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.
Technical Specifications:
Operating Voltage: 15 32 VDC
Standby Current: 450 A max (not isolating; relay closed)
Isolation Current: 5 mA max
Fault Detection Delay: 250 ms min.
Fault Detection Threshold: 4V
Line Restoration Threshold: 7V
Dimensions: 4.5" x 4" x 0.25" (11.4 cm x 10.2 cm x 0.6 cm)
Shipping Weight: 6.3 oz (196 g)
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
Standard 4 inch electrical box mounting
SEMS screws for easy wiring
UL Listed
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