CN5086 Electric Motor

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Electric Motor Specifications
Voltage/Frequency 4000V u00b1 10%/60 Hz
Type of EX-Protection Class 1 Division 2, Group A,B,C,D T3 (NEC or CEC)
Electric Motor Type Squirrel Cage Induction Motor
Mounting Designation F1 or F2
Number of Poles 8
Full Load Speed 894 r/min (894 r/min)
Connection of Stator Winding Star
Rated Torque 39815 N·m (29366 lb/ft)
Standards NEMA MG1
Maximum Altitude - Before Derate 1000 m (3000 ft)
Service Factor 1 vfd (1.15 SF)
No Load Current 200 Amps
Maximum Ambient Temperature 40 u00b0C (104 u00b0F)
Temperature Rise Class B at rated load
Shaft 216 mm (8.5 in)
Insulation Class F
Enclosure Type/Method of Cooling WP-II
Duty Continuous
Locked Rotor Amps 520% Code E
Full Load Current 658 Amps
Locked Rotor Torque 60%
Breakdown Torque 190%

Standard Equipment

  • Bearings
    • Self-lubricated sleeve bearings
    • Insulated non-drive end bearings to reduce bearing currents
    • Bearing RTDs for temperature monitoring
  • Rotors
    • Designed for minimal vibration
    • Dynamic balancing at full operational speed
    • Fabricated copper squirrel cages
    • Oversized, forged, keyless shaft
    • AISI 4140/DIN42CrMo4 shaft
  • Stators
    • Radial air ducts ensure uniform and efficient cooling
    • Vacuum pressure impregnated with specially formulated epoxy resin
    • 2X RTDS per Phase
    • Space heater
    • Welded and machined stator core retains its rigidity throughout motor life to ensure a sealed and homogeneous insulation system that results in high dielectric strength, excellent heat transfer and the elimination of hazardous internal partial discharges

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