FM4660 Optical Smoke Detector


FM 4660 – FM 4660 Optical Smoke Detector

  • FM4660 Optical Smoke Detector
  • Operates with any FM4000 series control panel
  • Battery condition monitored
  • Dimensions 130mm Diameter x 75mm deep
  • Maximum radio range 100 metres
  • Optical smoke detector which is less prone to false alarms than the less expensive ionisation type smoke detectors
  • The detector is powered from it’s own PP3 battery and has a built in transmitter powered from 2 AA Alkaline Batteries (Supplied)
  • Signals an audible indication at the smoke detector and also signals the control panel
  • Signals when the battery needs replacing
  • >This unit is made to order and we are unable to accept returns
  • Suitable for use in systems designed to comply with PD6662:2004 Grade 1/2
  • FM4660 Optical Smoke Detector




Not Surprisingly Modern farming often involves the deployment of expensive capital equipment and materials in unprotected areas.

  • 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
  • Construction
    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 and effectively deployed church roof alarm systems providing a undoubtedly valuable service to the “Churches Conservation Trust”

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