Silent Knight SK-Iso Line Isolator Module Data Sheet

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SK ISO Fault Isolator Module SK ISO is an addressable line isolator module for use with the Silent Knight Series fire alarm control panels FACPs SK ISO acts as an automatic switch that opens when the line voltage the signaling line circuit SLC loop drops below four volts Isolator should be spaced between groups of sensors or modules in a loop protect the rest of the loop If a short occurs between any two isolators both isolators immediately switch to an open circuit state and isolate devices between them The remaining units on the SLC loop continue fully operate No more than 25 devices are recommended for each group SK ISO mounts directly into a 4 square electrical box The box must a minimum depth of 2 1 8 A surface mount electrical box System PN SMB500 is available from Silent Knight Panel controlled LED that green in state and is red in alarm Isolates short circuits an SLC loop Protects the modules SEMS screws for easy the SLC loop so devices continue operate Listed CSFM Listed FM Approved Standard 4 inch box BENEFITSfirealarmresources com Technical Specifications 4.5 H x 4 W x 0.25 D 11.4 x 10.2 x Weight 6.3 oz 196 g Voltage 15 32 VDC Current 450 max not isolating relay Current 5mA max Detection Delay 250ms min Detection Threshold 4V Restoration Threshold 7V Temperature 32 120 0 10 93 non condensing INFORMATION Line isolation module 4 Square Surface Mount Electrical Box SK ISO is compatible with the following Silent Knight fire alarm control panels Addressable fire alarm control panel Addressable fire alarm control panel an emergency voice system Addressable fire alarm control panel Addressable fire alarm control panel Addressable fire alarm control panel Addressable fire alarm control panel Addressable fire alarm control panel Addressable fire alarm control panel an emergency voice system a complete listing of all approvals and please visit Windows and Windows Logo are trademarks trademarks of Corporation Knight System and Honeywell registered of Honeywell Inc document is not to be used for purposes We to keep our product up to and accurate We cover all specific or anticipate requirements All are subject change without notice Technical Support 800 446 6444 more information more about Honeywell Silent Knight and other by visiting www silentknight com Silent Knight Clintonville Road CT 06472 350134 Rev F 11 17 2017 Honeywell International Inc

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