Allen-Bradley 440K-C21090 Safety Interlock Switch

The Allen-Bradley 440K-C21090 (440K-C21090) is a safety interlock switch designed for industrial monitoring, machinery safeguarding, and maintenance replacement workflows. Engineered to support equipment protection and plant floor safety systems, this safety interlock switch integrates into machine safety circuits to verify guard status and prevent hazardous operations when access gates, machine enclosures, or protective barriers are opened. It serves as a direct replacement component for preventive maintenance, repair operations, and facility upgrades where the specified part number 440K-C21090 is designated. The unit features a documented net weight of 10 kg and is constructed for dependable integration within compatible industrial safety installations. Typical applications include automated production lines, assembly equipment, material handling systems, and automated machinery requiring reliable safety interlocking. Please verify the part number, mounting configuration, and equipment safety system requirements prior to commissioning.