{"product_id":"siemens-3rv2021-4na10-sirius-motor-starter-protector-23-28a","title":"Siemens 3RV2021-4NA10","description":"\u003ch2\u003eOverview\u003c\/h2\u003e\n\u003cp\u003eThe Siemens 3RV2021-4NA10 is a robust and essential component from the acclaimed SIRIUS series, specifically engineered to deliver unparalleled protection for electric motors within demanding industrial environments. This motor starter protector is not merely a component; it's a guardian for your critical machinery, ensuring operational continuity and extending motor lifespan. Boasting an adjustable current range of 23 to 28 Amperes, it offers the flexibility needed to precisely match various motor requirements, thereby guaranteeing optimal performance and paramount safety. Its intuitive design includes a prominent rotary ON\/OFF handle, simplifying operation and enhancing user convenience. Furthermore, with Class 10 overload trip characteristics, this device reacts swiftly, interrupting power within 10 seconds or less during overload conditions to prevent potential damage. The integration of secure screw terminals streamlines the wiring process, contributing to a hassle-free installation and a reliable, enduring connection.\u003c\/p\u003e\n\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n    \u003cli\u003e\n\u003cstrong\u003ePrecise Adjustable Current Range:\u003c\/strong\u003e Offers a flexible setting from 23 to 28 Amperes, ensuring accurate protection tailored to specific motor loads.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eRapid Class 10 Overload Protection:\u003c\/strong\u003e Guarantees swift response and tripping within 10 seconds or less under overload conditions, safeguarding motors from thermal damage.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eIntuitive Rotary ON\/OFF Operation:\u003c\/strong\u003e Designed with a user-friendly rotary handle for straightforward manual control and clear operational status indication.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eSecure Screw Terminals:\u003c\/strong\u003e Provides robust and efficient electrical connections, minimizing installation time and maximizing reliability.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eUniversal DIN Rail Mounting:\u003c\/strong\u003e Compatible with standard 35 mm DIN rails, allowing for quick and seamless integration into existing control panels.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eComprehensive Motor Safeguarding:\u003c\/strong\u003e Effectively protects 3-phase motors up to 18.5 kW at 400 V AC from both overload and short-circuit faults.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eIEC and UL Compliance:\u003c\/strong\u003e Meets stringent international and North American safety and performance standards, ensuring global applicability and peace of mind.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\n\u003cul\u003e\n    \u003cli\u003e\n\u003cstrong\u003eProduct Type:\u003c\/strong\u003e Motor Starter Protector\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e 3RV2021-4NA10\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e SIEMENS\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eSeries:\u003c\/strong\u003e SIRIUS\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eRated Operational Voltage (Ue):\u003c\/strong\u003e Up to 690 V AC\/DC\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eRated Current (In):\u003c\/strong\u003e 23 to 28 A\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eOverload Release Class:\u003c\/strong\u003e Class 10\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eShort-Circuit Release:\u003c\/strong\u003e Fixed at 364 A\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eNumber of Poles:\u003c\/strong\u003e 3\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eTerminals:\u003c\/strong\u003e Screw-type\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eMounting:\u003c\/strong\u003e 35 mm DIN rail\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eDimensions (W x H x D):\u003c\/strong\u003e 45 mm x 97 mm x 97 mm\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e Approximately 0.84 lb (0.38 kg)\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eCompliance:\u003c\/strong\u003e Conforms to IEC and UL standards\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eApplications\u003c\/h2\u003e\n\u003cul\u003e\n    \u003cli\u003e\n\u003cstrong\u003eIndustrial Motor Protection:\u003c\/strong\u003e Essential for safeguarding a wide range of 3-phase motors in factories, plants, and workshops, preventing costly downtime and repairs.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eAutomated Systems Integration:\u003c\/strong\u003e Perfectly suited for deployment within sophisticated industrial automation systems where reliable and precise motor control is critical.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eControl Panel Assembly:\u003c\/strong\u003e An ideal component for integration into industrial control panels, providing a compact yet powerful protective solution.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003ePumps and Fans:\u003c\/strong\u003e Ensures the continuous, safe operation of pumps, fans, and other motor-driven equipment, vital for various industrial processes.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eHVAC Systems:\u003c\/strong\u003e Offers dependable protection for motors within commercial and industrial heating, ventilation, and air conditioning systems.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eConveyor Systems:\u003c\/strong\u003e Maintains the smooth and uninterrupted operation of conveyor belts by protecting their drive motors from electrical faults.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eWhy Choose This Model?\u003c\/h2\u003e\n\u003cul\u003e\n    \u003cli\u003e\n\u003cstrong\u003eUnwavering Reliability from SIEMENS:\u003c\/strong\u003e Benefit from the renowned quality and engineering excellence of SIEMENS, a global leader in industrial automation.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eEnhanced Motor Lifespan:\u003c\/strong\u003e Its precise overload and short-circuit protection significantly reduces the risk of motor damage, extending their operational life.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eSimplified Installation and Maintenance:\u003c\/strong\u003e Designed for ease of use with screw terminals and DIN rail mounting, streamlining setup and reducing maintenance efforts.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eOptimized Performance:\u003c\/strong\u003e The adjustable current range allows for fine-tuned protection, ensuring motors operate within their optimal parameters without unnecessary trips.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eGlobal Standards Compliance:\u003c\/strong\u003e Conformance to both IEC and UL standards signifies its suitability and safety for a diverse range of international applications.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eCompact and Space-Saving Design:\u003c\/strong\u003e Its efficient dimensions allow for easy integration into crowded control panels, maximizing valuable cabinet space.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eOrder Now\u003c\/h2\u003e\n\u003cp\u003eElevate your industrial motor protection strategy with the Siemens 3RV2021-4NA10 SIRIUS motor starter protector. Invest in superior reliability, enhanced safety, and extended motor lifespan for your critical operations. Browse our complete selection of Siemens Industrial Automation Products to discover more innovative solutions.\u003c\/p\u003e","brand":"SIEMENS","offers":[{"title":"Default Title","offer_id":45187856531509,"sku":"3RV2021-4NA10","price":450.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0713\/7263\/6213\/files\/3RV2021-4NA10.webp?v=1777526842","url":"https:\/\/djer6s-ji.myshopify.com\/products\/siemens-3rv2021-4na10-sirius-motor-starter-protector-23-28a","provider":"PLCReadyparts","version":"1.0","type":"link"}