Product Overview The SK-ISO is a line isolation module that acts as an automatic switch that opens when the line voltage on the signaling line circuit (SLC) loop drops below four volts. Compatible with version 10 and higher 5700, 5808, 5820XL, and 5820XL-EVS IntelliKnight addressable fire alarm control panels. Main Features Panel controlled status LED that flashes green in normal state and is solid red in alarm Isolates short circuits on an SLC loop Protects the modules on the SLC loop so other devices continue to operate Show More Show Less
