Brand: Dehn Item: Surge Protective Device (SPD) Connection: RJ45 in/RJ45 out Series: DPA Mounting: 35mm DIN rail Circuit Type: Series circuit UL Rating: UL 497B rated Surge Protection Type: Data & signal protection Signal Types Protected: Industrial Ethernet, Power over Ethernet (PoE++, 4PPoE) Voltage Protection Rating (VPR): 180V (L-L), 500V (L-G) Dehn DPA series data & signal Surge Protective Device (SPD), series circuit, 35mm DIN rail mount.