SB1 optical standalone smoke alarm is ideal for grade F2 installations where cost is a priority and basic fire protection is required.
Optical alarms are recommended in the British Standard BS 58396 for installation in circulation areas such as hallways and landings.
Optical sensor as recommended by BS 5839-6
BS EN 14604:2005+AC:2008
Grade F2 Suitable for low-cost budget installations requiring basic fire protection