Temperature Controller Temperature Control Switch Thermostat Knob Adjustable Thermostat AC 250V 16A 50-300 COOTDTY Feet Are Normally Closed And Normally Open FunctionSpecifications:Material: Metal, Plastics, Ceramics,Rough Rod: 5mmRod Length: 50mmCable Length: 70cm Voltage: le; AC 250V Weight: 16A Temperature: 50C-300C Product Lifetime: gt; 100,000 Times Electrical Strength: AC2000V/1min Normal Insulation Resistance: ge; 100MOmega; Contact resistance: le; 50mOmega; For tidal insulation resistance: ge; 10MOmega; Temperature Response Rate: le; 1.0 C/minMinimum current: 200mA Methods:When the object is to be controlled, temperature changesTo get the temperature of the thermostat of the working fluidThe corresponding part of thermal expansion and contractionPhysical phenomena (change in the volume of the working fluid)Temperature sensorThe part of the bellows communicating with each other causes expansion or contraction. Through the lever, driven by shutdown action to achieve the purpose of constant temperature. Suitable for: Mainly used in household appliances (shower, drum washing machines, heaters), Electric equipment (stainless steel automatic water boilers, electric pans, food machinery, medical equipment), Refrigeration industry (kitchen freezer, fresh cabinet, refrigerator, ice machine, fish pond, cold drink, heater) with temperature control. Package Includes:1 Set Mechanical Thermostat