{"product_id":"siemens-ef3a030-circuit-breaker","title":"Siemens | EF3A030 | Circuit Breaker | 3-Pole","description":"\u003cdiv\u003e\n\u003cp\u003eThe Siemens EF3A030 3-Pole Circuit Breaker is a purpose-built protective device designed for reliable performance in 3-phase electrical systems. Identified by part number EF3A030, this breaker is ideal for maintenance, retrofit, and replacement projects where exact compatibility with Siemens equipment matters most.\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eExact part reference\u003c\/strong\u003e: EF3A030 is the best reference for compatibility, helping you avoid mismatches in panel design and wiring schemes.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eThree-pole protection\u003c\/strong\u003e: Designed for 3-phase systems, delivering coordinated protection across all three conductors in your Siemens installation.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVersatile用途\u003c\/strong\u003e: Suitable for maintenance, retrofit, and replacement tasks in commercial or industrial environments where Siemens panels are used.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eFit and ratings awareness\u003c\/strong\u003e: Before ordering, confirm the fit and ratings to ensure the breaker aligns with your panel model and service requirements.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePractical applications\u003c\/strong\u003e: Ideal during panel upgrades, system migrations to current Siemens configurations, or when replacing a worn or damaged 3-pole breaker in existing setups.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eInstallation guidance\u003c\/strong\u003e: Disconnect power and install per electrical codes; if unsure about ratings or mounting, consult a licensed electrician to ensure safe, compliant operation.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eFor professionals maintaining Siemens electrical installations, the Siemens EF3A030 3-Pole Circuit Breaker provides a precise, reliable option that mirrors the original design and mounting standards. When you need a dependable 3-pole protective device that matches Siemens specifications, this EF3A030 breaker is the sensible choice for compatibility and performance in your 3-phase panel.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Siemens","offers":[{"title":"Default Title","offer_id":46425526206626,"sku":"EF3A030","price":310.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/siemens-ef3a030-circuit-breaker-3-pole-179.webp?v=1789419186","url":"https:\/\/www.ampstate.com\/products\/siemens-ef3a030-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}