The ULV4F2HSS341 is a momentary, DPDT panel-mount switch with blue ring illumination. It features silver contacts with a cUL rating of 3A at 250 VAC and a lamp voltage of 3V at 20mA. This switch is designed for high reliability, offering a mechanical life of 1,000,000 cycles and an electrical life of 50,000 cycles at full load. With an operating temperature range of -20°C to 55°C and robust IP67 and IK10 ratings for ingress and impact protection, it is well-suited for demanding environments. Common applications include industrial controls, public access equipment, and security systems where durability and visibility are critical.