Allen-Bradley 440G-T27129 Safety Interlock Switch for Machine Guarding

The Allen-Bradley 440G-T27129 (440G-T27129) is a safety interlock switch engineered for industrial machine safety and guard monitoring applications. Designed for integration into automated machinery, safety circuits, and industrial production environments, this device provides critical monitoring and interlocking for movable machine guards, access doors, protective covers, and perimeter enclosures. By verifying the status of physical barrier guards, the switch helps protect personnel and machinery by preventing hazardous machine operation when safety barriers are open or improperly secured. This industrial safety switch features a rugged construction suitable for demanding factory environments, with a unit net weight of 10 kg. It serves as a replacement component and maintenance spare part for Allen-Bradley safety systems and automated equipment installations. Typical applications include packaging machinery, assembly lines, robotic work cells, material handling equipment, and manufacturing tooling where reliable guard position monitoring and interlocking functionality are required. The Allen-Bradley 440G-T27129 safety interlock switch delivers dependable performance for routine maintenance, repair operations, and facility safety retrofits across automated production facilities.