Automatic Transfer Switching Units (ATS)

See-Tech LTD can offer a variety of solutions for multiple supply switching. We have a selection of Automatic Changeover solutions to suit the diverse needs of the modern power supply market. All of our Changeover Solutions are rated at the current of the main primary supply. These units are built with the same quality as our LV Switchgear, incorporating manufacturers such as Socomec and ABB changeover equipment.

General Technical Data and Features

Our ATS Units are designed to suit any requirements including:

  • Straight ATS, Single Bypass or Dual Bypass Available
  • Form 2 Separation
  • Ratings from 32A to 630A
  • Cable entries: Top and bottom, entry or exit
  • Auto Changeover controller with generator start and load shedding functionality complete with external mounted display.
  • Electrical and mechanical interlocking
  • Single and Dual By-Pass arrangements available
  • Fully certified arrangements to IEC 60947-6-1
  • IP Rated from IP31 to IP65 on request

The Automatic Switch is housed in a separate compartment to the Incoming/Bypass Isolators to enable maintenance of the Automatic Switch whilst the load remains online.



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Our Location


Unit 1 Industrial Estate, Stonebroom, Alfreton, Derbyshire. DE55 6LQ