Allen-Bradley 440R-N23132 Guardmaster MSR127TP Safety Relay

Allen-Bradley Guardmaster MSR127TP Safety Relay, model 440R-N23132, is a 24 VAC/DC single-function safety relay module in the Guardmaster MSR127TP family. It provides three normally open safety outputs (3NO-SFTY) and a single normally closed auxiliary contact (1NC-AUX) for feedback, with input options described as 1NC/2NC/LC-IN. The unit operates from a 24-volt supply (24 VAC or 24 VDC) and features removable screw terminals in a compact 22.5 mm case, designed for straightforward installation in industrial control panels. This module is intended to monitor and safely interrupt safety circuits, making it suitable for supervising devices such as emergency-stop switches, safety interlocks, and protective devices like light curtains within automation systems. The product is cataloged as 440R-N23132 and is shipped as a MSR127TP safety relay module within the Guardmaster line.