{"product_id":"siemens-3rv2421-4ca20","title":"3RV2421-4CA20","description":"\u003ch2\u003eOverview of Siemens 3RV2421-4CA20\u003c\/h2\u003e\n\u003cp\u003eBuy genuine Siemens 3RV2421-4CA20 directly from LeadTime.ca for your automation system. The Siemens 3RV2421-4CA20 is a S0-class motor protection circuit breaker engineered for reliable transformer and motor protection in demanding industrial environments. Part of the trusted SIRIUS 3RV range, this device features A-release current settings from 16 to 22 A, making it ideal for safeguarding equipment from overload and short-circuit conditions. Built for durability and compliance with international standards, the Siemens 3RV2421-4CA20 is manufactured in Germany and delivers superior performance for both AC and DC circuits up to 690 V. Choose this circuit breaker for enhanced system safety, spring-type terminals for easy installation, and a long service life—perfect for engineers and system integrators seeking OEM quality.\u003c\/p\u003e\n\u003ch2\u003eKey Features of Siemens 3RV2421-4CA20\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003eSpecially designed for transformer and motor protection up to 690 V AC\/DC\u003c\/li\u003e\n  \u003cli\u003eA-release adjustable from 16–22 A, N-release at 364 A\u003c\/li\u003e\n  \u003cli\u003eSIRIUS 3RV series, Size S0, with rotary operator mechanism\u003c\/li\u003e\n  \u003cli\u003eSpring-type terminal ensures secure, tool-free wiring\u003c\/li\u003e\n  \u003cli\u003eStandard switching capacity for reliable operation under load\u003c\/li\u003e\n  \u003cli\u003eBuilt for extended product life and low carbon footprint during manufacture\u003c\/li\u003e\n  \u003cli\u003eISO quality manufacturing in Germany, ready for worldwide industrial deployment\u003c\/li\u003e\n  \u003cli\u003eEasy DIN rail mounting for quick integration into control panels\u003c\/li\u003e\n  \u003cli\u003eCompatible with a wide range of automation and process control systems\u003c\/li\u003e\n  \u003cli\u003eReview Siemens 3RV2421-4CA20 specs and datasheet for full compliance details\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eTechnical Specs of Siemens 3RV2421-4CA20\u003c\/h2\u003e\n\u003cp\u003eReview Siemens 3RV2421-4CA20 technical data to ensure system compatibility.\u003c\/p\u003e\n\u003ctable\u003e\n  \u003ctr\u003e\n\u003cth\u003eFeature\u003c\/th\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eSiemens\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003eSeries\u003c\/td\u003e\n\u003ctd\u003eSIRIUS 3RV2\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003eRated Current (A-release)\u003c\/td\u003e\n\u003ctd\u003e16...22 A\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003eRated Current (N-release)\u003c\/td\u003e\n\u003ctd\u003e364 A\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003eRated Voltage\u003c\/td\u003e\n\u003ctd\u003e690 V AC\/DC\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003eTerminal Type\u003c\/td\u003e\n\u003ctd\u003eSpring-type\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\u003eOrigin\u003c\/td\u003e\n\u003ctd\u003eGermany\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ch2\u003eApplications \/ Use Case\u003c\/h2\u003e\n\u003cp\u003eThis Siemens 3RV2421-4CA20 is commonly used in industrial automation and process control worldwide. It is suitable for machine automation, production line systems, packaging and conveyor operations, as well as factory control panels and motion control setups. Engineers rely on this circuit breaker for robust protection of transformers and motors in harsh environments, ensuring minimal downtime and maximum system reliability. Whether you need to buy Siemens 3RV2421-4CA20 for a new installation or a system upgrade, this device is designed for seamless integration and long-term performance.\u003c\/p\u003e\n\u003ch2\u003ePrice \u0026amp; Availability\u003c\/h2\u003e\n\u003cp\u003eSee Siemens 3RV2421-4CA20 price and stock status 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, sourced from verified suppliers, and available for worldwide shipping. Order now for worldwide delivery or request a quote for bulk orders to streamline your procurement process with full manufacturer support.\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 Guide\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"https:\/\/leadtime.ca\/blogs\/learning-center\/siemens-tia-portal-io-errors\"\u003eTroubleshooting Siemens TIA Portal I\/O Errors\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"https:\/\/leadtime.ca\/blogs\/learning-center\/siemens-drive-parameter-setup\"\u003eHow to Configure Siemens Drive Parameters\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Siemens","offers":[{"title":"Default Title","offer_id":47796545814827,"sku":null,"price":95.04,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0837\/4671\/7995\/files\/Leadtime_4ae5dfba-90fb-446b-accc-498e0f122773.png?v=1723548661","url":"https:\/\/leadtime.ca\/products\/siemens-3rv2421-4ca20","provider":"LEADTIME","version":"1.0","type":"link"}