Skip to main content Skip to navigation
Ag Agriculture Blog IconBehind the Scenes Blog IconConstruction Blog IconEquipment Maintenance Blog Icon Power Systems Blog Icon Thumbs Down Thumbs Up! Small Business Blog IconTachnology Blog Icon Constructioncontrol-smallcost-smallefficiency-smallflexibility-smallHoursHours Location HoursMapMapMenu AgMenu AttachmentsMenu BlogMenu CareersMenu ChecklistMenu ConstructionMenu MaintenanceMenu NewMenu PowerMenu RebuildsMenu RentMenu ServiceMenu TechnologyMenu TestimonialsMenu Training Menu Truck Menu UsedNewArtboard 1Parts Phone Phone PhonePower Systemsproductivity-smallRentalRepSafetyServiceSpecialsTechtestimonial-iconToolsTrainingTruckUsed


CTE Series Automatic Transfer Switch

The Cat® CTE Series transfer switches are configurable for applications requiring the dependability and ease of operation found in a full featured power contactor type transfer switch.
The CTE Series is equipped with the MX350 controller that is designed for the most demanding transfer or bypass switch applications providing enhanced connectivity for accurate and timely diagnostics and event recording.




  • Technical Summary
    Spec Value
    Rating Range 40-4000A
    Transfer Type Open / Closed / 4 position switch
    Switch Type Contactor Based
  • Electrical Ratings
    Spec Value
    Control Power 40 to 4000 amperes, 2,3 or 4 poles
    Enclosure Capability NEMA 1, 3R, 4, 4X and 12
    System Voltage Application Available to 600 VAC, 50 or 60 Hz
    Applicable Testing
  • Seismic tested and certified to IBC 2006 & OSHPD
  • CSA C22.2 No. 178 certified at 600 VAC
  • IEC 947-6-1 liste
  • Seismic tested and certified to IBC 2006 & OSHPD
  • CSA C22.2 No. 178 certified at 600 VAC
  • IEC 947-6-1 liste

Standard Equipment

The CTE Series of Automatic Tranfser Switches

  • Drive Mechanism
  • Bypass Isolation Switches CBTED & CBTECT
  • The Cat CTE Series power contactor type transfer switch makes use of a fully programmable/configurable microprocessor-based controller to allow the utmost in application flexibility. Further, the CTE Series is offered in a wide array of configurations enabling it to meet the needs of even the most highly critical load.
    Available configurations include:
    • The MX350 microcontroller is a modular control and monitoring system designed specifically for low voltage transfer switch applications.
      The MX350 provides the following key benefits:
      Flexible control and communication options to suit any low-voltage transfer switch application
      Small footprint
      Modular design, which reduces the number of spare components for maintenance and testing
    • 40-4000 Amps:
    • CTE Automatic Transfer Switches
    • CTED Delayed Transition Transfer Switches
    • CTEM Manual Transfer Switches

    • 100-4000 Amps:
    • CTECT Closed Transition Transfer Switches
    • CBTE Open Transition Bypass Switches
    • CBTED Delayed Transition Bypass Switches
    • CBTECT Closed Transition Bypass Switches
  • CTECT Series:
  • Neutral Switching
  • CTE Electrical Ratings
  • Safe Manual operation
  • CTED Series: