Description Product Reviews Protects up to 4-Wires (2-pairs) per Jack. Using RJ-11/45 Connectors (2 In / 2 Out, Pins 3 & 6 and 4 & 5 Protected). Applications: Analog and Central Office lines for PBX or KSU. Features: Auto-Resetting Technology – PTC resistors open when a surge occurs, protecting your equipment, but unlike other fuses, the PTCs close again once the surge passes. Less downtime, and less service calls Expandable System Protection – SurgeGate Series Base Units and Modules can be attached to expand system protection as your system grows Lifetime Product Warranty – This surge protector shall be free of any defects in design, materials, or workmanship, or ITW Linx will repair or replace the defective product $50,000 Connected Equipment 0 Reviews Hide Reviews Product Reviews