London Underground approve Automatic Transfer Switches (ATS) for use

Craig and Derricott are pleased to announce that their range of Automatic Transfer Switches passed the stringent LUL/TFL formal acceptance procedure and were officially authorised for use in May 2016.


These ATS units are supplied with two integral isolation switches. The ATS indicator / control panel and switch operating handle are mounted behind a lockable door. Available in 32A to 400A ratings, the range provides all the necessary requirements for automatically switching from Mains (Duty) to Generator (Standby) or alternative Mains with local status indication and a supply monitoring relay.


Built in IP65 stainless steel enclosures, the ATS units are manufactured to LU 1-085 fire safety performance of materials, with LSZH (low Smoke Zero Halogen) cables. The Automatic Transfer Switches (ATS) are supplied with a DSE electronic controller and DSE self-seeking power supply, providing a configurable controlled system where the customer can program using the electronic user interface or PC.



Technical datasheets and copies of the LUL Registration Certificates are available on request from our Sales Team