The GSAA40C is a GSA series electromechanical safety switch designed for machine guarding and safety monitoring. It features a top roller plunger actuator and four normally closed (4NC) slow-action contacts with silver alloy material. This switch requires a maximum operating force of 16 N (3.6 lb) and is housed in a durable, epoxy-coated die-cast zinc body sealed to IP67 standards. Designed to the EN50041 standard, it is ideal for applications on gates, guards, or doors for industrial equipment such as machine tools, packaging machinery, and material handling systems.