Marine DIN-Rail Sounder Control Unit

Product Overview

The Marine DIN-Rail Sounder Control Unit (8 Amperes) is used to control the operation of a zone of externally powered sounders and report their status to the fire control panel.


  • Enables sounders to be operated continuously or to be pulsed, one second on, one second off.
  • May be synchronized when in pulsed operation.
  • External supply monitoring.
  • Will accept a load o 8 Amperes.


  • LPCB
  • ABS


Sounder Circuit Voltage 12-35 V dc
External Supply (Polarity Sensitive) 12-35 V dc
Sounder Circuit Current (max) 8 A at 35 V dc (resistive load)
Operating Temperature -20°C to +70°C
Humidity 0% to 95% RH (no condensation or icing)
Dimensions 39mm x 39mm x 20mm
Weight 30 grams

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

Item Numbers

55000-181MAR Marine Sounder Control Unit