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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
Motor Shaft Size 3 3/8 in
VoltCode G
Useable at 208V No
Mounting Style F-1
RPM 1800 rpm, 1785 rpm
Poles 4
RefPicture CRUSH
Enclosure Designation TEFC - Totally Enclosed Fan Cooled
Drive End Bearing N319
Full Load rpm 1780 rpm
Bearing Type Roller Bearing
Hz 60 Hz
Torque Rating 736 ft lb
Motor Shaft Length 8 1/2 in
Enclosure TEFC
Full Load Amps 282
Full Load Pf 88
Full Load Efficiency 94.5 %
Washdown Duty No
Motor Application Crusher Duty
Phase Three Phase
BALD Family Names Severe Duty
Voltage 460
Design C
Service Factor 1.15
Epact Nominal Full Load Efficiency 94.5 %
Product Line RG
Brake Feature No
Rotation R
Mounting Rigid Base
Frame 447T, 449TY
Frame Size Shaft Input, Not a C-Face
Type 18112M
Frame Material Cast Iron
Efficiency Group Standard Efficient
Mult. Sym. LS
Voltage Rating 460
Open End Bearing 6314
Weight 2526.0 LB
EAN or UPC 781568221655
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