CN1566 Electric Motor


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Get power built for your most demanding gas compression applications. Every Cat® electric motor is tested at each stage of production to make sure it performs reliably under load and according to your process requirements. High operating efficiency and low operating costs come with low noise levels and no emissions. Cat electric motors for gas compression are backed by the worldwide network of Cat dealers ready to support your operation with technical support, service, parts, and warranty.

Electric Motor Specifications

Electric Motor Type Squirrel Cage Induction Motor Squirrel Cage Induction Motor Less
Full Load Speed 1189.0 r/min 1189.0 r/min Less
Mounting Designation F1 or F2 F1 or F2 Less
Number of Poles 6.0 null 6.0 null Less
Type of EX-Protection Class 1 Division 2 Group A,B,C,D T3 (NEC or CEC) Class 1 Division 2 Group A,B,C,D T3 (NEC or CEC) Less
Voltage/Frequency 4000V ± 10%/60 Hz 4000V ± 10%/60 Hz Less
Connection of Stator Winding Star Star Less
Duty Continuous Continuous Less
Enclosure Type/Method of Cooling WP-II WP-II Less
Full Load Current 202 Amps 202 Amps Less
Insulation Class F Class F Less
Locked Rotor Amps 500% Code E 500% Code E Less
Locked Rotor Torque 60% 60% Less
Maximum Altitude - Before Derate 3000.0 ft 1000.0 m Less
Maximum Ambient Temperature 104.0 °F 40.0 °C Less
No Load Current 67 Amps 67 Amps Less
Rated Torque 6625.0 lb/ft 8982.0 N·m Less
Service Factor 1.15 SF (1.0 VFD) 1.15 SF (1.0 VFD) Less
Shaft 5.1 in 130.0 mm Less
Standards NEMA MG1 NEMA MG1 Less
Temperature Rise Class B at rated load Class B at rated load Less

CN1566 Electric Motor Standard Equipment

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

  • Designed for minimal vibration
  • Dynamic balancing at full operational speed
  • Fabricated copper squirrel cages
  • Oversized, forged, keyless shaft
  • AISI 4140/DIN42CrMo4 shaft

  • 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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