Key Features:; Impressive 96dB(A) sound output @ 1m. Supplied with a BF431QCP quick connect plate and detector spur wires. Onboard short-circuit loop isolator. 550µA quiescent current. 5mA alarm current @24V DC (Sounder on max). Group addressing facility allows multiple devices to be operated simultaneously. 7 selectable volume levels and up to 15 selectable tone pairs. Optional BF330CTLIDW white or BF330CTLIDR red cap available for stand-alone use. IP21C rated.

Third-party certified to EN54-3 (Sounders), EN54-23 (VADs) and 17 (Isolators) by Intertek (pending) Provides 'W-2.4-3.5' light distribution when wall mounted (min. 0.4 lux over a 2.4 x 3.5m cuboid area) Can also provide 'C-3-8 light distribution when ceiling mounted (min 0.4 lux over a 3 x 8m cylindrical area) Impressive 90dB(A) sound output @ 1m Unique C-TEC designed lens maximises light output whilst minimising current draw Onboard short-circuit loop isolator 550uA quiescent current 14mA alarm current @24V DC (VAD lit, sounder on max) Attractively finished in red polycarbonate (light output is white) Group addressing facility allows multiple devices to be operated simultaneously 7 selectable volume levels and up to 15 selectable tone pairs Attractive compact design - just 102mm diameter, 63mm deep Includes an integrated sounder to base locking mechanism IP21C rated Low current consumption means multiple devices can be connected to the loop DIP switch addressed Simple ‘click and twist’ design and easy-fit base ensures rapid installation time Also available in a white plastic housing (order code BF451A/CX/SW)