{"product_id":"siemens-hed43b045l-circuit-breaker","title":"Siemens | HED43B045L | Circuit Breaker | 3-Pole | 480V","description":"\u003cdiv\u003e\n\u003cp\u003eMeet the Siemens HED43B045L circuit breaker—a precise, 3-pole solution designed for demanding 480V three-phase systems. Built for maintenance, retrofit, and replacement projects, this official Siemens part brings trusted protection and dependable performance to your electrical distribution setup.\u003c\/p\u003e \u003ch2\u003eWhy choose the Siemens HED43B045L 3-Pole 480V Circuit Breaker\u003c\/h2\u003e \u003cp\u003eSpecialized for compatibility and reliability, the HED43B045L is engineered to fit into systems that require exact specifications. Its 3-pole design ensures balanced protection across all three phases, helping prevent electrical faults from cascading through your equipment and infrastructure. When you need a substitute that truly matches your existing panel and wiring, this is the part to rely on.\u003c\/p\u003e \u003ch3\u003eKey features and benefits\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003e3-Pole configuration\u003c\/strong\u003e provides comprehensive protection for three-phase circuits, reducing the risk of phase imbalances and equipment damage.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003e480V rating\u003c\/strong\u003e meets the demands of industrial and commercial power distribution, ensuring compatibility with standard 480V systems.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eOfficial Siemens part\u003c\/strong\u003e with proven compatibility for Siemens panels and distribution gear, lowering the chance of fitment issues.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eBest reference for compatibility\u003c\/strong\u003e — when sourcing a replacement, the part number HED43B045L is your most reliable identifier for matching specs and busbar connections.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eMaintenance, retrofit, and replacement ready\u003c\/strong\u003e— ideal for upgrading legacy setups, refreshing panels, or swapping out failed breakers without guesswork.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eIdeal use scenarios\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eUpgrading or replacing aging breakers in 3-phase industrial equipment and control panels.\u003c\/li\u003e \u003cli\u003eRetrofit projects where exact Siemens specifications are required to maintain system protection profiles.\u003c\/li\u003e \u003cli\u003eMaintenance outages where quick, compatible replacements minimize downtime and keep operations running smoothly.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003ePractical considerations for installation\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eAlways confirm fit and ratings before ordering to ensure seamless integration with your panel and wiring.\u003c\/li\u003e \u003cli\u003eUse the part number HED43B045L as the primary reference to verify compatibility and prevent selection errors.\u003c\/li\u003e \u003cli\u003eEnsure your system is a 480V three-phase configuration to capitalize on the full performance of this breaker.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eFor reliable protection with industry-standard compatibility, the Siemens HED43B045L 3-Pole 480V circuit breaker is a focused, no-surprise choice. It delivers the essential combination of exacting specifications and practical, real-world use cases that professionals rely on for maintenance, retrofit, and replacement projects.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Siemens","offers":[{"title":"Default Title","offer_id":46424722243746,"sku":"HED43B045L","price":2347.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/siemens-hed43b045l-circuit-breaker-3-pole-480v-288.webp?v=1789407985","url":"https:\/\/www.ampstate.com\/products\/siemens-hed43b045l-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}