Digital data line protectors for CAT 5 cable. Used for applications such as Ethernet, Power over Ethernet, RS-323, RS 422 and RS 484. It's multi-stage, solid state design makes it multi-strike capable. Surge rated to BELLCORE 1089, 10/1000 USEC @100a. UL497B listed. Handles wire sizes from 16 to 28 AWG (screw terminal connectors). Does not accommodate battery or ringing voltage. Flange mounts on or near equipment. RoHS compliant.