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• Retail environments
Low standby current
Silent Knight 6808 198-Point Single Loop Addressable Fire Alarm Control Panel System
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Siemens XTRI-S (S54370-B3-A1) Module Silent Knight SK-RELAY • Retail environmentsSiemens XTRI (S54370 B3 A1) modules support two operation modes: polarity insensitive mode and isolator mode The module can be wired for either mode (refer to Figures 8 through 13). During the isolator mode, the builtin dual isolators will work at both sides of the module to isolate the line short in front or behind the module.
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