{"product_id":"siemens-3rv2021-1da10-circuit-breaker","title":"Siemens 3RV2021-1DA10 - Circuit Breaker | AmpState","description":"\u003cdiv\u003e\n\u003cp\u003eSiemens 3RV2021-1DA10 molded case circuit breaker delivers reliable branch circuit overcurrent and short-circuit protection for panelboards and loadcenters. Engineered for residential, commercial, and light industrial environments, this device combines space efficiency with dependable protection in a compact, molded case design.\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eCompact molded case design\u003c\/strong\u003e: Optimizes panel space and simplifies installation in tight service panels.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eThermal-magnetic trip unit\u003c\/strong\u003e: Delivers stable, repeatable protection by responding to both overload and short-circuit conditions.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eOEM-compatible\u003c\/strong\u003e: Designed to pair with matching Siemens loadcenters and panelboards for straightforward replacement and coordinated protection.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVersatile application\u003c\/strong\u003e: Suitable for a wide range of settings—from home electrical panels to light commercial and light industrial circuits.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eKey use cases and scenarios\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eReplacing aging or non-Siemens breakers in existing Siemens-compatible panels to restore reliable protection and consistent trip characteristics.\u003c\/li\u003e \u003cli\u003eExpanding or upgrading a panelboard or loadcenter where a compact, space-saving breaker helps maximize available space.\u003c\/li\u003e \u003cli\u003eProtecting branch circuits that feed lighting, receptacles, small machinery, or HVAC-related loads in residential or small-scale commercial applications.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eWhy choose the 3RV2021-1DA10\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eConsolidates protection and space efficiency in a single molded case device, reducing panel depth requirements while maintaining robust protection.\u003c\/li\u003e \u003cli\u003eThermal-magnetic technology provides quick response to short circuits and reliable overload protection, contributing to safer, more predictable operation.\u003c\/li\u003e \u003cli\u003eSiemens compatibility means simpler sourcing, stocking, and on-site replacements within Siemens systems.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\u003cstrong\u003eTechnical snapshot\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eManufacturer: Siemens\u003c\/li\u003e \u003cli\u003ePart Number: 3RV2021-1DA10\u003c\/li\u003e \u003cli\u003eType: Thermal-magnetic molded case circuit breaker\u003c\/li\u003e \u003cli\u003eApplication: 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":46349742473378,"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_9a65cf9b-f2b0-4db4-b23d-66f1c3428ff4.png?v=1764155680","url":"https:\/\/www.ampstate.com\/products\/siemens-3rv2021-1da10-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}