{"product_id":"siemens-hng3b120l-1200a-3-pole-circuit-breaker","title":"Siemens HNG3B120L - 1200 A, 3-Pole Circuit Breaker | AmpState","description":"\u003cdiv\u003e\n\u003cp\u003eThe Siemens HNG3B120L is a 1200A, 3-pole molded‑case circuit breaker designed to shield your electrical systems from overcurrent and short circuits. Built to slot into Siemens OEM panelboards and loadcenters, this unit delivers dependable protection where space is at a premium and reliability matters most—from residential feeders to light commercial and industrial applications.\u003c\/p\u003e \u003ch2\u003eWhy the HNG3B120L stands out\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eCompact molded‑case design\u003c\/strong\u003e maximizes panel space, making it easier to fit high‑amperage protection without crowding adjacent breakers.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eThermal‑magnetic trip unit\u003c\/strong\u003e provides stable, repeatable protection across a range of temperatures and loads, reducing nuisance trips and enabling precise coordination with other protection devices.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eOEM‑quality compatibility\u003c\/strong\u003e engineered to integrate seamlessly with matching Siemens loadcenters and panelboards, ensuring consistent trip characteristics and simplified maintenance.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eHigh‑capacity protection\u003c\/strong\u003e tailored for demanding branch circuits, enabling safe distribution of heavy loads in both new installations and service upgrades.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eTechnical details at a glance\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eAmperage rating:\u003c\/strong\u003e 1200A\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePoles:\u003c\/strong\u003e 3\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e Thermal‑magnetic molded case circuit breaker\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eApplications:\u003c\/strong\u003e Branch circuit overcurrent and short‑circuit protection\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eCompatibility:\u003c\/strong\u003e Matches Siemens OEM panelboards and loadcenters\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch2\u003eIdeal use cases\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003eResidential service panels requiring robust, space‑efficient protection for high‑draw circuits (e.g., HVAC, electric vehicle charging, large appliances).\u003c\/li\u003e \u003cli\u003eCommercial panels with multiple heavy‑duty feeders where reliable interruption protection is essential for safety and uptime.\u003c\/li\u003e \u003cli\u003eLight industrial installations that demand dependable short‑circuit protection with equipment‑friendly trip characteristics.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch2\u003eHow it benefits you\u003c\/h2\u003e\n\u003cp\u003eWith the HNG3B120L, you gain predictable protection that helps prevent damage to wiring, transformers, and connected equipment. The thermal‑magnetic design means trips occur at precise current thresholds, reducing the risk of nuisance trips while delivering quick response during fault conditions. Because it’s built to work with Siemens panel systems, you’ll experience coordinated protection and straightforward installation—saving time during both setup and future maintenance.\u003c\/p\u003e \u003ch2\u003eChoosing the right protection, wisely\u003c\/h2\u003e\n\u003cp\u003eWhen upgrading or configuring a Siemens panel, the HNG3B120L is the practical choice for high‑amperage needs in a 3‑pole format. It’s especially well suited for panels where space is limited but load demands are substantial, ensuring you don’t compromise on safety or reliability.\u003c\/p\u003e \u003ch2\u003eTips for installation and optimization\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003eVerify panel compatibility with the HNG3B120L to guarantee coordinated protection and proper fit.\u003c\/li\u003e \u003cli\u003ePlan feeder sizing and cable routing around the 1200A capacity to maximize performance and safety margins.\u003c\/li\u003e \u003cli\u003eFollow Siemens installation guidelines for mounting orientation and electrical connections to maintain trip accuracy and longevity.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Amp State","offers":[{"title":"Default Title","offer_id":46349812629666,"sku":null,"price":710.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/siemens-hng3b120l-1200-a-3-pole-circuit-breaker-ampstate-breakers-930.webp?v=1788731857","url":"https:\/\/www.ampstate.com\/products\/siemens-hng3b120l-1200a-3-pole-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}