{"product_id":"siemens-3rv2021-4na25","title":"3RV2021-4NA25","description":"\n\u003ch2\u003eOverview of Siemens 3RV2021-4NA25\u003c\/h2\u003e\n\u003cp\u003eBuy genuine Siemens 3RV2021-4NA25 online today for your automation system. The Siemens 3RV2021-4NA25 is a high-performance motor protection circuit breaker from the SIRIUS 3RV2 series, engineered for reliable operation in demanding industrial environments. This circuit breaker is designed to protect motors from overload, short-circuit, and phase failure, ensuring optimal safety and efficiency in your control panels. With a robust S0 frame and thermal overload release, the 3RV2021-4NA25 delivers precise protection for motors up to 22 kW. Its compact design and spring-type terminals make installation easy, while its auxiliary contacts provide additional monitoring and control capabilities. Whether you're upgrading your automation setup or replacing a legacy component, the Siemens 3RV2021-4NA25 is a trusted choice for industrial applications worldwide.\u003c\/p\u003e\n\u003ch2\u003eKey Features of Siemens 3RV2021-4NA25\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eMotor protection circuit breaker for reliable overload and short-circuit protection\u003c\/li\u003e\n\u003cli\u003eThermal overload release with Class 10 trip characteristics\u003c\/li\u003e\n\u003cli\u003ePhase failure detection for enhanced motor safety\u003c\/li\u003e\n\u003cli\u003eAdjustable current range: 23–28 A for flexible application\u003c\/li\u003e\n\u003cli\u003eSpring-type terminals for quick and secure wiring\u003c\/li\u003e\n\u003cli\u003e1NO-1NC auxiliary contacts for monitoring and control\u003c\/li\u003e\n\u003cli\u003eHigh breaking capacity: up to 100 kA at 240 V AC\u003c\/li\u003e\n\u003cli\u003eRated operational voltage up to 690 V AC for broad compatibility\u003c\/li\u003e\n\u003cli\u003eCompact S0 frame design for space-saving installation\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eTechnical Specs of 3RV2021-4NA25\u003c\/h2\u003e\n\u003cp\u003eExplore 3RV2021-4NA25 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\u003eRated Current\u003c\/td\u003e\n\u003ctd\u003e23–28 A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRated Voltage\u003c\/td\u003e\n\u003ctd\u003eUp to 690 V AC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBreaking Capacity\u003c\/td\u003e\n\u003ctd\u003e100 kA at 240 V AC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eShort-Circuit Trip\u003c\/td\u003e\n\u003ctd\u003e364 A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFrame Size\u003c\/td\u003e\n\u003ctd\u003eS0\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAuxiliary Contacts\u003c\/td\u003e\n\u003ctd\u003e1NO-1NC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Frequency\u003c\/td\u003e\n\u003ctd\u003e15 1\/h at AC-3\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInsulation Voltage\u003c\/td\u003e\n\u003ctd\u003e690 V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ch2\u003eApplications \/ Use Case\u003c\/h2\u003e\n\u003cp\u003eThis Siemens 3RV2021-4NA25 is commonly used in industrial automation worldwide. It is ideal for protecting motors in factory control panels, production line systems, and machine automation setups. The circuit breaker ensures safe and efficient operation in environments where motor reliability and protection are critical. Its robust design and advanced features make it suitable for a wide range of industrial applications, from packaging and conveyor operations to motion control setups.\u003c\/p\u003e\n\u003ch2\u003ePrice \u0026amp; Availability\u003c\/h2\u003e\n\u003cp\u003eCheck 3RV2021-4NA25 pricing for fast worldwide dispatch.\u003c\/p\u003e\n\u003ch2\u003eWhy Order from LeadTime.ca\u003c\/h2\u003e\n\u003cp\u003eAll product on LeadTime.ca is 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-trace-errors\"\u003eSiemens TIA Portal Trace 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":47796405895467,"sku":null,"price":126.73,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0837\/4671\/7995\/files\/Leadtime_f896f4c2-7167-4229-af23-b9fcf12ea601.png?v=1723550930","url":"https:\/\/leadtime.ca\/products\/siemens-3rv2021-4na25","provider":"LEADTIME","version":"1.0","type":"link"}