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Jacksons offers a nationwide installation service for all of its products. All installation team personnel have undergone the relevant comprehensive professional training and are suitably qualified and accredited under the CSCS certification scheme.

Download specifications for this product

Security Electric Fencing | Alarm aFence®

Electric fence topping for fences and gates

Available exclusively through Jacksons, Alarm-aFence is a cost effective and reliable combined alarm and electric fence deterrent designed to provide a physical barrier that delivers a non-lethal electric shock and alerts any attempted intrusion.


  • Can be attached to the top of most existing perimeter fences or walls
  • Also for use as a stand-alone fence within an existing perimeter
  • Alarm signal linked via the controller can be configured to activate sirens, lights, phone diallers etc.
  • Delivers non-lethal electric shock
  • Optional zoning of fence to isolate point of attempted breach
  • Features high tensile wires spaced at every 50-100mm with a safe, high voltage pulse sent down alternate wires every second
  • Complies with all current standards including IEC 60335 -2-76
  • Low maintenance
  • Installation and annual maintenance contracts available
  • All systems are checked by our in-house technicians to make sure they comply with Jacksons Code of Practice. Subject to a satisfactory check a certificate of compliance is issued.
  • System activates 60 times a minute to maintain security
  • Can be installed in almost any situation
  • Low maintenance and operating costs
  • Conforms to BS EN 1722-17

    Specification for electric security fences - design. installation and maintenance

Note: we recommend "Danger Signs" are used every 8-10m and change in direction along a fence line incorporating security extras capable of causing injury even through misuse.


  • Logistics and distribution companies
  • Power and water companies
  • Oil refineries
  • High risk applications


Siren Output
 12v DC
Strobe Output
 12v DC
 Standby Battery
 7AH 12 volt head acid battery
 Charging Voltage
 18 volts AC
 Standby Time
 9-10 joules
 Power Consumption
 Output energy
 5 joules
 Output Voltage
 5700 volts


About Jacksons

Jacksons Security Fencing are at the forefront of high security fencing for any environment. Whether you require sports fencing through to intruder deterrent and detection around commercial properties, we can provide a reliable security fencing solution for you.

With over 60 years experience of providing fencing and access solutions, our unrivalled expertise allows us to offer the right solutions for almost any given fencing and access application in virtually every given circumstance.

Whatever your security fencing requirement, Jacksons Commercial has the solution to meet your metal fencing needs.

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