Details

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D-155 4-Tone Sounder is a compact wall-mounted sounder/beacon (sounder + LED beacon) from DEMCO, designed for fire-alarm, security and hazard-warning systems. It's four selectable alarm tones allow different warning sounds. It have wide-angle, uniform sound distribution for good audibility in all directions. D-155 function as an audible (and visual, since it has beacon) alarm in fire detection systems (e.g. when a smoke detector or heat detector triggers, the D-155 emits a tone and flashes to warn occupants.

 

• Dimension : 95mm(W) x 100mm(H) x 99mm(D)
• Casing : ABS Plastic or polycarbonate
• Lens : Polycarbonate
• Operating Current : 22mA@24V DC
• Operating Voltage : 20V - 28V DC
• Colour : Signal Red Base with Red Lens