The KSD.301-95/103PAK with Thermostat Switches Through Hole RoHS is a high-quality electronic part manufactured by Xucheng. The part is a RoHS compliant, high-precision, high-reliability solid state thermostat designed for thermal control of DC and AC powered applications. It features a normally closed snap action type contact, requiring no external force to keep the contact closed. It is constructed with high temperature polymer with integrated thermal sensing elements to ensure fast and accurate thermal response. It has a wide range of operating temperatures, adjustable from -20°C to +160°C, adjustable differential (hysteresis) from 5-50°C, and adjustable contact rating from 5 - 30A. It is rated for 250VAC and is ideal for use in DC fans, heaters, computer systems, fluid-level sensing, light switching, boiler or furnace control, and agricultural/farm equipment. This model is available with two mounting types: through-hole and panel-mountable. The part is lead-free and RoHS compliant.