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Electromagnetic Door Holders

The Briton range of Fire and Smoke door controls offer convenience to the user and helps eliminate the dangerous and illegal practice of wedging doors open.
All electro-magnetic door closers must be linked to the building's fire alarm-system. When the alarm is raised the devices de-energise and close the door, smoothly and effectively.

Can be used on doors with mechanical door closers to provide electro-magnetic hold-open facility. Electromagnetic door holders are controlled by the fire/smoke alarm system and hold the door open until either:

FSR Transformer Rectifiers are for use with fire/smoke electro-magentic door holders where 24V DC power is not available for the continuous rating required.

Maximum number of door holders that can be supplied by a single FSR unit

Dorgard is the intelligent fire door 'Keep Open' device that listens for a continuous fire alarm sound level of over 65 decibels. After approximately 14 seconds Dorgard will release, allowing the fire door to close under the pressure of the overhead door closure.Dorgard requires no wiring as it is battery operated and self-contained. Dorgard is fitted to your fire door with four screws and takes just minutes to install and is accepted for use by fire authorities and complies with all relevant BS standards.- Automatic fire door release when fire alarm sounds- Inexpensive to buy and fit- Installs in under five minutes- Easy, foot-operated manual release/adjustment operation- Automatic night-time release facility- Reliable, acoustic detection- Smart, unobtrusive design- Battery lifetime exceeds fire safety policy directive- Integral power-on LED indicator- Low battery, automatic door release- Optional floor plate for especially heavy doors/slippery surface- Available in white, black and charcoal- Complies fully with all relevant British Standards, EC Directives and UK Workplace Regulations (Fire Precautions) 1997