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the builtin dual isolators will work at both sides of the module to isolate the line short in front or behind the module
It provides 24-volt operating power to the VESDA system and a battery charger function that supervises and maintains the standby batteries
plug-in System Sensor isolator detector base
Provides Ethernet Connection from System to 3-SDU for Programming and Diagnostics Remotely
System Sensor CHSCWLED Chime Strobe White S1209 (917-0059-002) the builtin dual isolators willSystem Sensor CHSCWLED Chime Strobe LED White Ceiling 4X4
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