MICRO SWITCH GSX Series Explosion-Proof Safety Switch, 0.5 in NPT housing, 2NC/1NO side rotary Ø0.75 in x 0.25 in bronze roller Honeywell Sensing and Control MICRO SWITCH GSX Series Explosion-Proof Safety Switches combine the world-class MICRO SWITCH global safety switch (GSS) with our superior explosion-proof housing from our LSX and BX product lines, offerin gour customers the best of our engineering expertise. The positive break feature is designed to provide a safe failure mode, ensuring the machine will not start, and therefore supporting a safer work environment. The GSX Series switch platform allows for over 10,000 actuator and switch combinations, enabling customers to source most of their safety and explosion-proof switch requirements to a single, global supplier.