{"product_id":"westinghouse-rfa3090-circuit-breaker","title":"Westinghouse | RFA3090 | Circuit Breaker | 90A | 3-Pole | 600V","description":"\u003cdiv\u003e\n\u003cp\u003eMeet the Westinghouse RFA3090 Circuit Breaker — a purpose-built replacement designed for maintenance, retrofit, and replacement projects where precise specifications matter. With a \u003cstrong\u003e90A\u003c\/strong\u003e rating, \u003cstrong\u003e3-Pole\u003c\/strong\u003e configuration, and a \u003cstrong\u003e600V\u003c\/strong\u003e operating capability, this breaker delivers dependable protection for demanding 3‑phase circuits in commercial and light industrial panels.\u003c\/p\u003e \u003ch2\u003eKey specifications\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eAmperage\u003c\/strong\u003e: 90A\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePoles\u003c\/strong\u003e: 3‑Pole\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVoltage\u003c\/strong\u003e: 600V\u003c\/li\u003e \u003cli\u003ePart number: RFA3090 — use this reference as the best indication of compatibility\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eWhy this model stands out\u003c\/h3\u003e\n\u003cp\u003eThis Westinghouse breaker is designed to slot into systems that require precise 3‑pole, 90‑amp protection at up to 600 volts. The \u003cstrong\u003eRFA3090\u003c\/strong\u003e designation isn’t just a label; it’s your best guide for compatibility with panels and assemblies that rely on the RFA family’s form factor and trip characteristics. When you’re maintaining or upgrading distribution equipment, choosing the exact part number helps minimize downtime and fitment surprises.\u003c\/p\u003e \u003ch3\u003eIdeal use cases\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eMaintenance and service of existing 3‑phase circuits that demand robust overcurrent protection\u003c\/li\u003e \u003cli\u003eRetrofits where upgrading to a higher amperage or different voltage rating isn’t required\u003c\/li\u003e \u003cli\u003eReplacement of failed breakers in panels that accept RFA3090‑class components\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003ePractical considerations for installation\u003c\/h3\u003e\n\u003cp\u003eBefore ordering, \u003cstrong\u003econfirm fit and ratings\u003c\/strong\u003e — the part number is the strongest compatibility signal for your panel. Check that your enclosure and bus configuration match a 3‑pole, 90A device rated for 600V. When replacing an old breaker, verify the interruption and trip characteristics align with your system’s safety and protection requirements. If in doubt, consult your panel’s documentation and use the RFA3090 as the primary compatibility reference.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Westinghouse","offers":[{"title":"Default Title","offer_id":46427404304546,"sku":"RFA3090","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\/westinghouse-rfa3090-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}