{"product_id":"square-d-faf34090-circuit-breaker","title":"Square D | FAF34090 | Circuit Breaker | 90A | 3-Pole | 480V","description":"\u003cdiv\u003e\n\u003cp\u003eThe Square D FAF34090 Circuit Breaker is a rugged, 90-amp, three-pole protective device designed for 480V three-phase systems. Built to endure demanding industrial environments, it interrupts fault currents quickly to protect wiring, motors, sensors, and downstream equipment. This unit is ideal for maintenance, retrofit, and replacement projects where exact specifications matter and downtime is minimized by a direct-fit reference.\u003c\/p\u003e \u003ch2\u003eKey specifications\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eAmperage:\u003c\/strong\u003e 90 A\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePoles:\u003c\/strong\u003e 3-Pole\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVoltage rating:\u003c\/strong\u003e 480 V (AC)\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePart number:\u003c\/strong\u003e FAF34090\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch2\u003eWhere this breaker shines\u003c\/h2\u003e\n\u003cp\u003eWhether you’re updating an aging panel, performing a retrofit to support higher-capacity equipment, or replacing a failed device, the FAF34090 delivers dependable protection in 480V, three‑phase environments. It’s well-suited for industrial controls, HVAC systems, motor control centers, and distribution panels that run on 480V. Using the exact part number FAF34090 helps ensure compatibility with your Square D or Schneider Electric distribution gear and minimizes fitment guesswork.\u003c\/p\u003e \u003ch2\u003eWhy this matters\u003c\/h2\u003e\n\u003cp\u003eProtection in high-voltage, high-current applications isn’t optional — it’s essential for safety, uptime, and equipment longevity. With a 90A rating, you can tailor protection to motor loads and distribution feeders common in manufacturing floors and data-center support systems, reducing the risk of nuisance trips while maintaining fast fault interruption when it counts.\u003c\/p\u003e \u003ch2\u003eCompatibility and purchasing guidance\u003c\/h2\u003e\n\u003cp\u003eBefore ordering, confirm fit and ratings against your panel labeling and service documentation. The FAF34090 part number is the most reliable reference for compatibility with Square D panels and enclosures. If your system was configured for a 480V three‑phase supply and requires a 90A, 3‑pole breaker, this unit matches those exact specs.\u003c\/p\u003e \u003ch2\u003ePractical tips and best practices\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003eVerify the panel’s labeling shows a 3‑pole, 480V circuit breaker with a 90A rating and that it accepts the FAF34090 form factor.\u003c\/li\u003e \u003cli\u003eSchedule replacement during planned maintenance to minimize downtime; having the exact FAF34090 on hand speeds up the swap.\u003c\/li\u003e \u003cli\u003eHandle with power off and follow lockout\/tagout procedures; keep compatibility documentation handy to confirm spec alignment.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Square D","offers":[{"title":"Default Title","offer_id":46426481688738,"sku":"FAF34090","price":2010.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/square-d-faf34090-circuit-breaker-90a-3-pole-480v-774.webp?v=1789585771","url":"https:\/\/www.ampstate.com\/products\/square-d-faf34090-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}