{"product_id":"united-electric-controls-c402-121-temperature-controller","title":"United Electric Controls C402-121 Temperature Controller","description":"\u003cdiv class=\"\" data-turn-id-container=\"request-6a43a35d-6f44-83ec-bb05-598fd82bfd75-13\" data-is-intersecting=\"true\"\u003e\n\u003csection class=\"text-token-text-primary w-full focus:outline-none has-data-writing-block:pointer-events-none [\u0026amp;:has([data-writing-block])\u0026gt;*]:pointer-events-auto R6Vx5W_threadScrollVars scroll-mb-[calc(var(--scroll-root-safe-area-inset-bottom,0px)+var(--thread-response-height))] scroll-mt-[calc(var(--header-height)+min(200px,max(70px,20svh)))]\" dir=\"auto\" data-turn-id=\"request-6a43a35d-6f44-83ec-bb05-598fd82bfd75-13\" data-turn-id-container=\"request-6a43a35d-6f44-83ec-bb05-598fd82bfd75-13\" data-testid=\"conversation-turn-440\" data-turn=\"assistant\"\u003e\n\u003cdiv class=\"text-base my-auto mx-auto pb-10 [--thread-content-margin:var(--thread-content-margin-xs,calc(var(--spacing)*4))] @w-sm\/main:[--thread-content-margin:var(--thread-content-margin-sm,calc(var(--spacing)*6))] @w-lg\/main:[--thread-content-margin:var(--thread-content-margin-lg,calc(var(--spacing)*16))] px-(--thread-content-margin)\"\u003e\n\u003cdiv data-conversation-screenshot-content=\"\" class=\"[--thread-content-max-width:40rem] @w-lg\/main:[--thread-content-max-width:48rem] mx-auto max-w-(--thread-content-max-width) flex-1 group\/turn-messages focus-visible:outline-hidden relative flex w-full min-w-0 flex-col agent-turn\"\u003e\n\u003cdiv class=\"flex max-w-full flex-col gap-4 grow\"\u003e\n\u003cdiv data-message-author-role=\"assistant\" data-message-id=\"52193977-f4d8-4a04-8dbd-b07dbd433dc3\" data-turn-start-message=\"true\" dir=\"auto\" data-message-model-slug=\"gpt-5-5\" class=\"min-h-8 text-message relative flex w-full flex-col items-end gap-2 text-start break-words whitespace-normal outline-none keyboard-focused:focus-ring [.text-message+\u0026amp;]:mt-1\" tabindex=\"0\"\u003e\n\u003cdiv class=\"flex w-full flex-col gap-1 empty:hidden\"\u003e\n\u003cdiv class=\"markdown prose dark:prose-invert wrap-break-word w-full dark markdown-new-styling\"\u003e\n\u003ch3 data-section-id=\"17lc1ru\" data-start=\"0\" data-end=\"16\"\u003eDescription:\u003c\/h3\u003e\n\u003cp data-start=\"17\" data-end=\"841\"\u003eThe United Electric Controls C402-121 Temperature Controller is used in industrial process control systems to monitor temperature and provide automatic switching for equipment protection and temperature regulation. Commonly installed in boilers, heat exchangers, industrial ovens, HVAC systems, process piping, and manufacturing equipment requiring an adjustable temperature range of 200°F to 425°F with a 480 VAC control circuit. Maintenance technicians, process engineers, and \u003ca href=\"https:\/\/plgautomation.com\/collections\/hmi-operator-interfaces\"\u003esystem integrators\u003c\/a\u003e use this temperature controller for preventive maintenance, process automation, and replacement of OEM temperature control devices. The C402 Series is part of the United Electric 400 Series, designed for reliable electromechanical temperature control in demanding industrial environments. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3 data-section-id=\"5ms9th\" data-start=\"843\" data-end=\"860\"\u003eApplications:\u003c\/h3\u003e\n\u003cp data-start=\"861\" data-end=\"1355\"\u003eThe United Electric Controls C402-121 Temperature Controller is commonly used in industrial heating systems, furnaces, drying equipment, chemical processing plants, food and beverage processing, power generation facilities, OEM machinery, and process industries requiring dependable temperature monitoring and automatic switching. It is suitable for temperature regulation, over-temperature protection, alarm functions, and equipment shutdown applications. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3 data-section-id=\"5hg6bl\" data-start=\"1357\" data-end=\"1386\"\u003eTechnical Specifications:\u003c\/h3\u003e\n\u003cp data-start=\"1387\" data-end=\"2047\"\u003e• Brand: United Electric Controls (UE)\u003cbr data-start=\"1425\" data-end=\"1428\"\u003e• Model: C402-121\u003cbr data-start=\"1445\" data-end=\"1448\"\u003e• Product Type: Temperature Controller \/ Temperature Switch\u003cbr data-start=\"1507\" data-end=\"1510\"\u003e• Series: 400 Series\u003cbr data-start=\"1530\" data-end=\"1533\"\u003e• Temperature Range: 200°F to 425°F (93°C to 218°C)\u003cbr data-start=\"1584\" data-end=\"1587\"\u003e• Switching Voltage: 480 VAC\u003cbr data-start=\"1615\" data-end=\"1618\"\u003e• Electrical Rating: 20 A at 125\/250\/480 VAC Resistive\u003cbr data-start=\"1672\" data-end=\"1675\"\u003e• Contact Type: Two SPDT Switch Outputs\u003cbr data-start=\"1714\" data-end=\"1717\"\u003e• Adjustable Setpoint: Yes\u003cbr data-start=\"1743\" data-end=\"1746\"\u003e• Maximum Process Temperature: 475°F (246°C)\u003cbr data-start=\"1790\" data-end=\"1793\"\u003e• Temperature Sensor: Remote Bulb and Capillary Assembly\u003cbr data-start=\"1849\" data-end=\"1852\"\u003e• Enclosure Rating: NEMA 4X \/ IP66\u003cbr data-start=\"1886\" data-end=\"1889\"\u003e• Mounting: Panel, Pipe, or Surface Mount\u003cbr data-start=\"1930\" data-end=\"1933\"\u003e• Application: Industrial Temperature Monitoring, Alarm, and Process Control \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3 data-section-id=\"1cz0398\" data-start=\"2049\" data-end=\"2073\"\u003eCommon Replacements:\u003c\/h3\u003e\n\u003cp data-start=\"2074\" data-end=\"2287\" data-is-last-node=\"\" data-is-only-node=\"\"\u003e• United Electric Controls C400 Series Temperature Controller\u003cbr data-start=\"2135\" data-end=\"2138\"\u003e• United Electric Controls B402-121 Temperature Controller\u003cbr data-start=\"2196\" data-end=\"2199\"\u003e• Honeywell T775 Electronic Temperature Controller\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\u003c\/div\u003e","brand":"UE","offers":[{"title":"Used Surplus - Excellent Condition","offer_id":51714353496366,"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_2a189ddf-5a4a-43c7-a379-8caa78b51bb3.jpg?v=1770423833","url":"https:\/\/plgautomation.com\/products\/united-electric-controls-c402-121-temperature-controller","provider":"PLG Automation ","version":"1.0","type":"link"}