Allen-Bradley 4983-DS120-404 Surge Protective Device

Allen-Bradley 4983-DS120-404 is a four-pole DIN-rail mounted surge protective device (SPD) designed for 120 VAC power feeds in industrial control panels. It is UL 1449 listed and employs MOV technology to clamp transients, protecting PLCs, drives, and other automation equipment from damaging voltage spikes. The 4983-DS120-404 delivers a robust 40 kA surge rating, supporting multi-conductor protection with a common ground reference in a compact DIN rail configuration. As part of the 4983 DS surge protection family, this device is intended for panel mounting in industrial environments, where reliable protection of power supplies and auxiliary I/O circuits is essential for maintaining machine uptime and system integrity.