Allen-Bradley 100S-E40KN31C Safety Contactor

The Allen-Bradley 100S-E40KN31C (100S-E40KN31C) is a heavy-duty safety contactor designed for critical power isolation and machine control applications. Belonging to the Allen-Bradley Bulletin 100S family of safety switching devices, this unit provides positively guided and mechanically linked auxiliary contact performance required in modern industrial safety systems. It is commonly integrated into motor control centers, automated manufacturing cells, packaging systems, material handling lines, and emergency stop interlock circuits. The contactor enables dependable electrical switching of heavy loads while safeguarding personnel and equipment against uncontrolled machine restart or contact welding hazards. Engineered to withstand continuous operation in harsh manufacturing environments, it supports dependable mounting in electrical control enclosures alongside compatible motor protectors, safety relays, and programmable logic controllers. Its durable housing protects internal switching mechanisms, ensuring repeatable operation across extensive service cycles. With a recorded unit weight of approximately 10 kg, this genuine replacement component ensures seamless physical and electrical drop-in replacement for maintenance and repair requirements.