CAST O-R-3-2.5-18 Base Corridor VAD c/w 92dB(A) Sounder LPCB certified to EN54-3, 23 & 17 and Kiwa Telefication certified to EN54-13. Provides ‘O-R-3-2.5-18’ rated light distribution. Ideal for use in corridors (mount in a specific orientation for 2.5m width & 18m length rated coverage). See VAD Coverage section below for further details. 92dB(A) sound output @ 1m. Onboard short-circuit loop isolator. 12.5mA typical alarm current (460µA typical quiescent) @ 27-40V DC. Group addressing facility allows multiple devices to be operated simultaneously. 4 selectable volume levels and 31 selectable tones. Optional BF330CTLIDW white or BF330CTLIDR red cap available for stand-alone use. IP21C rated. White ceiling fixing plate & detector spur wires included.