FM4650 Door/Window Transmitter


FM4650 Door and Window Contact Transmitter

  • FM4650 Door/Window Transmitter
  • General purpose transmitter
  • Consequently Operates into any FM4000 series control panel
  • Fully Tamper protected
  • Specifically triggered from built in reed switch, or any N/C contacts 40mm wide x 160mm high x 28mm deep
  • Can be used to terminate exit time
  • Ultimately Powered by 2 x AA cells
  • Battery condition monitored
  • Fully supervised
  • FM4650 Door/Window Transmitter
  • Designed for use as a magnetic door contact transmitter when the built in reed switch is located next to a suitable magnet (Not Included)
  • Screw terminals provided for external closed alarm contacts, tamper loop and open push to set
  • Particularly suitable for use in systems designed to comply with PD6662:2004 Grade 2 or BS6799 Class 6 specifications




  • Not Surprisingly Modern farming often involves the deployment of expensive capital equipment and materials in unprotected areas.
  • FM product is supplied on a ‘ready to go’ basis, with comprehensive support. use these links to select your External detectorsAlarm Control Panels, and Alarm Receivers for Farms.

    Utility Companies
    Undoubtedly The Protection of remote sites is a specialist business to which FM provide both equipment and experience. We provide effective remote security at a fraction of the cost of Man Guarding.

    Not surprisingly Construction sites are notoriously difficult to secure as they evolve from excavation through to construction, internal fit out and finishing phases. FM’s range of wire-free internal and external detection equipment and monitoring systems provide flexibility for construction companies to protect assets as sites progress through construction programmes. .Download Rapid Fit system Hire brochure 

    Listed Buildings

    Undoubtedly One example is Waltham Abbey where FM provided wireless security during extensive renovation work

    For 20 years Police forces deploy FM alarm systems providing protection to potential victims of personal and property crime; and for specific issues such as witness protection

    Surprisingly Fast and easy deployment is a key driver, as is the ability to respond rapidly to developing situations on the ground. FM portable alarms signal directly into police command and control centres.


    Network Rail
    Consequently Track side copper theft results in costly damage and “Train minute delays”. FM’s Sub station alarm system has proved to provide an effective, cost efficient solution for protecting Track side assets.

    Church Conservation

    Significantly, Lead theft is a continuing problem. FM has developed systems to combat this.

FM Electronics Manufactured in England & Distributed By ABC FIRE & SECURITY