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Crusher Duty AC Motor

CR4408TR-4

Crusher Duty AC Motor
Item #101003440
  • Crusher Duty Motor
  • 250 hp
  • 1785 rpm
  • 460 Volts
  • 60 Hz
  • Three Phase
  • 447T Frame
  • Rigid Base
  • TEFC
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Crusher Duty AC Motor
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    Shipment Options
  • Crusher Duty Motor
  • 250 hp
  • 1785 rpm
  • 460 Volts
  • 60 Hz

applications

  • Rock crushers
  • Pellet mills
  • Applications requiring motors rated for severe-duty service and high starting torques
  • crusher

features

  • High torque designs with higher than NEMA Design C locked rotor, pull up, and breakdown torques
  • Corrosion-resistant epoxy finish
  • Relubricatable bearings
  • Oversize, rotatable cast iron conduit box
  • Forsheda® shaft seal
  • Moisture-resistant copper windings
  • Class F insulation
  • Stainless steel nameplate
  • Corrosion-resistant hardware
  • Pulley end roller bearings and high strength steel shaft for belted loads only
  • not suitable for direct coupled loads
  • Tropicalized

caution

  • Service center personnel can advise what listings and approvals motors carry, but cannot evaluate nor recommend what motors may be suitable for use in hazardous environments
RPM 1800 rpm, 1785 rpm
Poles 4
Bearing Type Roller Bearing
Efficiency Group Standard Efficient
VoltCode G
Useable at 208V No
Product Line RG
Service Factor 1.15
Full Load Pf 88
Voltage Rating 460
Motor Shaft Size 3 3/8 in
Frame Size Shaft Input, Not a C-Face
Full Load Efficiency 94.5 %
Mounting Style F-1
Frame 447T, 449TY
Mounting Rigid Base
Phase Three Phase
Design C
Torque Rating 736 ft lb
Mult. Sym. LS
Enclosure TEFC
Open End Bearing 6314
BALD Family Names Severe Duty
Type 18112M
Full Load rpm 1780 rpm
Rotation R
Hz 60 Hz
Full Load Amps 282
Brake Feature No
Washdown Duty No
Epact Nominal Full Load Efficiency 94.5 %
RefPicture CRUSH
Enclosure Designation TEFC - Totally Enclosed Fan Cooled
Motor Application Crusher Duty
Frame Material Cast Iron
Drive End Bearing N319
Motor Shaft Length 8 1/2 in
Voltage 460
Weight 2526.0 LB
EAN or UPC 781568221655
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