List Price Incl. Tax: £191.17

Web Price Excl. Tax: £139.40 Incl. Tax: £167.28

Availability: In stock

4 door interlock board


  • Designed to make the installation of multi-door security interlock (airlock style) systems simple and economical
  • Ensures that one door has to be closed before another door in the system can be released
  • Can be used in conjunction with monitored release
  • Alternatively, standard door releases, alarm contacts and push-buttons can be used, eliminating the necessity for expensive monitored releases
  • The relay is housed in a large relay box
  • Runs on 12Vdc with changeover contacts
  • 12V output, rated at 10amp, with volt free output to monitor system
  • Can be triggered from a NO or NC source