Universal arrester for industrial Ethernet, Power over Ethernet (PoE+ according to IEEE 802.3at up to 57 V) and similar applications in structured cabling according to class E up to 250 MHz. Protection of all wire pairs by powerful gas discharge arresters and one tuned filter matrix per wire pair. Fully shielded adapter version with sockets for DIN rail mounting. Accessories include an earthing bracket with flat plug sleeve.