{"product_id":"siemens-he3b045l-circuit-breaker","title":"Siemens | HE3B045L | Circuit Breaker | 45A | 3-Pole | 600V","description":"\u003cdiv\u003eSiemens HE3B045L Circuit Breaker delivers reliable three-pole protection with a 45A rating and a 600V maximum, making it a practical choice for maintenance, retrofit, and replacement projects where exact specifications are required. This unit is designed to align with the performance and compatibility expectations of Siemens electrical systems, helping you keep panels and distribution circuits protected without guesswork. \u003cstrong\u003eKey specifications at a glance\u003c\/strong\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eAmperage:\u003c\/strong\u003e 45A\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePoles:\u003c\/strong\u003e 3-Pole\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVoltage rating:\u003c\/strong\u003e 600V\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePart number:\u003c\/strong\u003e HE3B045L\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eIdeal use cases:\u003c\/strong\u003e maintenance, retrofit, and replacement where matching specs are required\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eCompatibility note:\u003c\/strong\u003e Confirm fit and ratings before ordering; part number HE3B045L is the best reference for compatibility\u003c\/li\u003e\n\u003c\/ul\u003e This circuit breaker is purpose-built for scenarios where precise electrical protection matters. Its 3-pole configuration protects all three phases, making it suitable for 3-phase distribution panels and equipment common in commercial and industrial environments. The 45A rating provides strong protection for medium-load circuits, helping prevent damage from overloads while allowing for smooth system operation in everyday use. \u003cstrong\u003eWhy choose the HE3B045L for your project\u003c\/strong\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eExact fit for Siemens systems:\u003c\/strong\u003e Designed to meet Siemens specifications, reducing the guesswork when you’re refreshing or expanding existing installations.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eClear path to compliance:\u003c\/strong\u003e The 600V rating supports typical industrial and commercial circuits, ensuring compatibility with standard electrical infrastructure.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePractical retrofit and replacement:\u003c\/strong\u003e When a replacement is needed, using the exact part number HE3B045L simplifies procurement and ensures consistent performance.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cstrong\u003eUse cases and scenarios\u003c\/strong\u003e\n\u003cul\u003e \u003cli\u003eUpgrading or replacing aging breakers in 3-phase Siemens panels used in manufacturing, packaging, or HVAC facilities.\u003c\/li\u003e \u003cli\u003eMaintenance planning for electrical rooms where coordinated protection across three hot legs is required.\u003c\/li\u003e \u003cli\u003eRetrofits that require maintaining the original circuit protection characteristics while updating panel components.\u003c\/li\u003e\n\u003c\/ul\u003e To ensure \u003cem\u003ethe right fit\u003c\/em\u003e, verify the panel’s label and existing breakers align with the 3-Pole, 45A, 600V specifications, then reference the part number HE3B045L as your compatibility anchor. With this Siemens circuit breaker in place, you’re choosing a dependable, purpose-driven solution designed to keep your power distribution safe and running smoothly.\u003c\/div\u003e","brand":"Siemens","offers":[{"title":"Default Title","offer_id":46427518664866,"sku":"HE3B045L","price":510.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/master_generic_ad06fdd7-931c-4a09-bfbe-d05329579cd6.png?v=1765492978","url":"https:\/\/www.ampstate.com\/products\/siemens-he3b045l-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}