As a new type digital-value fire alarm control panel & Gas Releasing control panel, JB-QBL-QM300/4E has 324
alarm control points, and also four zone gas release control boards, characterized by the fully mixed detector/
module, polarity-free and two buses. Together with the spot manual/ automatic box, emergency start/ abort button,
Horn/Strobe, gas release indicator light, weight loss display panel, start gas cylinder and fire extinguishing agent
bottle, it forms a complete gas fire extinguishing control system meeting the requirements of GB 4717-2005 Fire
AlarmControl panel and GB 16806-2006 Fire AlarmLinkage Control System.