{"product_id":"siemens-hnx3b800l-800a-3-pole-circuit-breaker","title":"Siemens HNX3B800L - 800 A, 3-Pole Circuit Breaker | AmpState","description":"\u003cdiv\u003e\n\u003cp\u003eEngineered for dependable protection in demanding electrical setups, the Siemens HNX3B800L is an 800A, 3-pole molded case circuit breaker designed to guard branch circuits against overloads and short circuits in panelboards and loadcenters.\u003c\/p\u003e \u003ch2\u003eKey benefits and features\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eSpace-efficient design\u003c\/strong\u003e: a compact molded case format that maximizes usable panel space without compromising performance.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eThermal-magnetic trip unit\u003c\/strong\u003e: provides stable, repeatable protection by marrying thermal overload sensing with fast magnetic tripping for short circuits.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eRugged reliability\u003c\/strong\u003e: built to endure in residential, commercial, and light industrial environments with consistent trip characteristics.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eSeamless compatibility\u003c\/strong\u003e: engineered to be compatible with matching Siemens OEM load centers and panelboards for straightforward upgrades and replacements.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eHigh current capability\u003c\/strong\u003e: 800A rating makes it suitable for large feeder protection and demanding branch circuits.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eWhat this means in practice\u003c\/h3\u003e\n\u003cp\u003eUse the Siemens HNX3B800L as the main protection device in a panelboard or loadcenter where a single 3-pole MCCB must guard a three-phase circuit at up to 800A. Its compact footprint helps you fit it into crowded electrical rooms or limited cabinet spaces, while the thermal-magnetic trip keeps nuisance trips low and protection precise during both steady overloads and sudden faults.\u003c\/p\u003e \u003ch3\u003eApplications and use cases\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eThree-phase commercial lighting and power distribution panels that require reliable 800A protection\u003c\/li\u003e \u003cli\u003eIndustrial equipment feeders and machinery panels needing robust short-circuit protection\u003c\/li\u003e \u003cli\u003eUpgrades or replacements in Siemens OEM panels where exact-fit MCCBs ensure compatibility and continuity\u003c\/li\u003e \u003cli\u003eResidential-to-light-industrial installations with demanding load profiles where space is at a premium\u003c\/li\u003e\n\u003c\/ul\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 HNX3B800L\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e Thermal-magnetic molded case circuit breaker\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eAmperage rating:\u003c\/strong\u003e 800A\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePoles:\u003c\/strong\u003e 3\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\u003eChoosing the Siemens HNX3B800L means prioritizing dependable protection, panel space efficiency, and straightforward integration with existing Siemens panel ecosystems. If you’re upgrading a panelboard or load center that demands reliable 3-pole, 800-amp protection, this MCCB delivers a precise, durable solution that electricians trust for long-term performance.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Amp State","offers":[{"title":"Default Title","offer_id":46349812727970,"sku":null,"price":710.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/siemens-hnx3b800l-800-a-3-pole-circuit-breaker-ampstate-breakers-501.webp?v=1788731914","url":"https:\/\/www.ampstate.com\/products\/siemens-hnx3b800l-800a-3-pole-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}