The AL-CAT5HPWT is a high performance 3-stage weatherproof protector that provides superior protection 10/100 Base-T networks. This model is fully compatible with industry-standard Power-over-Ethernet (PoE) devices and provides individual protection to both the Ethernet data pairs as well as the PoE DC power feeds. The unit supports both modes A and B of the 802.3af standard for of supplying DC power.This arrester is designed to convert into a failsafe mode in the rare case of a catastrophic surge or lightning event. For this mode, the resistors in the second stage will fuse and portions of the diode array will short. This effectively disconnects the line from sensitive equipment thus limiting damage.Ideal for outdoor use, the weatherproof ABS enclosure features a gasketed cover and concealed mounting holes. Screw terminal strips are provided on the input and output for convenience. To ease installation, the terminal strips can be removed. A ground clamp provides a tie point for earth ground.For mounting to masts up to 2 inches in diameter, the HGX-PMT25 mast mounting kit is available (sold separately).For additional information and complete specifications, see data sheet below.Not sure which level of protection is required for your application? View Our Model Comparison Chart.