{"product_id":"siemens-3rv2021-4ba10","title":"3RV2021-4BA10","description":"\u003ch2\u003eOverview of Siemens 3RV2021-4BA10\u003c\/h2\u003e\n\u003cp\u003eBuy genuine Siemens 3RV2021-4BA10 directly from LeadTime.ca for your automation system. The Siemens 3RV2021-4BA10 is a robust, DIN rail–mounted motor starter protector engineered for reliable motor protection in demanding industrial environments. With an adjustable current range of 14 to 20A and class 10 overload trip characteristics, it delivers fast, precise motor protection—tripping within 10 seconds in overload conditions. This device combines overload and short-circuit protection, motor disconnect, and control in a single compact unit, making it a cost-effective solution for critical operations. Featuring magnetic short-circuit trip elements, phase loss sensitivity, and standard screw terminals, the 3RV2021-4BA10 supports easy installation and maintenance while complying with international standards for electrical safety.\u003c\/p\u003e\n\u003ch2\u003eKey Features of Siemens 3RV2021-4BA10\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eAdjustable motor protection range: 14–20A for precise application matching\u003c\/li\u003e\n\u003cli\u003eThermal-magnetic trip (class 10) and magnetic short-circuit release (260A) for comprehensive protection\u003c\/li\u003e\n\u003cli\u003eRotary ON\/OFF handle for safe manual operation\u003c\/li\u003e\n\u003cli\u003ePhase loss sensitivity for enhanced motor and system safety\u003c\/li\u003e\n\u003cli\u003eCompact S0 frame size with screw terminals for secure, vibration-resistant connections\u003c\/li\u003e\n\u003cli\u003eMounts on standard 35mm DIN rail for flexible, space-saving installation\u003c\/li\u003e\n\u003cli\u003eOperates across a wide voltage range (220–690V AC) and powers motors up to 7.5kW at 400V\u003c\/li\u003e\n\u003cli\u003eMinimized energy loss and reduced control cabinet heat output thanks to optimized bimetal trip units\u003c\/li\u003e\n\u003cli\u003eSupports optional auxiliary contacts (e.g., 3RV2901) for signalling and remote monitoring\u003c\/li\u003e\n\u003cli\u003eUL-approved for use as a self-protected combination motor controller (Type E protection)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eTechnical Specs of Siemens 3RV2021-4BA10\u003c\/h2\u003e\n\u003cp\u003eReview Siemens 3RV2021-4BA10 specifications covering voltage, I\/O, and communication for detailed parameters before installation.\u003c\/p\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eParameter\u003c\/th\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAdjustable Trip Range\u003c\/td\u003e\n\u003ctd\u003e14–20A (A-release), 260A (N-release)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTrip Class\u003c\/td\u003e\n\u003ctd\u003eClass 10 (10 seconds or less)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRated Voltage\u003c\/td\u003e\n\u003ctd\u003e220–690V AC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMax Motor Power (400V AC)\u003c\/td\u003e\n\u003ctd\u003e7.5kW\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\u003eMounting\u003c\/td\u003e\n\u003ctd\u003e35mm DIN rail\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003e97 x 45 x 96 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProtection Class\u003c\/td\u003e\n\u003ctd\u003eIP20\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eConnection\u003c\/td\u003e\n\u003ctd\u003eScrew terminals\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temp\u003c\/td\u003e\n\u003ctd\u003e-20°C to +60°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ch2\u003eApplications \/ Use Case\u003c\/h2\u003e\n\u003cp\u003eThis Siemens 3RV2021-4BA10 is commonly used in industrial automation, process control, and machine automation worldwide. It is an ideal solution for protecting motors in production lines, packaging machinery, conveyors, and factory control panels. The integrated features—overload, short-circuit, and phase loss protection—ensure reliable operation and reduced downtime in critical applications. When paired with a Siemens 3RT2 contactor, it forms a complete, compact motor starter solution for systems requiring coordinated protection and control.\u003c\/p\u003e\n\u003ch2\u003ePrice \u0026amp; Availability\u003c\/h2\u003e\n\u003cp\u003eGet updated on Siemens 3RV2021-4BA10 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 authentic OEM, supplied by trusted distributors, and ready for international delivery. Buy online with fast global shipping and enjoy personalized support for all your industrial automation needs.\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-profibus-configuration\"\u003eHow to Configure Siemens PROFIBUS\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","brand":"Siemens","offers":[{"title":"Default Title","offer_id":47795914506539,"sku":null,"price":67.81,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0837\/4671\/7995\/files\/3RV2021-4BA10.png?v=1705776595","url":"https:\/\/leadtime.ca\/products\/siemens-3rv2021-4ba10","provider":"LEADTIME","version":"1.0","type":"link"}