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Specification Summary
Electric Motor Type Squirrel Cage Induction Motor
Number of Poles 6
Full Load Speed 1189 r/min
Voltage/Frequency 4000V ± 10%/60 Hz

Electric Motor Specifications

Electric Motor Type
Squirrel Cage Induction Motor
Number of Poles
6
Full Load Speed
1189 r/min
Voltage/Frequency
4000V ± 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
Maximum Ambient Temperature
104 °F
Maximum Altitude - Before Derate
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
6625 lb/ft
Shaft
5.1 in
  • 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