{"product_id":"siemens-hed43b110-110a-3p-480v-circuit-breaker","title":"Siemens HED43B110 110A 3P 480V Circuit Breaker | AmpState","description":"\u003cdiv\u003e\n\u003cp\u003eMeet the Siemens \u003cstrong\u003eHED43B110\u003c\/strong\u003e 110A 3P 480V Circuit Breaker — a purpose-built, OEM-grade protection device designed to slot into Siemens panelboards, load centers, and electrical distribution systems with precision. If you’re performing a replacement project or stocking spares, this part keeps your BOM aligned to the original specification while delivering dependable overcurrent protection for three-phase 480V circuits.\u003c\/p\u003e \u003cp\u003eDesigned for authentic performance in demanding environments, the HED43B110 provides robust protection across your 3-pole 480V installations. Its Siemens-engineered design ensures the physical fit, mounting, and electrical characteristics align with the original equipment, helping maintain system reliability and protection coordination.\u003c\/p\u003e \u003ch3\u003eSpecifications at a glance\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 HED43B110\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eAmperage:\u003c\/strong\u003e 110 A\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePoles:\u003c\/strong\u003e 3\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVoltage:\u003c\/strong\u003e 480V\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e Circuit Breaker\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eApplication:\u003c\/strong\u003e Panelboards, Load Centers, Electrical Distribution\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eAvailability:\u003c\/strong\u003e AmpState\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eWhy choose this breaker for your project\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eAuthentic Siemens part ensures exact fit and original protection characteristics in 480V three-phase systems.\u003c\/li\u003e \u003cli\u003eIdeal for replacement work where BOM alignment with the original part number matters, reducing installation guesswork and compatibility risk.\u003c\/li\u003e \u003cli\u003eStocking this 110 A, 3-pole device minimizes downtime during maintenance or upgrades by keeping critical electrical feeds protected without waiting for OEM-specific parts.\u003c\/li\u003e \u003cli\u003eClear, verifiable part reference (HED43B110) simplifies procurement and maintenance records for facilities managers and electricians.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eUse cases and practical applications\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eReplacing a failed or degraded circuit breaker in Siemens panelboards or compatible distribution equipment on 480V three-phase systems.\u003c\/li\u003e \u003cli\u003eUpgrading or standardizing spare parts to maintain BOM consistency across multiple panels or facilities.\u003c\/li\u003e \u003cli\u003eMaintaining reliable protection for essential feeders in manufacturing lines, data centers, or commercial electrical distributions where 3P 480V service is standard.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eNeed help with compatibility?\u003c\/h3\u003e\n\u003cp\u003eNeed help matching a part number or confirming compatibility with your equipment? Message us and we’ll help you confirm fit.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"AmpState","offers":[{"title":"Default Title","offer_id":46410989076642,"sku":"HED43B110","price":4308.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/siemens-hed43b110-110a-3p-480v-circuit-breaker-ampstate-breakers-358.webp?v=1789000999","url":"https:\/\/www.ampstate.com\/products\/siemens-hed43b110-110a-3p-480v-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}