BOSCH Smoke Detector Alarm

D273 Series Photoelectric Smoke and Smoke and Heat Detectors: D273 Four-wire D273TH Four-wire with 135° F ( 57° C) heat sensor 12 VDC or 24 VDC input Designed for commercial or residential use Four-wire application Light-emitting diodes ( LEDs) indicate the status of the chamber, power, and alarm Removable terminal block to simplify wiring connections The D273 Series includes the following detector models: Each of the D273 Series Detector models is UL Listed and works with commercial fire protective signaling and household fire warning systems. Each model detects smoke particles produced during wood, paper, and fabric combustion. Hubungi: TRONIKA cctv camera security system Telp: ( 021) 68562273 - 99336599 - 29071429 Fax: ( 021) 29071429 SMS: 0815 1423 6699 Website: www.tronikaonline.com