FR-A10005 Monitored. Fire rated double mini magnet by ICS security, suitable for FD30 and FD60 fire doors, with an operating voltage of 12 or 24 Vdc. This magnet is available as either monitored or non monitored, with a holding force of 272kg (600lbs) and an operating temperature between -10°C & 55°C (14°F & 131°F).. 272Kg holding force. Fail-safe. Aluminium housing. Monitored or non monitored available