Allen Bradley 440R-M23149

The Allen Bradley 440R-M23149 is a reliable safety relay designed to enhance machine protection and operator safety. Known as the MSR138DP model, this device operates on a 115VAC power supply and supports both automatic and manual monitoring modes. It features a compact 45mm housing and offers flexible timing delays ranging from 1.5 seconds up to 30 seconds, with the option for continuous delay if needed. The relay includes multiple inputs—one two normally closed (2 N.C.) input and one LC input—as well as a set of outputs, including two dedicated safety outputs and three normally open (3 N.O.) relay delay outputs. Rated to Category 4 standards, it meets rigorous safety requirements for industrial applications. This product is available through BSP Automation, providing a trusted option for integrating high-performance safety controls into your automation systems.