Briton 996 Series
The Briton 996 Series incorporates an integrated electromagnetic hold-open mechanism which, when connected to the building's fire alarm and detection system, can be set to either ‘hold-open’ or ‘swing-free’ operation. In either case the spring power of the door control is electronically disengaged to allow free passage. When de-activated the electromagnet releases and the door is allowed to close in the normal manner to maintain fire integrity.