Simplex 0562885A Combo Auxiliary Relay Board Assembly is a printed circuit board (PCB) that provides auxiliary relay functionality within compatible Simplex control configurations. Also cataloged as Simplex 562-885 and identified as PTC-2 0562885A, this combo board consolidates relay-related capabilities into a single assembly for straightforward integration into eligible Simplex systems. As a replacement PCB assembly, it is used to restore or upgrade the auxiliary relay circuitry in installations that require the 0562885A part, aligning with other Simplex peripheral and relay assets.
