The 440R-N23125 is an industrial safety relay designed for monitoring safety circuits like emergency stops. It operates on 115VAC power, features 2 normally closed (N.C.) inputs and 1 load control (LC) input, with 3 normally open (NO) safety outputs and 1 N.C. auxiliary output. It supports both auto and manual reset, has a compact 22.5mm width for cabinet space savings, and meets Cat 4 safety standards—ideal for ensuring machine safety in manufacturing and industrial setups.