Engineered for installation directly to pc boards, the Rafi Rafix FS emergency stop switch has a mounting depth of 9.7 mm with a hole diameter requirement of 22.3 mm. This panel-mounted switch can instantly shut down machinery when hazardous conditions occur. Depression of the red actuator separates the normally closed contacts and immediately cuts off equipment power. The switch is UL, VDE and CSA approved and meets sealing requirements of IP65 as well as CE. Contacts are DPST gold or silver. Operating temperature is -25°C to 70°C.