{"product_id":"siemens-he43m045","title":"Siemens HE43M045 45A 3-Pole 480 V Circuit Breaker","description":"\u003cdiv\u003e\n\u003cp\u003eMeet the Siemens \u003cstrong\u003eHE43M045\u003c\/strong\u003e — a rugged 3-pole circuit breaker built to safeguard three-phase power at \u003cstrong\u003e480 V\u003c\/strong\u003e. With a \u003cstrong\u003e45 A\u003c\/strong\u003e current rating, this device delivers reliable overcurrent protection for higher‑demand loads while ensuring seamless compatibility with Siemens panels and enclosures.\u003c\/p\u003e \u003ch3\u003eWhy choose the HE43M045 for your three-phase system\u003c\/h3\u003e\n\u003cp\u003eThree-phase networks require precise protection to prevent motor damage, wiring overheating, and unexpected downtime. The HE43M045 is engineered to interrupt fault currents quickly and cleanly, helping protect critical equipment such as motors, conveyors, pumps, and HVAC drives. Its Siemens pedigree means you’ll benefit from proven reliability, consistent trip characteristics, and a fit‑for‑purpose design that aligns with your existing Siemens electrical infrastructure.\u003c\/p\u003e \u003ch3\u003eKey specifications\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eCurrent rating:\u003c\/strong\u003e 45 A\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePoles:\u003c\/strong\u003e 3\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVoltage rating:\u003c\/strong\u003e 480 V\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePart number:\u003c\/strong\u003e HE43M045\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eIdeal use cases\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eProtection for three-phase motor circuits in manufacturing lines, processing plants, and industrial facilities\u003c\/li\u003e \u003cli\u003ePower distribution in commercial or light industrial environments that utilize 480 V three-phase networks\u003c\/li\u003e \u003cli\u003eReplacement or upgrade in Siemens panel systems to maintain consistent protection characteristics\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eInstallation and compatibility\u003c\/h3\u003e\n\u003cp\u003eDesigned to integrate with compatible Siemens panels and enclosures, the HE43M045 offers straightforward replacement for existing 3-pole breakers. When installing, verify that your panel is rated for 480 V three-phase operation and follow Siemens installation guidelines for wiring, clearance, and maintenance access to ensure a safe, reliable trip function.\u003c\/p\u003e \u003ch3\u003eDurability and reliability\u003c\/h3\u003e\n\u003cp\u003eBuilt for demanding industrial environments, this 45 A, 3-pole 480 V circuit breaker emphasizes durability and long-term protection. It’s designed to minimize nuisance trips and provide dependable performance in daily operation, giving you peace of mind in challenging electrical settings.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Siemens","offers":[{"title":"Default Title","offer_id":46423588372642,"sku":"HE43M045","price":510.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/master_generic_229276d9-908d-46df-93e5-6fe31866e0ff.png?v=1765492975","url":"https:\/\/www.ampstate.com\/products\/siemens-he43m045","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}