The 555280 is a terminal block interface module designed for automation and control applications. It features digital inputs (DI8) with Ethernet connectivity supporting 10/100 Mbit/s, equipped with push-pull RJ45 data connectors and power connectors rated up to 12 A with M12, 5-pole, A-coded connections. The module offers galvanic isolation and fully potted housing for durability. It includes diagnostic LEDs for communication status and monitoring of voltage levels, as well as per-port cable break detection on PIN 2. The device operates within a temperature range of 0 to +55 °C (storage: -20 to +70 °C) and supports addressing via DCP.

Murrelektronik specialises in decentralised automation solutions, offering products such as power supplies, I/O systems, and industrial connectors. Their innovative technologies optimise efficiency and connectivity in industries like manufacturing, logistics, and process automation.