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CN1566 Electric Motor

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Electric Motor Specifications
Electric Motor Type Squirrel Cage Induction Motor
Number of Poles 6 (6 )
Full Load Speed 1189 rpm (1189 rpm)
Voltage/Frequency 4000V u00b1 10%/60 Hz
Type of EX-protection Class 1 Division 2 Group A,B,C,D T3 (NEC or CEC)
Mounting Designation F1 or F2
Enclosure Type/Method of Cooling WP-II
Insulation Class F
Service Factor 1.15 SF (1.0 VFD)
Standards NEMA MG1
Max Ambient Temperature 40 u00b0C (104 u00b0F)
Max Altitude Before Derate 1000 m (3000 ft)
Duty Continuous
Temperature Rise Class B at rated load
Connection of Stator Winding Star
Full Load Current 202 Amps
Locked Rotor Amps 500% Code E
Locked Rotor Torque 60%
No Load Current 67 Amps
Rated Torque 8982 Nu2022m (6625 lb-ft)
Shaft 130 mm (5.1 in)

Standard Equipment

  • Bearings
    • Bearing RTDs for temperature monitoring
    • Insulated non-drive end bearings to reduce bearing currents
    • Anti-friction on 1500 hp (optional)
  • 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

Optional Equipment

  • Oversized Terminal Box
  • Surge Protection
  • Differential CTs
  • Differential Pressure Switch
  • Oil Sump Heater and Controller
  • Star Point Convection in Terminal Box
  • Blower Motor Cooling
  • Right-hand or Left-hand (F1 or F2) Main Terminal Box Location

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