Cómo funciona el módulo de seguridad Allen Bradley Guardmaster 440R N23113

In this video, I'll show you in a simple way how the Allen-Bradley Guardmaster 440R-N23113 safety module, also known as the MSR126.1T, works. It's a compact safety relay designed to protect machines and operators by monitoring devices such as emergency stop buttons, guard doors, and safety sensors. First, let's identify its main terminals: A1 / A2 – Relay power supply. S11–S12 and S21–S22 – Safety inputs (channel 1 and channel 2). Normally closed contact devices are connected here. S33–S34 – Reset or safe start circuit. 13–14 and 23–24 – Safety outputs, used to energize contactors, actuators, or any device that must stop in case of a hazard. During the video, we performed basic tests to see how the module reacts: we simulated the opening of a safety device, verified the immediate drop in outputs, and checked how the system resets. All of this allows us to see in a practical way how this relay guarantees a safe shutdown in the event of any circuit inconsistency. This type of module is fundamental in industrial safety systems, especially when the goal is to meet high safety categories, redundancy, and fault detection requirements. If you have any questions about wiring, model selection, or integration with your control system, leave them in the comments, and I'll be happy to help. #IndustrialSafety #Guardmaster #SafetyRelay #Automation #AllenBradley #SafetyRelay #MSR126 #440R #SafeMachinery #IndustrialControl #PLC #Engineering