The new MART53 Multi Input Alarm Relay has been introduced replacing the long standing M5MART. It offers the same number of inputs (up to 10) and can be expanded further using the M1MIX and M3MIX diode extension modules.

Aimed specifically at the monitoring of multiple contacts/switches, it provides a dual alarm output for operating both visual and audible devices. Furthermore, as the product features a “Mute” option input, the audible device controlled by the product can be silenced should further alarm conditions occur.