KSD.301-125/103PAB with Thermostat Switches Through Hole RoHS is a temperature control switch manufactured by Xucheng. It is a snap-action switch which is used for temperature control in electric appliances. This switch is designed with RoHS regulations, meaning that it does not contain any hazardous chemicals or materials. The KSD.301-125/103PAB features a 125? atmospheric temperature, a 10A 125V (resistance load) and a contact resistance of 150 milli-Ohms, which helps to ensure a highly reliable temperature control solution. Additionally, its through-hole design allows for secure mounting.