ITW Linx multiline ML25 - Category 5E building entrance surge protector- Primary/isolated loop (UL497/UL497B) critical for ensuring safety and performance of protection devices- 100% Solid-state protection provides the fastest response to transient voltages (1-5 nanoseconds) by quickly diverting damaging surges to ground- Single pair protection - protect only the lines requiring protection- 25-pair protection that fits the footprint of a 66 block. Also snap-fits to standard 89D brackets- Streamlined installation- punchdown the OSP cable on the left side in the integral 110 connectors/ Grounding hardware (included) clips on to the cable sheath. Punchdown the UTP cable on the right side into the integral 110 connections.- Individual protector cards offer system scalability and serviceability- Uses less wall space than most 5 pin block systems- Manufacturer's lifetime product warrantyITWCAT5235Features:Size: W 4.25" H 1.5" L 8"Weight: 0.95 Dimensions W 4.25 x H 1.5 x L 8 in. Item Weight 0.95 lbs