R920 – TU852 MTU, Redundant Description Description R920 – TU852 MTU, Redundant , 50V Used with redundant I/O. Horizontal DIN rail mounting. With 2×25 pin D-sub connector. Related products ABB - 1.3 800xA 6.1 Hardware (3BSE088708/E)3BSE088385R1 Read more ABB - 1.3 800xA 6.1 Hardware (3BSE088708/E)3BSE066485R1 Read more ABB - 1.3 800xA 6.1 Hardware (3BSE088708/E)3BSE088382R1 Read more