Allen-Bradley 440H-S34019 Safety Interlock Switch

The Allen-Bradley 440H-S34019 (440H-S34019) is a safety interlock switch designed for industrial machine guarding and personnel protection in automated manufacturing environments. This component functions within an electrical safety control circuit to monitor the status of movable barriers, access gates, and safety enclosures, preventing machinery from operating when guards are compromised or access points are opened. By integrating directly into industrial safety systems, the switch assists in mitigating hazards and maintaining operational safety across heavy-duty production equipment. Engineered for dependable physical switching in demanding operational settings, the device features a robust construction with a net weight of approximately 10 kg, reflecting its durable build for industrial installations. It is commonly deployed in manufacturing facilities, material handling systems, assembly lines, and automated processing plants where positive safety interlocking is critical. Technicians and maintenance personnel use the 440H-S34019 part number to specify authentic replacements, execute routine servicing, and support plant safety retrofits to ensure compliance and consistent performance across production machinery.