Universal, space-saving surge protector with a width of 19 mm and RJ45 connection technology for lightning protection potential equalization. Protection for applications in structured cabling up to Class D at 100 MHz, such as Industrial Ethernet, data distributors, digital camera systems, Power over Ethernet (IEEE 802.3 compliant up to 4PPoE), and generally Ethernet-based interfaces. Protection for all wire pairs through high-performance gas discharge arresters. Fully shielded adapter design with RJ45 sockets for DIN rail mounting. Includes an additional screw terminal on the housing side for optional grounding connection.