Description
The Mini Monitor Module, P/N 55-045 & 55-050, provides a single, Class B initiating device circuit (IDC) capable of monitoring normally open contact fire alarm and supervisory devices or normally open supervisory/process devices. In addition to monitoring the connected contacts, the module will monitor the wiring to the device for open circuits via an end of line resistor (Class B only). The module has a single tricolor LED to indicate device status. The isolator version of the module, P/N 55-050, provides complete short circuit isolation for installations requiring NFPA, Class X wiring.