{"product_id":"siemens-ef3b110-circuit-breaker","title":"Siemens | EF3B110 | Circuit Breaker | 3-Pole","description":"\u003cdiv\u003e\n\u003cp\u003eProtect your three-phase power with the Siemens EF3B110 Circuit Breaker, a robust 3-pole protection device designed for maintenance, retrofit, and replacement tasks. Built to integrate smoothly with compatible Siemens panels, this breaker helps keep the entire three-phase system safe, balanced, and ready for operation.\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eKey benefits\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003ePoles:\u003c\/strong\u003e 3-Pole — ideal for three-phase circuits that require coordinated protection across all phases.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePart number:\u003c\/strong\u003e EF3B110 — the most reliable reference for compatibility and proper fit.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eFit and ratings:\u003c\/strong\u003e Confirm fit and ratings before ordering to ensure correct protection and electrical compatibility with your panel.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eApplications:\u003c\/strong\u003e Suited for maintenance, retrofit, and replacement needs in Siemens-compatible panels and systems.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eWhy this matters in real use: using the exact EF3B110 part number ensures you get the right mechanical fit, electrical characteristics, and trip behavior for your Siemens equipment. That precision minimizes downtime, preserves panel labeling and coordination, and simplifies maintenance planning.\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eIdeal use scenarios\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eReplacing worn or failed breakers in existing Siemens panels during routine service.\u003c\/li\u003e \u003cli\u003eRetrofits where upgrading to a precise 3-pole Siemens solution is required for proper three-phase protection.\u003c\/li\u003e \u003cli\u003eMaintenance projects in facilities with three-phase electrical infrastructure that demand reliable, manufacturer-matched components.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eCompatibility note: The EF3B110 part number is your best reference when assessing whether this breaker fits your panel. Before purchasing, compare your panel’s form factor and any rating specifications to ensure seamless integration and continued electrical safety.\u003c\/p\u003e \u003cp\u003eChoose the Siemens EF3B110 3-Pole Circuit Breaker for a trusted, plug-ready solution that delivers dependable three-phase protection, straightforward retrofits, and long-term reliability in your electrical system.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Siemens","offers":[{"title":"Default Title","offer_id":46427504738466,"sku":"EF3B110","price":510.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/siemens-ef3b110-circuit-breaker-3-pole-843.webp?v=1789733422","url":"https:\/\/www.ampstate.com\/products\/siemens-ef3b110-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}