{"product_id":"siemens-3rv2021-1ea10-52a-circuit-breaker","title":"Siemens 3RV2021-1EA10 - 52 A Circuit Breaker | AmpState","description":"\u003cdiv\u003e\n\u003cp\u003e\u003cstrong\u003eSiemens 3RV2021-1EA10\u003c\/strong\u003e is a 52 A molded case circuit breaker engineered to protect branch circuits from overcurrent and short circuits in panelboards and load centers. Stocked by AmpState, this reliable device fits seamlessly into Siemens-based electrical systems, delivering trusted protection where it matters most.\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eSpace-saving molded case design\u003c\/strong\u003e minimizes panel footprint and helps you maximize the usable space in crowded panels.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eThermal-magnetic trip unit\u003c\/strong\u003e provides stable, repeatable protection: the thermal element guards against sustained overloads, while the magnetic element responds instantly to high fault currents, reducing nuisance trips and improving reliability.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eDirect compatibility with matching OEM panels\u003c\/strong\u003e and panelboards, making it a dependable swap for Siemens installations without the guesswork.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVersatile for residential, commercial, and light industrial applications\u003c\/strong\u003e — ideal for protecting lighting circuits, receptacle banks, small motors, pumps, and HVAC equipment inside appropriate panel systems.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\u003cstrong\u003eTechnical snapshot\u003c\/strong\u003e:\n- Manufacturer: Siemens\n- Part Number: 3RV2021-1EA10\n- Amperage Rating: 52 A\n- Type: Thermal-magnetic molded case circuit breaker\n- Application: Branch circuit overcurrent and short-circuit protection\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eUse cases and practical benefits\u003c\/strong\u003e — Whether you’re upgrading an aging panel, expanding a system, or replacing a failed breaker, this 52 A Siemens unit offers predictable performance and quick fault isolation. The compact form factor helps you fit more circuits in smaller panels, while the OEM-aligned design ensures compatibility with existing Siemens load centers and panelboards. For electricians and facility managers, this breaker provides a straightforward, reliable solution that supports ongoing safety and system efficiency.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Amp State","offers":[{"title":"Default Title","offer_id":46349742506146,"sku":null,"price":710.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/siemens-3rv2021-1ea10-52-a-circuit-breaker-ampstate-breakers-202.webp?v=1788719610","url":"https:\/\/www.ampstate.com\/products\/siemens-3rv2021-1ea10-52a-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}