The MMD-TA-12B is a safety relay muting module featuring 24V AC/DC supply voltage, with 1 dual-channel muteable safety input and 1 dual-channel non-muteable safety input. It provides 2 PNP safety outputs rated at 500mA and 1 auxiliary PNP output at 250mA (following OSSDS). The module includes a removable terminal block and has a compact width of 6 units.