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250 hp 449T Frame Three Phase AC Motor

ECR92504TR-4

250 hp 449T Frame Three Phase AC Motor
Item #111453549
  • TEFC Enclosure
  • 250 hp
  • 60 Hz Frequency
  • 449T Frame
250 hp 449T Frame Three Phase AC Motor
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    Shipment Options
  • TEFC Enclosure
  • 250 hp
  • 60 Hz Frequency
  • 449T Frame
Motor Application Crusher Duty
Shaft Dia. 3.375 in
Service Factor 1.15
Design C
RPM 1,800 rpm
NEMA Design A
End Plate Standard
Type AC Motor
Enclosure TEFC
Voltage Rating 460
Useable at 208V No
Speed 1785 rpm
Torque Rating 736.0 ft lb
Shaft Diameter 3.38 in
Duty Cycle Continuous
Synchronous 1800 rpm
Full Load Amps 278
BALD Family Names Severe Duty
Shaft Grounding No
Hz 60 Hz
Inverter Duty Inverter Ready
Multispeed Single Speed
Rated Efficiency 96.2 %
Insulation Class F
Power Factor 88
Bearing Type Roller Bearing
Ambient Temperature 104 °F
Epact Nominal Full Load Efficiency 96.2 %
Frame Material Iron
Enclosure Designation TEFC - Totally Enclosed Fan Cooled
Frequency 60 Hz
Efficiency Group Standard Efficient
Speed [Max] 3600
Frame Size 449T
Mount Type F1
Brake Feature No
Full Load Current 278
Voltage 460 V
Frame 449T
Mounting Rigid Base
Efficiency 96.2%
Phase Three Phase
Poles 4
Overall Length 53.24 in
Base Rigid
HP 250
Standard CCSAUSEEV, NEMA
Shaft Rotation Reversible
Weight 2694.0 LB
EAN or UPC 781568785751
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