AA Base with Isolator

Product Overview

B524IEFT-1 Isolator Base that is designed for use with all System Sensor 200 and 500 series analogue addressable detectors. It prevents an entire communications loop from being disabled when a short circuit occurs.


  • Low profile (26 mm)
  • Low Current consumption (100 μA)
  • Up to 99 isolators per loop
  • Complete isolation of short circuits
  • Automatic restore when short circuit is corrected
  • Rugged industrial construction
  • Remote LED Connection
  • Sensor continues to operate in case of a short circuit on either side of isolator base