{"product_id":"siemens-3rv2021-1ha10-104a-circuit-breaker","title":"Siemens 3RV2021-1HA10 - 104 A Circuit Breaker | AmpState","description":"\u003cdiv\u003e\n\u003cp\u003eThe Siemens 3RV2021-1HA10 is a 104 A molded case circuit breaker engineered to deliver dependable branch circuit overcurrent and short-circuit protection in panelboards and load centers. With a compact form factor and precise protection logic, it keeps electrical systems safe while maximizing panel space.\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eCompact molded case design\u003c\/strong\u003e: Optimizes panel real estate, leaving room for neat wiring and easier future upgrades.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eThermal-magnetic trip unit\u003c\/strong\u003e: Delivers stable, repeatable protection by combining thermal overload sensing with magnetic instantaneous trip for fast response to short circuits.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eAmperage rating of 104 A\u003c\/strong\u003e: Well-suited for high-load branch circuits, such as motors, pumps, and heavy lighting in residential subpanels or light commercial applications.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eOEM panelboard compatibility\u003c\/strong\u003e: Designed to fit and function with matching Siemens OEM load centers and panelboards, ensuring proper bus alignment and reliable operation.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVersatile, real-world applications\u003c\/strong\u003e: Ideal for residential, commercial, and light industrial environments where durable, predictable protection is essential.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eReliability in everyday duty\u003c\/strong\u003e: The dual-path protection minimizes nuisance trips while safeguarding wires, devices, and connected equipment over the long term.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eThis 3RV2021-1HA10 model from Siemens provides a practical balance of protection and space efficiency, making it a smart choice when upgrading or expanding panelboards. It’s the go-to option for electricians and facility managers who need a dependable, compatible 104 A circuit breaker that couples with existing Siemens load centers for straightforward installation and consistent performance.\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eKey details\u003c\/strong\u003e: Siemens, Part Number 3RV2021-1HA10, Type: Thermal-magnetic molded case circuit breaker, Amperage Rating: 104A, Application: Branch circuit overcurrent and short-circuit protection.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Amp State","offers":[{"title":"Default Title","offer_id":46349742735522,"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_b2a389ae-7485-4346-a6f0-87e727a1b671.png?v=1764155687","url":"https:\/\/www.ampstate.com\/products\/siemens-3rv2021-1ha10-104a-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}