Rubezh
The optical-electronic smoke fire alarm is designed to detect fires accompanied by the appearance of low-concentration smoke in enclosed spaces of various buildings and structures. The alarm is powered and transmits the "Fire" signal via a two-wire alarm circuit, and an optical indicator lights when the alarm is triggered. Parameter Meaning Supply voltage, V from 9 to 30 Current consumption in standby mode, μA, no more than 45 Sensitivity, dB/m from 0.05 to 0.2 Response time, sec, no more than 9 Installation type On the main ceiling Internal resistance in "fire" mode, no more than, Ohm 1000 Optical status indicator Red Testing method With a needle through a technological hole Electromagnetic interference immunity rating 3 Degree of protection of the shell IP40 Weight of the detector with the base, g, no more than 80 Diameter of the detector with the base, mm, no more than 94 Height of the detector with the base, mm, no more than 48 Warranty period of operation, months, no more than 24 Average service life, years 10 Operating temperature range, °C from -45 to +55