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The integrated 85 dB sounder provides immediate local notification during alarm conditions
Easy Installation
Low standby current
Refer to the FACP Installation Manual to determine if the Intelligent Device Protocol is supported
VSP-990-330 VESDA-E VEA 6mm Microbore Tube UL-compliant Plenum-rated (330ft)
Siemens XTRI-S (S54370-B3-A1) Module Silent Knight SK-RELAY The integrated 85 dB sounderSiemens 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.