Allen-Bradley 440R-N23132 Safety Relay Module

The Allen-Bradley GuardMaster MSR127TP 440R-N23132 Safety Relay Module is a compact, single-function safety relay designed to monitor and interlock safety devices in industrial automation. It operates from a 24-volt safety supply (24V AC or 24V DC) and is sold as part of the GuardMaster MSR127TP family. The unit provides one normally closed (N.C.) contact and three normally open (N.O.) safety contacts. Removable screw terminals and an option for automatic or manual reset support flexible installation in machine control panels. Typically used to supervise safety devices such as emergency stops, safety gates, and light curtains, and to output safety-cleared signals to control machinery. Part number 440R-N23132 is specifically listed as MSR127TP safety relay, with the 24V rating and 3 NO/1 NC configuration.