{"product_id":"siemens-3rv2021-1fa10-circuit-breaker","title":"Siemens 3RV2021-1FA10 - Circuit Breaker | AmpState","description":"\u003cdiv\u003e\n\u003cp\u003e\u003cstrong\u003eSiemens 3RV2021-1FA10\u003c\/strong\u003e molded case circuit breaker is engineered to protect branch circuits from overcurrent and short circuits with precision, reliability, and space efficiency. Designed for installation in panelboards and load centers, this device helps you safeguard electrical systems in a streamlined, OEM-compatible package.\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eWhy this breaker stands out\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eCompact molded-case design\u003c\/strong\u003e maximizes panel space and simplifies layout in tight electrical enclosures, making it ideal for residential panels, commercial boards, and light industrial installations where space is at a premium.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eThermal-magnetic trip unit\u003c\/strong\u003e delivers stable, repeatable protection performance across varying temperatures and load conditions, reducing nuisance trips while reliably interrupting faults when they occur.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eOEM compatibility\u003c\/strong\u003e is built in—specifically designed to pair with matching Siemens load centers and panelboards for seamless coordination and dependable operation.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVersatile applications\u003c\/strong\u003e suitable for residential, commercial, and light industrial environments, providing consistent protection for a wide range of circuits.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePart and type clarity\u003c\/strong\u003e—3RV2021-1FA10, a thermal-magnetic molded case circuit breaker, dedicated to branch circuit overcurrent and short-circuit protection.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eIdeal use cases\u003c\/h3\u003e\n\u003cp\u003eUse the \u003cstrong\u003e3RV2021-1FA10\u003c\/strong\u003e when you need reliable branch circuit protection inside compact panelboards or load centers. It’s a practical choice for retrofits in confined spaces, new installations requiring Siemens OEM compatibility, and service upgrades where space, reliability, and precise protection are paramount.\u003c\/p\u003e \u003ch3\u003eWho benefits most\u003c\/h3\u003e\n\u003cp\u003eElectrical professionals, facilities managers, and homeowners performing panel upgrades will appreciate the combination of space efficiency, dependable protection, and straightforward integration with Siemens panels. It’s especially well-suited for projects where OEM fit and trip stability are critical for ongoing safety and performance.\u003c\/p\u003e \u003ch3\u003ePractical guidance and insights\u003c\/h3\u003e\n\u003cp\u003eWhen selecting this breaker, confirm it matches your panel’s model and installation footprint to ensure proper mounting and trip coordination. The thermal-magnetic mechanism provides quick response to fault conditions while minimizing unnecessary trips during normal load fluctuations. For ongoing reliability, pair this breaker with other Siemens components designed for unified performance within the same panel family.\u003c\/p\u003e \u003cp\u003eIn short, the \u003cstrong\u003eSiemens 3RV2021-1FA10\u003c\/strong\u003e delivers compact, dependable branch circuit protection with OEM-ready compatibility, making it a focused, practical choice for protecting electrical systems in homes, businesses, and light industrial settings.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Amp State","offers":[{"title":"Default Title","offer_id":46349742538914,"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_40b82fbf-c8f1-487c-baa3-fbf4e7b0b3d3.png?v=1764155683","url":"https:\/\/www.ampstate.com\/products\/siemens-3rv2021-1fa10-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}