{"product_id":"siemens-ef2b045l-circuit-breaker","title":"Siemens | EF2B045L | Circuit Breaker | 45A | 2-Pole | 600V","description":"\u003cdiv\u003e\n\u003cp\u003eThe Siemens EF2B045L Circuit Breaker is a precise, ready-to-install protection device designed for demanding electrical systems. With a 45A current rating, a 2-pole configuration, and a 600V maximum, it’s built to handle the needs of maintenance, retrofit, and replacement projects where exact specifications matter.\u003c\/p\u003e \u003cp\u003eWhy choose EF2B045L? Because when you’re upgrading or maintaining Siemens-based electrical setups, using the exact part number EF2B045L ensures compatibility and reliable performance. This breaker is purpose-built to align with Siemens panels and assemblies, reducing the risk of mismatches and unexpected downtime.\u003c\/p\u003e \u003ch3\u003eKey specifications\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eAmperage:\u003c\/strong\u003e 45A\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePoles:\u003c\/strong\u003e 2-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 EF2B045L\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eIdeal use cases\u003c\/h3\u003e\n\u003cp\u003ePerfect for replacing worn or failed breakers in Siemens panels, for retrofit projects that require upgrading to a 45A two-pole, 600V device, or for routine maintenance where exact spec matching is essential to preserve system protection and warranty compliance.\u003c\/p\u003e \u003ch3\u003eWhat problems it solves\u003c\/h3\u003e\n\u003cp\u003eBy delivering an exact rating and configuration, the EF2B045L minimizes compatibility risks, ensures proper protection for dual-leg circuits, and helps keep electrical systems running smoothly without unnecessary trips or reworks.\u003c\/p\u003e \u003ch3\u003eInstallation and compatibility tips\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eBefore ordering, verify the fit with your specific panel model and confirm the 45A, 2-Pole, 600V requirements match the circuit you’re protecting. The EF2B045L is the best reference for compatibility.\u003c\/li\u003e \u003cli\u003eConsult your panel labeling or Siemens documentation to confirm the correct ratings for your application.\u003c\/li\u003e \u003cli\u003eEnsure power is fully de-energized and follow all safety protocols during replacement. If in doubt, work with a licensed electrician.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eWhy it stands out\u003c\/h3\u003e\n\u003cp\u003eUnlike generic replacements, the EF2B045L is a Siemens-designed solution tailored to Siemens equipment, delivering dependable performance within specified parameters. This makes it an ideal choice for professional installations where precise compatibility and reliable protection are non-negotiable.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Siemens","offers":[{"title":"Default Title","offer_id":46427523711138,"sku":"EF2B045L","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-ef2b045l-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}