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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.

CN5086 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
  • Mounting Designation F1 or F2
  • Number of Poles 8
  • Voltage/Frequency 4000V ± 10%/60 Hz
  • Specification Sheet

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Product Details

Electric Motor Specifications

Electric Motor Type Squirrel Cage Induction Motor
Mounting Designation F1 or F2
Number of Poles 8
Voltage/Frequency 4000V ± 10%/60 Hz
Full Load Speed 894 r/min
Type of EX-Protection Class 1 Division 2, Group A,B,C,D T3 (NEC or CEC)
Connection of Stator Winding Star
Rated Torque 39815 N·m
Standards NEMA MG1
Maximum Altitude - Before Derate 1000 m
Service Factor 1 vfd
No Load Current 200 Amps
Maximum Ambient Temperature 40 °C
Temperature Rise Class B at rated load
Shaft 216 mm
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%
  • Bearings
    •  Self-lubricated sleeve bearings
    •  Insulated non-drive end bearings to reduce bearing currents
    •  Bearing RTDs for temperature monitoring
  • 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
        • 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
                  • 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

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