Discovery Marine Isolating Base

Product Overview

The Discovery Marine Isolating Base senses and isolates short circuit faults on XP95 and Discovery loops and spurs.


  • The base is loop-powered and polarity sensitive.
  • Accepts the XPERT Card to set the associated device address,
  • In short circuit conditions the integral yellow LED is illuminated.
  • The detector associated with the base remains active under short-circuit conditions.
  • Power and signals are restored automatically when the fault is cleared. 


  • ESC
  • MED
  • ABS
  • LR


Voltage 17-28 V dc
Dimensions 100mm Dia x 24mm H
Operating Temperature -20°C to +60°C
Relative Humidity 0 to 95% (no condensation or icing)
Weight 100 grams

Please Note: All data is supplied subject to change without notice. Specifications are typical ay 24 V, 23°C and 50% RH unless otherwise stated.

Item Numbers

45681-286MAR Discovery Marine Isolating Base