The Aetek AET-D40-082-30DC is an 8 port industrial PoE switch. The D40 series of Harden-Graded Industrial Unmanaged PoE Switches are designed with IP30, 6KV PoE Ethernet port surge protection, and operation temperatures between -40 degrees and 75 degrees during harsh weather conditions. This series has three sub-models classified as easy-to-install power source equipment (PSE) and provide power up to 30W/60W/90W per port.