{"product_id":"siemens-3ru2126-4cb0","title":"3RU2126-4CB0","description":"\n\u003ch2\u003eOverview of Siemens 3RU2126-4CB0\u003c\/h2\u003e\n\u003cp\u003eOrder the genuine Siemens 3RU2126-4CB0 thermal overload relay online today for your automation system. This industrial-grade protection device is designed for reliable motor protection in demanding environments. The Siemens 3RU2126-4CB0 is a 3-pole thermal overload relay, adjustable from 17 to 22 amps, providing overload and phase failure protection for motors. It is specifically engineered for use with Siemens 3RT202 contactors, making it a perfect fit for factory control panels and industrial automation setups. With its robust construction and proven Siemens reliability, this relay ensures long-term performance and safety in critical applications. Whether you are upgrading an existing system or building a new control panel, the Siemens 3RU2126-4CB0 is a trusted choice for engineers and maintenance professionals worldwide.\u003c\/p\u003e\n\u003ch2\u003eKey Features of Siemens 3RU2126-4CB0\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eAdjustable current range: 17–22 A for flexible motor protection\u003c\/li\u003e\n\u003cli\u003eThermal overload protection with phase failure detection\u003c\/li\u003e\n\u003cli\u003eMounts directly to Siemens 3RT202 contactors for seamless integration\u003c\/li\u003e\n\u003cli\u003eSize S0 design for compact installation in control panels\u003c\/li\u003e\n\u003cli\u003eClass 10 trip class for fast response to overloads\u003c\/li\u003e\n\u003cli\u003e1 NO and 1 NC auxiliary contacts for status monitoring\u003c\/li\u003e\n\u003cli\u003eScrew terminal connections for secure wiring in main and auxiliary circuits\u003c\/li\u003e\n\u003cli\u003eDesigned for industrial automation and machine control applications\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eTechnical Specs of 3RU2126-4CB0\u003c\/h2\u003e\n\u003cp\u003eExplore Siemens 3RU2126-4CB0 technical data for detailed parameters before installation.\u003c\/p\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eParameter\u003c\/th\u003e\n\u003cth\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eType\u003c\/td\u003e\n\u003ctd\u003eThermal Overload Relay\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCurrent Range\u003c\/td\u003e\n\u003ctd\u003e17–22 A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSize\u003c\/td\u003e\n\u003ctd\u003eS0\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eContactor Compatibility\u003c\/td\u003e\n\u003ctd\u003eSiemens 3RT202\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eContact Form\u003c\/td\u003e\n\u003ctd\u003e1 NO, 1 NC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTerminal Type\u003c\/td\u003e\n\u003ctd\u003eScrew\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProtection Class\u003c\/td\u003e\n\u003ctd\u003eClass 10\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ch2\u003eApplications \/ Use Case\u003c\/h2\u003e\n\u003cp\u003eThis Siemens 3RU2126-4CB0 is commonly used in industrial automation worldwide. It is ideal for protecting motors in factory control panels, production line systems, and packaging and conveyor operations. The relay’s overload and phase failure protection ensures safe operation in environments where motor reliability is critical. Engineers and maintenance teams rely on this device for its compatibility with Siemens contactors and its proven performance in demanding industrial settings.\u003c\/p\u003e\n\u003ch2\u003ePrice \u0026amp; Availability\u003c\/h2\u003e\n\u003cp\u003eCheck Siemens 3RU2126-4CB0 price and availability online for fast worldwide dispatch.\u003c\/p\u003e\n\u003ch2\u003eWhy Order from LeadTime.ca\u003c\/h2\u003e\n\u003cp\u003eAll products on LeadTime.ca are genuine, supplied by trusted distributors, and available for worldwide shipping. Order now for worldwide delivery.\u003c\/p\u003e\n\u003ch2\u003eRelated Resources\u003c\/h2\u003e\n\u003ca href=\"https:\/\/leadtime.ca\/\"\u003eLeadTime.ca – Industrial Automation Components \u0026amp; Repair Services\u003c\/a\u003e\u003cbr\u003e\n\u003ca href=\"https:\/\/leadtime.ca\/collections\/siemens\"\u003eBrowse Siemens PLCs, Drives \u0026amp; Automation Parts\u003c\/a\u003e\u003cbr\u003e\n\u003ca href=\"https:\/\/leadtime.ca\/blogs\/learning-center\/siemens-plc-programming-basics\"\u003eSiemens PLC Programming Basics Guide\u003c\/a\u003e\u003cbr\u003e\n\u003ca href=\"https:\/\/leadtime.ca\/blogs\/learning-center\/siemens-tia-portal-io-errors\"\u003eSiemens TIA Portal IO Errors Troubleshooting\u003c\/a\u003e\u003cbr\u003e\n\u003ca href=\"https:\/\/leadtime.ca\/blogs\/learning-center\/siemens-drive-parameter-setup\"\u003eSiemens Drive Parameter Setup Reference\u003c\/a\u003e\n","brand":"Siemens","offers":[{"title":"Default Title","offer_id":47796409106731,"sku":null,"price":44.53,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0837\/4671\/7995\/files\/Leadtime_2eb557cd-97bc-4e27-9056-f947d2c4194f.png?v=1723550892","url":"https:\/\/leadtime.ca\/products\/siemens-3ru2126-4cb0","provider":"LEADTIME","version":"1.0","type":"link"}