System Sensor B501-WH 4-inch Plug-in Detector Base (White)

The System Sensor B501-WH is a white 4-inch flangeless plug-in detector base for Select Series intelligent addressable detector heads, with screw terminals for power (+/-) and remote annunciator wiring. Communication occurs over the power (+/-) lines through the installed detector head, and the base supports an optional mechanical locking feature for tamper resistance. Key Specifications: Type: Intelligent plug-in detector base (4-inch, flangeless) Core Function(s): Mounting and wiring base that provides (+/-) loop connections and terminals for remote LED annunciation Loop/Protocol: Communication over the power (+/-) lines through the installed detector head (system protocol depends on the detector and panel) Power: 15 to 32 VDC; 150 uA standby (base and detector combined) Indicators/UI: Optional mechanical locking feature for tamper resistance; remote annunciator terminal connections Compatible Accessories: RA100Z - Remote LED annunciator System Compatibility: Used with compatible Select Series intelligent addressable plug-in detector heads that mount to the B501-style base on supported addressable SLC systems. Note: White (-WH) bases are suitable for use with FlashScan, Velociti, and LiteSpeed communications protocols only.