Light fire alarms are used in fire alarm and fire extinguishing systems in explosive zones of 1 and 2 classes of enclosed facilities and open installations, as well as in underground mines, mines and their ground structures
OS-Exd-A-Prometheus-aluminum alloy AK6
OS-Exd-N-Prometheus-stainless steel AISI 321
Fire alarm in a stainless steel body is recommended for use in facilities, under conditions of acidic, alkaline, etc. chemically aggressive media, sea water and salt fog
High level of protection IP68 ensures application in dusty conditions, in humid and wet rooms, open sties with strong wind and precipitation.
Fire alarm power supply voltage, V
OS-Exd-A/N-Prometheus 12-36V - direct or alternating voltage from 12 to 36 V.
OS-Exd-A/N-Prometheus 220 V - alternating voltage 220V
Working temperatures from -70 to +85 ºС
The device connection: 2-wire type connection is performed at power supply; 4-wire power connection - when power supply is permanently connected, the fire alarm shall switch to “Alarm” mode