{"product_id":"eaton-faz-b4-3-4a-480v-3-pole-circuit-breaker","title":"Eaton FAZ-B4-3 - 4 A, 480 V, 3-Pole Circuit Breaker | AmpState","description":"\u003cdiv\u003e\n\u003cp\u003e\u003cstrong\u003eEaton FAZ-B4-3\u003c\/strong\u003e is a 4 A, 480 V, 3‑pole molded case circuit breaker designed to deliver dependable branch circuit overcurrent and short-circuit protection in panelboards and loadcenters.\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eSpace-efficient molded case design\u003c\/strong\u003e minimizes footprint while maximizing panel density, making it ideal for compact electrical panels and tight installations.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eThermal-magnetic trip unit\u003c\/strong\u003e delivers stable, repeatable protection by combining overload and short-circuit response for reliable performance across varying conditions.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003e3‑pole configuration\u003c\/strong\u003e supports three‑phase systems, providing coordinated protection for multi‑wire circuits and three‑phase equipment.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003e480 V rated\u003c\/strong\u003e suitable for commercial and light industrial distribution networks, enabling safe operation in higher voltage panel environments.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eOEM-compatible compatibility\u003c\/strong\u003e engineered to fit matching Eaton OEM loadcenters and panelboards, ensuring proper fit, electrical characteristics, and straightforward replacement.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eThe \u003cstrong\u003eEaton FAZ-B4-3\u003c\/strong\u003e is purpose-built for protecting branch circuits against both overloads and short circuits, reducing the risk of equipment damage and downtime. This makes it an excellent choice for:\u003c\/p\u003e \u003cul\u003e \u003cli\u003eResidential, commercial, and light industrial applications where space and reliability matter\u003c\/li\u003e \u003cli\u003ePanelboards and loadcenters that require a compact, dependable MCCB replacement\u003c\/li\u003e \u003cli\u003e3‑phase distribution points with 480 V service where precise protection coordination is essential\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eWhy choose this model over other breakers? The FAZ-B4-3 combines a compact form factor with a robust thermal-magnetic trip mechanism, delivering predictable trip performance without nuisance trips. Its design targets real-world use cases—from protection of small three‑phase motors and control circuits to safeguarding critical panel equipment in commercial settings—while maintaining compatibility with Eaton’s OEM hardware lineup for a seamless install.\u003c\/p\u003e \u003cp\u003eFor technicians and facilities engineers, this breaker translates to easier maintenance, faster replacements, and consistent protection across the panelboard ecosystem. With the FAZ-B4-3, you get precise, reliable circuit protection tailored to 480 V three‑phase environments, all in a space-conscious package.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Amp State","offers":[{"title":"Default Title","offer_id":46349557366946,"sku":null,"price":710.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/eaton_breaker_and_panels_5c572664-4a87-4bf9-bdbe-cf2a4e5c72db.png?v=1764149643","url":"https:\/\/www.ampstate.com\/products\/eaton-faz-b4-3-4a-480v-3-pole-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}