The ASID-24-RJ45H-8 is a DIN rail mount Ethernet surge protector rated at 1 amp at 24 Vdc with Max Voltage Protection of 28 Vdc/24 Vac. Use with Cat5 and Cat5e network systems that comply with 10BaseT, 100BaseTX and 1000BaseT. This surge protector offers 8 wire protection using two stage protection using gas discharge tubes and transient diodes. This ethernet Surge Protector mounts on DIN rail and is easy to install. The Lightning Protection Zone is 0B to 2 and higher. This Network protector meets IEC61643-:21.