{"product_id":"united-electric-controls-b402-120-temperature-switch-90025","title":"UNITED ELECTRIC CONTROLS B402-120 TEMPERATURE SWITCH 90025","description":"\u003ch3\u003eDescription:\u003c\/h3\u003e\n\u003cp\u003eThe United Electric Controls B402-120 Temperature \u003ca href=\"https:\/\/plgautomation.com\/collections\/switches-circuit-protection\"\u003eSwitch\u003c\/a\u003e is used in industrial process heating, boiler systems, heat exchangers, and equipment protection applications to monitor temperature and provide automatic electrical switching at predetermined temperature setpoints. Commonly installed in power generation facilities, chemical processing plants, refineries, industrial heating systems, and OEM equipment requiring reliable temperature-actuated control. Maintenance technicians and \u003ca href=\"https:\/\/plgautomation.com\/collections\/hmi-operator-interfaces\"\u003esystem integrators\u003c\/a\u003e use this part for repair, retrofit, expansion, or replacement of existing temperature monitoring systems.\u003c\/p\u003e\n\u003ch3\u003eApplications:\u003c\/h3\u003e\n\u003cp\u003eThe United Electric Controls B402-120 Temperature Switch is commonly used in process control systems, boiler protection circuits, heat tracing applications, thermal fluid systems, industrial furnaces, and utility equipment. The switch converts temperature changes into electrical switching actions for alarms, equipment shutdown, heating control, and process regulation, helping maintain safe and efficient operation of critical industrial equipment.\u003c\/p\u003e\n\u003ch3\u003eTechnical Specifications:\u003c\/h3\u003e\n\u003cp\u003e• Brand: United Electric Controls\u003cbr\u003e• Part Number: B402-120\u003cbr\u003e• Reference Number: 90025\u003cbr\u003e• Product Type: Temperature Switch\u003cbr\u003e• Series: 400 Series\u003cbr\u003e• Switch Type: Electromechanical Temperature Switch\u003cbr\u003e• Function: Temperature Monitoring and Control\u003cbr\u003e• Sensor Type: Remote Bulb and Capillary Assembly\u003cbr\u003e• Output Type: SPDT Snap-Action Switch Contacts\u003cbr\u003e• Enclosure Type: Industrial-Duty Housing\u003cbr\u003e• Application: Industrial Process and Equipment Protection\u003cbr\u003e• Suitable for Boilers and Heat Exchangers\u003cbr\u003e• Designed for Alarm and Shutdown Applications\u003cbr\u003e• Compatible with Process Control Systems\u003cbr\u003e• Intended for OEM Equipment and Replacement Installations\u003cbr\u003e• Suitable for Maintenance, Retrofit, and Repair Projects\u003cbr\u003e• Engineered for Continuous-Duty Industrial Service\u003c\/p\u003e\n\u003ch3\u003eCommon Replacements:\u003c\/h3\u003e\n\u003cp\u003e• United Electric Controls B121-121 Temperature Switch\u003cbr\u003e• United Electric Controls E402 Series Temperature Switch\u003cbr\u003e• United Electric Controls 120 Series Temperature Switch\u003c\/p\u003e","brand":"UNITED","offers":[{"title":"New","offer_id":51728597451054,"sku":null,"price":0.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0940\/0818\/1038\/files\/Ebay_website_image_c2a529a7-7004-472b-ab19-739f4d5e39b2.jpg?v=1770586991","url":"https:\/\/plgautomation.com\/products\/united-electric-controls-b402-120-temperature-switch-90025","provider":"PLG Automation ","version":"1.0","type":"link"}