{"product_id":"siemens-3rv2021-4aa10-circuit-breaker","title":"Siemens 3RV2021-4AA10 - Circuit Breaker | AmpState","description":"\u003cdiv\u003e\n\u003cp\u003eMeet the Siemens 3RV2021-4AA10, a molded case circuit breaker designed to protect your electrical system with precision in panelboards and loadcenters. Its compact form maximizes panel space, letting you fit more protective devices without sacrificing reliability or accessibility.\u003c\/p\u003e \u003ch2\u003eKey Benefits\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eCompact molded case design\u003c\/strong\u003e uses panel space efficiently, helping you optimize layouts in tight installations.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eThermal-magnetic trip unit\u003c\/strong\u003e provides stable, repeatable protection across varying load conditions, reducing nuisance trips and ensuring dependable operation.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eOEM-compatible compatibility\u003c\/strong\u003e is engineered for straightforward integration with matching Siemens OEM loadcenters and panelboards, simplifying installations and replacements.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVersatile application\u003c\/strong\u003e suitable for residential, commercial, and light industrial branch circuits, delivering reliable overcurrent and short-circuit protection where it’s needed most.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch2\u003eWhat It Protects And How It Helps\u003c\/h2\u003e\n\u003cp\u003eThe 3RV2021-4AA10 delivers targeted protection for branch circuits within panelboards and loadcenters. By guarding against overcurrent and short circuits, it minimizes electrical risk, protects wiring and devices, and helps maintain essential system uptime in both new builds and retrofit projects.\u003c\/p\u003e \u003ch2\u003eIdeal Use Scenarios\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003eResidential subpanel installations where space is at a premium and reliable protection is a must.\u003c\/li\u003e \u003cli\u003eCommercial electrical rooms requiring compact, dependable circuit protection for lighting and receptacle runs.\u003c\/li\u003e \u003cli\u003eLight industrial panels where robust, repeatable trip performance supports continuous operation and easy maintenance.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch2\u003eCompatibility \u0026amp; Installation Insights\u003c\/h2\u003e\n\u003cp\u003eDesigned to pair with matching OEM Siemens loadcenters and panelboards, the 3RV2021-4AA10 streamlines ordering, stocking, and service. Its thermal-magnetic trip technology delivers consistent performance across temperature and loading scenarios, making it a trustworthy choice for technicians and facility managers alike.\u003c\/p\u003e\n\u003cp\u003eInstallation should align with local electrical codes and be performed by qualified personnel. Confirm panel compatibility and proper rating for your specific circuit before replacing or adding devices.\u003c\/p\u003e \u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eManufacturer:\u003c\/strong\u003e Siemens\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e 3RV2021-4AA10\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e Thermal-magnetic molded case circuit breaker\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eApplication:\u003c\/strong\u003e Branch circuit overcurrent and short-circuit protection\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Amp State","offers":[{"title":"Default Title","offer_id":46349742833826,"sku":null,"price":710.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/siemens_breaker_and_panel_eee5d9dd-4120-4462-9600-334bcfbfcb75.png?v=1764155693","url":"https:\/\/www.ampstate.com\/products\/siemens-3rv2021-4aa10-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}