{"product_id":"siemens-3rv2021-1ka10-circuit-breaker","title":"Siemens 3RV2021-1KA10 - Circuit Breaker | AmpState","description":"\u003cdiv\u003e\n\u003cp\u003eMeet the Siemens \u003cstrong\u003e3RV2021-1KA10\u003c\/strong\u003e molded case circuit breaker—a dependable, space-smart solution for protecting branch circuits in panelboards and loadcenters. Designed for residential, commercial, and light industrial environments, this unit combines a compact footprint with precise protection to keep electrical systems running smoothly.\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eCompact molded case design\u003c\/strong\u003e maximizes panel space, helping you fit more circuits into smaller enclosures without sacrificing protection.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eThermal-magnetic trip unit\u003c\/strong\u003e delivers stable, repeatable protection performance against overloads and short-circuit events, reducing nuisance trips and improving reliability.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eOEM-compatible integration\u003c\/strong\u003e engineered to work with matching Siemens loadcenters and panelboards for straightforward replacement and dependable coordination.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVersatile installation\u003c\/strong\u003e suitable for residential, commercial, and light industrial applications, making it a versatile choice for mixed-use environments.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eWhy this matters: a compact design that doesn’t compromise safety, paired with a thermal-magnetic trip mechanism that reacts quickly to faults while minimizing unnecessary interruptions. This ensures you maintain power where it counts—lighting, outlets, and critical equipment—without frequent breaker trips or space constraints dictating your panel setup.\u003c\/p\u003e \u003ch3\u003eTechnical snapshot\u003c\/h3\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 3RV2021-1KA10\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 \u003cp\u003eThis breaker is an ideal choice when you need reliable, coordinated protection within Siemens panelboards and loadcenters. Whether you’re upgrading a retrofit, stocking a service van with a proven replacement, or standardizing equipment across multiple sites, the 3RV2021-1KA10 delivers consistent performance and a straightforward installation path.\u003c\/p\u003e \u003cp\u003eChoose the Siemens 3RV2021-1KA10 for a proven combination of compact design, precise protection, and OEM alignment that keeps your electrical system safe and scalable. Available from AmpState for customers who value quality, compatibility, and practical, real-world protection.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Amp State","offers":[{"title":"Default Title","offer_id":46349742801058,"sku":null,"price":710.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/siemens-3rv2021-1ka10-circuit-breaker-ampstate-breakers-479.webp?v=1788719654","url":"https:\/\/www.ampstate.com\/products\/siemens-3rv2021-1ka10-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}