3SBH5004K1R is a K Series Push Button Switch from TE Connectivity. It is a 22 mm industrial round red button switch that is designed for repeated on/off actuation applications such as in machine control and automation applications. The pushbutton is designed for safe working in hazardous areas. Features include silver-plated brass contacts, NEMA 4/4X and IP66/67/69K rated for dust, water, and oil tightness and a 30 mm actuator with a red bezel and a 15 mm strobe lens. The operating temperature range is -25°C to +70°C and the voltage rating is 250 VAC/DC. The 3SBH5004K1R meets the certification requirements of EAC, CCC, ENEC, and UL.