533.C.SE - Wall Mounted Cover
Wall Mounted Cover for 533 Magnet. Silver
Also available in Electroplated Satin Stainless Steel.
When used in conjunction with a suitable door closing device, fire alarm and detection system, these Briton electromagnetic hold open devices permit fire doors to be held open during normal operation. In the event of fire or smoke detection the units are automatically deactivated allowing the doors to close under the action of the door closer.