{"product_id":"eaton-fdb4030-circuit-breaker","title":"Eaton | FDB4030 | Circuit Breaker | 30A | 4-Pole","description":"\u003cdiv\u003e\n\u003cp\u003eIntroducing the Eaton FDB4030 Circuit Breaker — a precise, ready-to-install 30A, 4-Pole protection device designed for Eaton panel ecosystems. Built for maintenance, retrofit, and replacement, this breaker helps you keep electrical systems safe, compliant, and performing at their best.\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eAmperage\u003c\/strong\u003e: 30A — provides dependable overcurrent protection tailored to your load requirements.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePole configuration\u003c\/strong\u003e: 4-Pole — ensures reliable interruption of all current-carrying conductors in 3‑phase, 4-wire configurations for complete safety shutdowns.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePart reference\u003c\/strong\u003e: FDB4030 — use this exact part number as your compatibility guide to match Eaton panels and accessories precisely.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eApplication\u003c\/strong\u003e: Ideal for maintenance, retrofit, and replacement projects where matching specifications is essential to panel performance and safety.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eFit notes\u003c\/strong\u003e: Confirm fit and ratings before ordering; the part number is the best reference to ensure seamless integration with your existing Eaton infrastructure.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\u003cstrong\u003eWhy the 4‑Pole design matters\u003c\/strong\u003e\u003cbr\u003e\nIn systems that require disconnect of all conductors, a 4-Pole circuit breaker delivers comprehensive protection by trip-disconnect across every line and neutral. This configuration is especially valuable for 3‑phase installations, ensuring coordinated protection and simplifying compliance with electrical codes during upgrades or service work.\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eWho benefits most\u003c\/strong\u003e\u003cbr\u003e\n- Facilities operating Eaton distribution panels that specify FDB4030 for compatibility and performance guarantees\u003cbr\u003e\n- Maintenance teams performing panel refreshes or parts replacement with minimal downtime\u003cbr\u003e\n- Architects and engineers designing or updating 3‑phase, 4‑wire systems seeking reliable, per-spec protective devices\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003ePractical considerations and tips\u003c\/strong\u003e\u003cbr\u003e\n- Use the exact part number FDB4030 as your primary compatibility check to avoid mismatches in panel design or trip characteristics.\u003cbr\u003e\n- When planning a retrofit, map the existing breaker’s amperage, pole count, and mounting style to ensure a smooth swap-in replacement without modifying surrounding circuitry.\u003cbr\u003e\n- Always de-energize and lockout\/tagout the panel before replacing breakers, and consult your panel’s labeling to verify alignment with Eaton’s protection scheme.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Eaton","offers":[{"title":"Default Title","offer_id":46427087536290,"sku":"FDB4030","price":510.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/master_generic_a0994f42-7fad-49d1-911a-c2784022b8c9.png?v=1765492979","url":"https:\/\/www.ampstate.com\/products\/eaton-fdb4030-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}