Allen-Bradley 440G-T27178 Safety Interlock Switch

The Allen-Bradley 440G-T27178 (440G-T27178) is a safety interlock switch engineered to provide reliable monitoring and interlocking for machine access doors, gates, and protective guards. Designed for industrial safety circuits, this switch prevents hazardous machinery operation whenever a guard door is open, ensuring high levels of personnel safety and equipment protection. Constructed for demanding factory environments, the 440G-T27178 supports standard safety interlock functions across manufacturing lines, packaging equipment, automated assembly cells, and robotic work stations. The unit features a robust industrial housing built to withstand continuous operational cycles and harsh operating conditions, with a recorded unit weight of approximately 10 kg. It integrates seamlessly into established machine safety architectures, helping facilities maintain compliance with relevant workplace safety standards. By delivering dependable interlocking action and guard status monitoring, the Allen-Bradley 440G-T27178 safety interlock switch helps prevent accidental machine start-up, protect operators from moving mechanisms, and reduce maintenance downtime in mission-critical automated production facilities.