Gas controller GA-300.E01/02/03/04 can control up to 4 gas detectors. Signal light and sound when passing the alarm levels and switch actuators. Have 2 alarm levels with LED indication and differential audible alarm depending on the alarm level.

Gas controller GA-300.E01/02/03/04 main features:

“TEST” mode that allows you to check the condition of the actuators; 
“RESET” mode deactivates alarm relay outputs for 2 min. Possibility to manage external backup battery.
DIN housing allows easy installation in standard electrical switchboards.