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Cat Electric Drive Motors for Gas Compression

Oil and gas producers have relied on Caterpillar since the industry's earliest days. For 60 years, we've powered the petroleum business on land. Now we go with it onto the ocean, hundred of miles out, thousands of feet down.

CN1566 Electric Motor

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.

  • Specification Summary

  • Electric Motor Type Squirrel Cage Induction Motor
  • Full Load Speed 1189 r/min
  • Mounting Designation F1 or F2
  • Number of Poles 6
  • Specification Sheet


Product Details

Electric Motor Specifications

Electric Motor Type Squirrel Cage Induction Motor
Full Load Speed 1189 r/min
Mounting Designation F1 or F2
Number of Poles 6
Type of EX-Protection Class 1 Division 2 Group A,B,C,D T3 (NEC or CEC)
Voltage/Frequency 4000V ± 10%/60 Hz
Connection of Stator Winding Star
Duty Continuous
Enclosure Type/Method of Cooling WP-II
Full Load Current 202 Amps
Insulation Class F
Locked Rotor Amps 500% Code E
Locked Rotor Torque 60%
Maximum Altitude - Before Derate 1000 m
Maximum Ambient Temperature 40 °C
No Load Current 67 Amps
Rated Torque 8982 N·m
Service Factor 1.15 SF (1.0 VFD)
Shaft 130 mm
Standards NEMA MG1
Temperature Rise Class B at rated load
  • 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
  • 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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