Home > Products > Marine Fire SystemsInterfaces Marine Mini Switch Monitor The Marine Mini Switch Monitor fits into equipment with limited space or mounted within an enclosure. View Product Marine DIN-Rail Dual Isolator The Marine DIN-Rail Dual Isolator provides two independent isolators which sense and isolate short-circuits. View Product Marine DIN-Rail Input/Output Unit The Marine DIN-Rail Input/Output unit supervises one or more normaly-open switches. View Product Marine DIN-Rail Switch Monitor Plus The Marine DIN-Rail Switch Monitor Plus is designed to monitor the state of one or more single pole, volt free contacts. View Product Marine DIN-Rail Zone Monitor The Marine DIN-Rail Zone Monitor powers and controls the operation of a zone up to 20 conventional fire detectors. View Product Marine DIN-Rail Sounder Control Unit The Marine DIN-Rail Sounder Control Unit is used to control the operation of a zone of externally powered sounders. View Product