing: B-SS200144-1275
Voltage Voltage: 208-230/460 V Output KW Output KW: 18.7 kW
Output HP Output HP: 25 Hp Frame Size Frame Size: 284
Torque UOM Torque UOM: LB-FT Efficiency Efficiency: 92.4 %
Packaged Length Packaged Length: 31.77 IN Weight Weight: 409.00 LB
UPC UPC: 722856197023 Packaged Width Packaged Width: 28.03 IN
HTC HTC: 8501.52.8040 Country of Origin Country of Origin: China
Packaged Height Packaged Height: 28.14 IN
% of Rated Load0%25%50%75%100%115%125%
% of Rated Load: Current (Amps) 0%: 11.00 25%: 13.00 50%: 17.50 75%: 23.00 100%: 30.00 115%: 34.00 125%: 37.00
% of Rated Load: Rated Output (KW) 0%: 0.50 25%: 5.20 50%: 10.00 75%: 15.00 100%: 20.00 115%: 23.00 125%: 25.00
% of Rated Load: Efficiency (%) 0%: 0.0 25%: 90.2 50%: 92.4 75%: 93.0 100%: 92.4 115%: 92.4 125%: 91.7
% of Rated Load: Power Factor (%) 0%: 4.5 25%: 50.0 50%: 71.0 75%: 80.0 100%: 84.0 115%: 84.5 125%: 85.0
% of Rated Load: Speed (RPM) 0%: 1,800 25%: 1,795 50%: 1,785 75%: 1,778 100%: 1,770 115%: 1,765 125%: 1,760
% 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%: 100.0
% of Rated Load: Torque (ft-lbs) 0%: 0.00 25%: 18.50 50%: 36.50 75%: 55.50 100%: 74.00 115%: 85.50 125%: 93.50
CurvepointCurrent (Amps)Current (%)Torque (ft-lbs)Torque (%)Speed (RPM)Rated Output (KW)Power Factor (%)Rated Output (Hp)
Curvepoint: Pull-Up Current (Amps): 170.00 Current (%): 567.0 Torque (ft-lbs): 142.00 Torque (%): 192.0 Speed (RPM): 900 Rated Output (KW): Power Factor (%): Rated Output (Hp): 25.00
Curvepoint: Break-Down Current (Amps): 115.00 Current (%): 383.0 Torque (ft-lbs): 205.00 Torque (%): 277.0 Speed (RPM): 1,650 Rated Output (KW): Power Factor (%): 66.0 Rated Output (Hp): 25.00
Curvepoint: 1/3 Current (Amps): 175.00 Current (%): 583.0 Torque (ft-lbs): 145.00 Torque (%): 196.0 Speed (RPM): 600 Rated Output (KW): Power Factor (%): Rated Output (Hp): 25.00
Curvepoint: No Load Current (Amps): 11.00 Current (%): 37.0 Torque (ft-lbs): 0.00 Torque (%): 0.0 Speed (RPM): 1,800 Rated Output (KW): Power Factor (%): Rated Output (Hp): 25.00
Curvepoint: 2/3 Current (Amps): 160.00 Current (%): 533.0 Torque (ft-lbs): 150.00 Torque (%): 203.0 Speed (RPM): 1,200 Rated Output (KW): Power Factor (%): Rated Output (Hp): 25.00
Curvepoint: Locked-Rotor Current (Amps): 182.00 Current (%): 607.0 Torque (ft-lbs): 165.00 Torque (%): 223.0 Speed (RPM): 0 Rated Output (KW): Power Factor (%): 41.0 Rated Output (Hp): 25.00
Curvepoint: Full Load Current (Amps): 30.00 Current (%): 100.0 Torque (ft-lbs): 74.00 Torque (%): 100.0 Speed (RPM): 1,770 Rated Output (KW): Power Factor (%): Rated Output (Hp): 25.00

Efficiency


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