DEMCO Sounder/Beacon D-155’s compact design is acoustically very efficient, capable of generating high sound output at low current levels. Both models have a wide angle uniform sound distribution providing good audibility in all directions, thus making them ideal for fire, security and hazard warning. These conventional wall mount devices are available in 4 alarm tones (DC) with locally controllable output levels capable of adjusting the sound intensity to suit intended application. Both D-155 and D-155WP operate over a wide input voltage range, and if required, a second stage alarm can be switched to override the selected tone by using a third wire. These versatile features allow both models to work seamlessly with most detection systems incorporating central control equipment.
Combining performance and functionality, DEMCO D-155 and D-155WP are designed to be fully comply with EN54 and if you need additional protection for your outdoor applications there are always IP65 rated D-145WP and D-155WP at your disposal. For general purpose applications, AC version of these beautiful looking devices is available as D-155AC albeit in 3 alarm tones.
|Output @ 1 metre 24VDC||68dB||95dB|
|Current @ 24VDC:||13mA||22mA|
|Voltage Range DC||20 – 28VDC|
|Voltage AC||230V AC (D-145AC and D-155AC)|
|Operating Frequency||800Hz to 1000Hz|
|Number of Tones||4 Alarm Tones • 3 Alarm Tones (D-145AC and D-155AC)|
|Volume Control||Adjustment Screw|
|Operating Temperatures||-20°C to +70°C|
|Size (H x W x D)||100 X 95 X 99mm|
|Protection Classification||IP55 (D-155) • IP65 (D-155WP)|
|Approximate Weight||182g (D-155) • 257g (D-155WP)
Feel free to ask any questions over the phone, or get in touch via our contact form below. Your message will be dispatched directly to our staff who will answer as soon as they can.