Whether it’s a new machine design or a retrofit to increase operator safety on an existing machine, Sentrol Industrial GuardSwitches provide the best fit for your application. Edwards Signaling's reputation for durability and dependability is based on meticulous manufacturing standards and stringent testing procedures. GE Security Interlogix's worldclass manufacturing has earned ISO 9001 certification for quality. Our manufacturing standards and attention to detail virtually eliminate out-of-box failures.