Applications
Holds open fire doors and automatically closes the door when the fire alarm sounds
Material ABS
Power 2 x 1.5 VC size alkaline batteries
Trigger by alarms compliant with BS 5839-3
Complies with BS EN 1155:1997 and is accepted by the Fire and Rescue Services
EN 61000-6-1:2001
EN 61000-6-3:2001 +A11:2004 BS 7273-4 Category C
USA patent number 5525963
European patent number 0635092