The LSYUB1A is a heavy-duty limit switch from the MICRO SWITCH™ HDLS series, designed for reliable position sensing in demanding conditions. It features a side rotary actuator with momentary action, a low pretravel of 5° maximum, and a plug-in body for easy replacement. This model is a special low-temperature version constructed with fluorosilicone seals, allowing it to operate in environments down to -40 °C. The switch has SPDT silver contacts and a rugged zinc die-cast housing sealed to NEMA and IP standards, ensuring durability. Its robust, modular design and enhanced low-temperature performance make it suitable for outdoor applications, material handling equipment, and machinery operating in cold environments.