Bimetallic thermostat US-639

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The US-639 is a lead-wire attached bimetallic device that responds to temperature changes. Its main function is to regulate the temperature within a range defined by the user. It does this by automatically switching the electrical circuit ON and OFF, ensuring that the temperature remains within the desired limits, depending on its applications. ★ Available in Black and White case options. ★ Features： Waterproof, Small & compact design, User's request lead-wire assemblies are available. ★ Please contact us for specifications if they exceed the standard specification. ★ Standard Specification ➡ Electrical Rating："A" Contact Type：125 VAC 8A max. (200mA min.) 　　　　　　　　　　"A" Contact Type：250 VAC 4A max. (200mA min.) 　　　　　　　　　　"A" Contact Type：24 VDC 4A max. (200mA min.) 　　　　　　　　　　"A" Contact Type：12 VDC 8A max. (200mA min.) ➡ Temperature Setting range：50℃~100℃ ➡ Circuit resistance："A" Contact Type：70mΩ or Less ➡ Insulation resistance：100MΩ or Avobe 【 With 500 VDC megger】 ➡ Withstand voltage："A" Contact Type：1,500 VAC/ 1 minute (AC Type) 　　　　　　　　　　"A" Contact Type：1,200 VAC/ 1 minute (DC type) ➡ Thermal resistance： 120℃ 【Expect Lead wire】 ➡ Cold resistance： -20℃ ➡ Opening-closing durability：6,000 times or more [under rated load] ★ Application: Automotive-Steering-Wheel heater, Seat heater, Side-mirror heater, Arm-rest/Foot-rest heater, Drink-holder Heater, Door Panel Heater, BatteryPack Heater; Motor heat controller, Head pads, Inverter, etc. ★ This Thermostat is widely used in a broad range of temperature control applications for the Automobile Industry, Home appliances, and Residential equipment. ★