{"product_id":"united-electric-controls-e121-13273-temperature-switch","title":"United Electric Controls E121-13273 Temperature Switch","description":"\u003cdiv class=\"\" data-turn-id-container=\"request-6a43a35d-6f44-83ec-bb05-598fd82bfd75-14\" 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-bb05-598fd82bfd75-14\" data-turn-id-container=\"request-6a43a35d-6f44-83ec-bb05-598fd82bfd75-14\" data-testid=\"conversation-turn-442\" 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=\"7e9f0119-754f-4859-9a87-1f89b4baefbf\" 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=\"821\"\u003eThe United Electric Controls E121-13273 Temperature \u003ca href=\"https:\/\/plgautomation.com\/collections\/switches-circuit-protection\"\u003eSwitch\u003c\/a\u003e is used in industrial process control systems to monitor temperature and provide automatic switching for equipment protection and process regulation. Commonly installed in heat tracing systems, boilers, compressors, turbines, HVAC equipment, chemical processing plants, and oil and gas facilities requiring an adjustable temperature range of 25°F to 325°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 switch for preventive maintenance, alarm functions, emergency shutdown, and replacement of OEM temperature control devices. The E121 Series is part of UE's explosion-proof 120 Series, designed for hazardous industrial environments. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3 data-section-id=\"5ms9th\" data-start=\"823\" data-end=\"840\"\u003eApplications:\u003c\/h3\u003e\n\u003cp data-start=\"841\" data-end=\"1306\"\u003eThe United Electric Controls E121-13273 Temperature Switch is commonly used in heat tracing systems, freeze protection circuits, rotating equipment, boilers, combustion systems, chemical processing, petrochemical plants, refineries, and oil and gas production facilities. It is suitable for high-reliability temperature monitoring, process control, equipment protection, and safety shutdown applications in hazardous locations. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3 data-section-id=\"5hg6bl\" data-start=\"1308\" data-end=\"1337\"\u003eTechnical Specifications:\u003c\/h3\u003e\n\u003cp data-start=\"1338\" data-end=\"2008\"\u003e• Brand: United Electric Controls (UE)\u003cbr data-start=\"1376\" data-end=\"1379\"\u003e• Model: E121-13273\u003cbr data-start=\"1398\" data-end=\"1401\"\u003e• Product Type: Temperature Switch\u003cbr data-start=\"1435\" data-end=\"1438\"\u003e• Series: 120 Series (Explosion-Proof)\u003cbr data-start=\"1476\" data-end=\"1479\"\u003e• Temperature Range: 25°F to 325°F (-4°C to 163°C)\u003cbr data-start=\"1529\" data-end=\"1532\"\u003e• Switching Voltage: 480 VAC\u003cbr data-start=\"1560\" data-end=\"1563\"\u003e• Electrical Rating: 22 A at 480 VAC\u003cbr data-start=\"1599\" data-end=\"1602\"\u003e• Contact Type: SPDT Snap-Action Microswitch\u003cbr data-start=\"1646\" data-end=\"1649\"\u003e• Adjustable Setpoint: Yes\u003cbr data-start=\"1675\" data-end=\"1678\"\u003e• Sensor Type: Remote Bulb and Capillary\u003cbr data-start=\"1718\" data-end=\"1721\"\u003e• Maximum Process Temperature: 360°F (182°C)\u003cbr data-start=\"1765\" data-end=\"1768\"\u003e• Enclosure: Explosion-Proof, NEMA 4X \/ IP66\u003cbr data-start=\"1812\" data-end=\"1815\"\u003e• Hazardous Area Certifications: cULus, ATEX, IECEx (model\/option dependent)\u003cbr data-start=\"1891\" data-end=\"1894\"\u003e• Application: Industrial Temperature Monitoring, Alarm, and Safety Shutdown \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3 data-section-id=\"1cz0398\" data-start=\"2010\" data-end=\"2034\"\u003eCommon Replacements:\u003c\/h3\u003e\n\u003cp data-start=\"2035\" data-end=\"2254\" data-is-last-node=\"\" data-is-only-node=\"\"\u003e• United Electric Controls E121-5BS Temperature Switch\u003cbr data-start=\"2089\" data-end=\"2092\"\u003e• United Electric Controls E121-4BS Temperature Switch\u003cbr data-start=\"2146\" data-end=\"2149\"\u003e• United Electric Controls One Series Electronic Temperature Switch\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":51714353463598,"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_abee29fd-65db-4578-b396-e0c40bac272b.jpg?v=1770423832","url":"https:\/\/plgautomation.com\/products\/united-electric-controls-e121-13273-temperature-switch","provider":"PLG Automation ","version":"1.0","type":"link"}