{"product_id":"siemens-thermistor-tripping-unit-3un2100-0an7","title":"Siemens Thermistor Tripping Unit 1NO\/1NC 220-240VAC 50\/60Hz 3UN2100-0AN7","description":"\u003ch2 data-start=\"109\" data-end=\"179\"\u003eSiemens Thermistor Tripping Unit 1NO\/1NC 220–240VAC – 3UN2100-0AN7\u003c\/h2\u003e\n\u003cp data-start=\"181\" data-end=\"532\"\u003eThe Siemens 3UN2100-0AN7 Thermistor Tripping Unit is a high-performance protection device designed to monitor temperature variations in motor circuits, helping prevent overheating and equipment failure. Operating at 220–240VAC with a 50\/60Hz frequency, this unit integrates seamlessly into a wide range of industrial and commercial electrical systems.\u003c\/p\u003e\n\u003cp data-start=\"534\" data-end=\"867\"\u003eFeaturing one Normally Open (NO) and one Normally Closed (NC) contact, it offers flexible control options within motor protection schemes. Utilizing PTC thermistor technology, the unit delivers precise thermal monitoring and triggers a trip response in case of excessive temperatures, enhancing motor lifespan and operational safety.\u003c\/p\u003e\n\u003cp data-start=\"869\" data-end=\"1254\"\u003eBuilt with Siemens’ renowned engineering quality, the 3UN2100-0AN7 is robust and dependable, ideal for use in harsh industrial environments. The automatic reset function simplifies recovery after normal operating conditions resume. Though discontinued by the manufacturer, this model remains a trusted solution in legacy systems requiring consistent temperature-based motor protection.\u003c\/p\u003e\n\u003cp data-start=\"1256\" data-end=\"1273\"\u003e\u003cstrong data-start=\"1256\" data-end=\"1273\"\u003eKey Features:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"1274\" data-end=\"1442\" data-is-last-node=\"\" data-is-only-node=\"\"\u003e\n\u003cli data-start=\"1274\" data-end=\"1306\"\u003e\n\u003cp data-start=\"1276\" data-end=\"1306\"\u003ePTC Thermistor Tripping Unit\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1307\" data-end=\"1340\"\u003e\n\u003cp data-start=\"1309\" data-end=\"1340\"\u003e1NO\/1NC Contact Configuration\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1341\" data-end=\"1364\"\u003e\n\u003cp data-start=\"1343\" data-end=\"1364\"\u003eVoltage: 220–240VAC\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1365\" data-end=\"1387\"\u003e\n\u003cp data-start=\"1367\" data-end=\"1387\"\u003eFrequency: 50\/60Hz\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1388\" data-end=\"1411\"\u003e\n\u003cp data-start=\"1390\" data-end=\"1411\"\u003eAuto Reset Function\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1412\" data-end=\"1442\" data-is-last-node=\"\"\u003e\n\u003cp data-start=\"1414\" data-end=\"1442\" data-is-last-node=\"\"\u003eDiscontinued by Manufacturer\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eExplore our Siemens range to discover reliable solutions for all your industrial electrical needs. Click the logo below to view the full collection.\u003c\/h3\u003e\n\u003cp style=\"text-align: center;\"\u003e\u003cbr\u003e\u003ca title=\"Siemens\" href=\"https:\/\/industrialelectricalwarehouse.com\/collections\/siemens\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0603\/3503\/0456\/files\/siemens-industrial-electrical-warehouse-shop-now.webp\" alt=\"Shop-Siemens-Collection-Online-at-Industrial-Electrical-Warehouse\"\u003e\u003c\/a\u003e\u003c\/p\u003e","brand":"Siemens","offers":[{"title":"USED - In-House","offer_id":47662258487609,"sku":"133148399575","price":120.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0603\/3503\/0456\/files\/Siemens-3UN2100-0AN7.webp?v=1746290743","url":"https:\/\/industrialelectricalwarehouse.com\/en-gp\/products\/siemens-thermistor-tripping-unit-3un2100-0an7","provider":"Industrial Electrical Warehouse","version":"1.0","type":"link"}