BD Series Audible Alarm – 100-240V AC, NPN, Dark Gray
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PATLITE BD-M2-D audible alarm: AC100-240V input, NPN transistor, Dark Gray front cover, up to 98dB, IP65-rated, 8 selectable sound groups.
The BD-M2-D is an AC100-240V audible alarm with NPN transistor input and a Dark Gray front cover, drawing 3.8W max and weighing 160g. Only NPN transistor is supported for AC (M2) models. Specifications: Sound Pressure Level 98dB (typ.) | Operating Ambient Temp -20°C to +55°C | Operating Humidity <85% (no condensation) | Mounting: Indoor & Outdoor, Upright/Inverted/Sideways | Protection Rating IP65 (IEC 60529) | CH Input: Bit input, max. 4 sounds | 8 sound groups (A-H) x 4 channels, DIP-switch selectable, default Group A | Dimensions: 80 x 80mm front face, 54.0mm body depth (~40% slimmer than previous model) | Front-access design with screw-lock mounting and front volume control | Certifications: cULus, CE, KC, UKCA
