This is a special order product. Please Call us for Availability. UltraLinx 66 Block/100V Clamp/160mA PTC-ITW Linx Ultralinx PBX/KSU secondary protection-66 Block-Solid-state-UL Listed secondary protector-160mA PTC-100V Clamping-2 LEDs to indicate Protection and Ground OK-Designed for Panasonic digital phone systems- ITWUP3P100
