{"product_id":"siemens-3rv2021-4na10","title":"3RV2021-4NA10","description":"\n\u003ch2\u003eOverview of Siemens 3RV2021-4NA10\u003c\/h2\u003e\n\u003cp\u003eBuy genuine Siemens 3RV2021-4NA10 online today for your automation system. The Siemens 3RV2021-4NA10 is a premium motor protection circuit breaker designed for reliable overload and short-circuit protection in industrial environments. As part of the SIRIUS 3RV2 series, this device offers robust performance with a trip class of 10, making it ideal for applications requiring fast response to motor overloads. Featuring a compact S0 size and screw terminal connections, the 3RV2021-4NA10 is easy to install on standard DIN rails and integrates seamlessly into control panels. Its phase failure detection and high breaking capacity ensure dependable motor protection, while the adjustable current range (23–28 A) provides flexibility for a wide range of motor loads. Whether you're upgrading an existing system or building a new automation setup, the Siemens 3RV2021-4NA10 delivers factory-grade reliability and safety.\u003c\/p\u003e\n\u003ch2\u003eKey Features of Siemens 3RV2021-4NA10\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eMotor protection circuit breaker with overload and short-circuit protection\u003c\/li\u003e\n\u003cli\u003eAdjustable current range: 23–28 A for flexible motor sizing\u003c\/li\u003e\n\u003cli\u003eClass 10 trip characteristics for fast overload response\u003c\/li\u003e\n\u003cli\u003ePhase failure detection for enhanced system safety\u003c\/li\u003e\n\u003cli\u003eHigh breaking capacity: up to 100 kA at 240 V AC\u003c\/li\u003e\n\u003cli\u003eScrew terminal connections for secure wiring\u003c\/li\u003e\n\u003cli\u003eCompact S0 size for DIN rail mounting\u003c\/li\u003e\n\u003cli\u003eCompatible with optional auxiliary contacts for signaling and control\u003c\/li\u003e\n\u003cli\u003eUL\/CSA certified for use in North American applications\u003c\/li\u003e\n\u003cli\u003eRobust design for industrial automation environments\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eTechnical Specs of 3RV2021-4NA10\u003c\/h2\u003e\n\u003cp\u003eExplore Siemens 3RV2021-4NA10 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\u003eCurrent Range\u003c\/td\u003e\n\u003ctd\u003e23–28 A\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\u003eBreaking Capacity (Icu)\u003c\/td\u003e\n\u003ctd\u003e100 kA @ 240 V AC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Voltage\u003c\/td\u003e\n\u003ctd\u003e220–690 V AC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMounting\u003c\/td\u003e\n\u003ctd\u003eDIN rail\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\u003eProtection Class\u003c\/td\u003e\n\u003ctd\u003eClass 10\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePhase Failure Detection\u003c\/td\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTerminals\u003c\/td\u003e\n\u003ctd\u003eScrew\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ch2\u003eApplications \/ Use Case\u003c\/h2\u003e\n\u003cp\u003eThis Siemens 3RV2021-4NA10 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. Its robust design and reliable protection features make it a top choice for engineers and maintenance teams seeking to safeguard critical equipment from overload and short-circuit faults. Whether you need a motor protection solution for a new installation or a replacement for an existing system, the 3RV2021-4NA10 offers proven performance in demanding environments.\u003c\/p\u003e\n\u003ch2\u003ePrice \u0026amp; Availability\u003c\/h2\u003e\n\u003cp\u003eCheck Siemens 3RV2021-4NA10 price online through LeadTime.ca 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\u003cul\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/leadtime.ca\/\"\u003eLeadTime.ca – Industrial Automation Components \u0026amp; Repair Services\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/leadtime.ca\/collections\/siemens\"\u003eBrowse Siemens PLCs, Drives \u0026amp; Automation Parts\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/leadtime.ca\/blogs\/learning-center\/siemens-plc-programming-basics\"\u003eSiemens PLC Programming Basics Guide\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/leadtime.ca\/blogs\/learning-center\/siemens-tia-portal-trace-errors\"\u003eSiemens TIA Portal Trace Errors Troubleshooting\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/leadtime.ca\/blogs\/learning-center\/siemens-drive-parameter-setup\"\u003eSiemens Drive Parameter Setup Reference\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n","brand":"Siemens","offers":[{"title":"Default Title","offer_id":47796403175723,"sku":null,"price":113.35,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0837\/4671\/7995\/files\/Leadtime_bc676836-c5a6-4636-a935-a7e60f98e873.png?v=1723550956","url":"https:\/\/leadtime.ca\/products\/siemens-3rv2021-4na10","provider":"LEADTIME","version":"1.0","type":"link"}