Conventional Intrinsically safe optical smoke detector for early fire detection and alarm, with optical measuring method according to EN 54-7 for use in potentially explosive atmospheres (ATEX)
Intelligent Extinguishing control module for loop3000 system with bi-directional isolator to control One-Zone-Extinguishing panels. With two supervised inputs and one potential free optical-relay-output [...] ut. The status of the module is displayed in the dc 3500 fire control panel.