{"product_id":"siemens-heb3b045l-circuit-breaker","title":"Siemens | HEB3B045L | Circuit Breaker | 45A | 3-Pole | 240V","description":"\u003cdiv\u003e\n\u003cp\u003eMeet the Siemens HEB3B045L—the dependable, three-pole circuit breaker designed for serious 240V, 45A protection. Built to complement Siemens panels and compatible electrical setups, this breaker is the reliable choice for maintenance, retrofit, or replacement projects that demand exact specs and durable performance.\u003c\/p\u003e \u003ch3\u003eKey specifications\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eAmperage: 45 A\u003c\/li\u003e \u003cli\u003ePoles: 3-Pole\u003c\/li\u003e \u003cli\u003eVoltage: 240 V\u003c\/li\u003e \u003cli\u003eReference part number: HEB3B045L\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eWhy this Siemens breaker stands out\u003c\/h3\u003e\n\u003cp\u003eUnlike generic substitutes, the HEB3B045L is engineered to align with Siemens electrical systems, delivering precise trip characteristics and cohesive operation within your panel. Its 3-pole design makes it ideal for protecting 3-phase equipment and large 240V circuits, reducing risk to motors, pumps, and other industrial loads. The exact part reference simplifies compatibility checks and minimizes installation guesswork, helping you avoid mismatched components and extended downtime.\u003c\/p\u003e \u003ch3\u003eIdeal use cases\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eProtect 3-phase motors and industrial equipment in commercial or light industrial environments\u003c\/li\u003e \u003cli\u003eRetrofit aging panels or replace a failing breaker with a direct, same-rating replacement\u003c\/li\u003e \u003cli\u003eUpgrade or maintain 240V circuits in HVAC systems, conveyors, pumps, and other high-demand loads\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eInstallation and compatibility tips\u003c\/h3\u003e\n\u003cp\u003eBefore ordering, verify fit and ratings directly against your panel’s labeling. The HEB3B045L is presented as a best-reference part number for compatibility, ensuring you’re selecting a breaker that mates correctly with the bus and mounting arrangement. If you’re refreshing a panel, rely on the exact designation to streamline ordering and installation, and consult your electrical code requirements to confirm proper protection for your specific load and environment.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Siemens","offers":[{"title":"Default Title","offer_id":46427080523938,"sku":"HEB3B045L","price":510.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/siemens-heb3b045l-circuit-breaker-45a-3-pole-240v-395.webp?v=1789669904","url":"https:\/\/www.ampstate.com\/products\/siemens-heb3b045l-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}