MRC-MR52-S3B SKU MRC-MR52-S3B-3936 Mercury MR52-S3B, 2 reader interface module - Series 3 -Support for 2 Door Position Inputs, 2 Rex Inputs and 2 Lock Relay Outputs. Does not include enclosure and power supply. Please log in to see price or purchase this item Request an account (0)No Reviews yet Line Comment Special Price Ratings & ReviewsNo reviews availableBe the first to Write a Review
