555.800.042 DIM800 detector input monitor module with M520 front cover

DIM800 detector input monitor module with M520 front cover

The Tyco DIM800 555.800.042 is a detector input module, designed to power and monitor a circuit of low voltage conventional detectors and call points. The detection circuit is powered from an external 24Vdc supply and is reset by the MX addressable panel. The Tyco DIM800 monitors the external 24Vdc and provides a fault signal if it is lost.