{"product_id":"siemens-3rv2021-4na20","title":"3RV2021-4NA20","description":"\n\u003ch2\u003eOverview of Siemens 3RV2021-4NA20\u003c\/h2\u003e\n\u003cp\u003eBuy genuine Siemens 3RV2021-4NA20 online today for your automation system. The Siemens 3RV2021-4NA20 is a high-performance motor protection circuit breaker designed for reliable operation in demanding industrial environments. As part of the SIRIUS series, this circuit breaker offers robust protection for motors, ensuring safety and longevity in your control panels. With a rated current range of 23 to 28 A and a spring-type terminal for secure connections, the 3RV2021-4NA20 is engineered for easy installation and maintenance. Its compact size and high switching capacity make it ideal for integration into modern automation setups. Whether you're upgrading an existing system or building a new control panel, the Siemens 3RV2021-4NA20 delivers consistent performance and peace of mind.\u003c\/p\u003e\n\u003ch2\u003eKey Features of Siemens 3RV2021-4NA20\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eMotor protection circuit breaker with CLASS 10 trip characteristics\u003c\/li\u003e\n\u003cli\u003eRated current range: 23–28 A for reliable motor protection\u003c\/li\u003e\n\u003cli\u003eSpring-type terminals for secure and vibration-resistant connections\u003c\/li\u003e\n\u003cli\u003eCompact size S0 for space-saving installation\u003c\/li\u003e\n\u003cli\u003eHigh mechanical and electrical endurance (100,000 operating cycles)\u003c\/li\u003e\n\u003cli\u003eStandard switching capacity with N-release at 364 A\u003c\/li\u003e\n\u003cli\u003eInsulation voltage up to 690 V AC, suitable for industrial applications\u003c\/li\u003e\n\u003cli\u003eShock resistance according to IEC 60068-2-27 (25g \/ 11 ms)\u003c\/li\u003e\n\u003cli\u003eReusable design for long-term reliability\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eTechnical Specs of 3RV2021-4NA20\u003c\/h2\u003e\n\u003cp\u003eExplore Siemens 3RV2021-4NA20 specifications 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\u003e690 V AC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNumber of Poles\u003c\/td\u003e\n\u003ctd\u003e3\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\u003eInsulation Voltage\u003c\/td\u003e\n\u003ctd\u003e690 V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSurge Voltage Resistance\u003c\/td\u003e\n\u003ctd\u003e6 kV\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eShock Resistance\u003c\/td\u003e\n\u003ctd\u003e25g \/ 11 ms\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Loss (AC, hot)\u003c\/td\u003e\n\u003ctd\u003e13.25 W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions (WxHxD)\u003c\/td\u003e\n\u003ctd\u003e45 x 119 x 97 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIP Rating\u003c\/td\u003e\n\u003ctd\u003eIP20\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ch2\u003eApplications \/ Use Case\u003c\/h2\u003e\n\u003cp\u003eThis Siemens 3RV2021-4NA20 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's robust design and high endurance make it suitable for continuous operation in harsh environments, ensuring reliable protection for motors and equipment. Whether you need a solution for packaging and conveyor operations or motion control setups, the 3RV2021-4NA20 is a trusted choice for engineers and maintenance professionals.\u003c\/p\u003e\n\u003ch2\u003ePrice \u0026amp; Availability\u003c\/h2\u003e\n\u003cp\u003eCheck Siemens 3RV2021-4NA20 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\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\"\u003eTroubleshooting Siemens TIA Portal I\/O Errors\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\n\n\n\n\n\n","brand":"Siemens","offers":[{"title":"Default Title","offer_id":47796247167275,"sku":null,"price":112.18,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0837\/4671\/7995\/files\/Leadtime_81424056-264a-40e4-8783-00df5d753446.png?v=1723553148","url":"https:\/\/leadtime.ca\/products\/siemens-3rv2021-4na20","provider":"LEADTIME","version":"1.0","type":"link"}