{"product_id":"siemens-hmx3b800l-800a-3-pole-circuit-breaker","title":"Siemens HMX3B800L - 800 A, 3-Pole Circuit Breaker | AmpState","description":"\u003cdiv\u003e\n\u003cp\u003eSiemens HMX3B800L is an 800A, 3-pole molded case circuit breaker engineered for reliable branch-circuit overcurrent and short-circuit protection in panelboards and loadcenters. Built to withstand demanding environments, this unit is suited for residential, commercial, and light industrial applications where dependable protection matters most.\u003c\/p\u003e \u003ch3\u003eKey advantages that matter in real-world setups\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eCompact molded case design\u003c\/strong\u003e maximizes panel space and simplifies installation, helping you fit essential protection without crowding the enclosure.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eThermal-magnetic trip unit\u003c\/strong\u003e delivers stable, repeatable protection performance, responding to both sustained overcurrents and short circuits to safeguard conductors and equipment.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eThree-pole configuration\u003c\/strong\u003e ideal for three-phase systems, providing coordinated protection across all phases.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eOEM-ready compatibility\u003c\/strong\u003e designed to pair with matching Siemens loadcenters and panelboards for seamless integration and reliable operation.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eHigh-amperage capability\u003c\/strong\u003e 800A rating is suitable for main feeders or large subfeed circuits in modern distribution panels.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eWhere and how you’ll use it\u003c\/h3\u003e\n\u003cp\u003eInstall the Siemens HMX3B800L in main service panels, subpanels, or distribution panels where a robust 800A, 3-pole breaker is required. Its compact form and dependable protection make it a practical choice for projects that demand space efficiency without sacrificing safety or performance.\u003c\/p\u003e \u003ch3\u003eTechnical snapshot\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eManufacturer: Siemens\u003c\/li\u003e \u003cli\u003ePart number: HMX3B800L\u003c\/li\u003e \u003cli\u003eType: Thermal-magnetic molded case circuit breaker\u003c\/li\u003e \u003cli\u003eAmperage rating: 800A\u003c\/li\u003e \u003cli\u003eNumber of poles: 3\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":46349812400290,"sku":null,"price":710.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/siemens-hmx3b800l-800-a-3-pole-circuit-breaker-ampstate-breakers-295.webp?v=1788731762","url":"https:\/\/www.ampstate.com\/products\/siemens-hmx3b800l-800a-3-pole-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}