{"product_id":"square-d-fab36090-circuit-breaker","title":"Square D | FAB36090 | Circuit Breaker | 90A | 3-Pole | 600V","description":"\u003cdiv\u003e\n\u003cstrong\u003eSquare D FAB36090: 90A, 3-Pole, 600V Circuit Breaker\u003c\/strong\u003e \u003cp\u003eDependable protection for demanding 3‑phase systems starts with the right breaker. The Square D FAB36090 is a genuine OEM circuit breaker designed for maintenance, retrofit, and replacement scenarios where exact specs matter. With a 90-amp capacity, three poles, and a 600-volt rating, this device delivers reliable interruption and protection for industrial power distribution and motor circuits.\u003c\/p\u003e \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 rating\u003c\/strong\u003e: 600V\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePart number\u003c\/strong\u003e: FAB36090 (best reference for compatibility)\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eWhy choose this specific model? Because it’s an authentic Square D component engineered to fit and perform like the original equipment in compatible panels and enclosures. Using the OEM FAB36090 minimizes guesswork during retrofits and replacements, helping you avoid mismatched trip characteristics, mounting footprints, or electrical interfaces that can slow downtime and complicate service events.\u003c\/p\u003e \u003ch3\u003eIdeal use cases\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eRoutine maintenance: replace worn or damaged breakers in 3‑phase 600V systems to restore peak protection quickly.\u003c\/li\u003e \u003cli\u003eRetrofits: upgrade older panels or systems that require exact 90A, 3‑pole, 600V specifications for consistent protection and coordination.\u003c\/li\u003e \u003cli\u003ePanel replacements or expansions: ensure seamless integration with existing Square D distribution layouts and bus interfaces.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eCompatibility and installation guidance\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eAlways confirm fit and ratings before ordering. The FAB36090 part number is the most reliable reference for compatibility.\u003c\/li\u003e \u003cli\u003eCheck that your panel or enclosure supports a 3‑pole, 90A, 600V device of this exact footprint and mounting style.\u003c\/li\u003e \u003cli\u003eVerify the electrical coordination with neighboring breakers to maintain proper overcurrent protection and system safety.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003ePractical tips for best results: keep spare OEM parts on hand for rapid service, document the exact part number in your maintenance logs, and follow all local electrical codes during installation. If you’re replacing a failed unit in a critical line, plan for power shutdown and qualified supervision to preserve safety and uptime.\u003c\/p\u003e \u003cp\u003eWith the Square D FAB36090, you’re choosing a precise, purpose-built solution that aligns with your existing infrastructure. It’s the reliable, straightforward path to keeping three‑phase electrical systems protected, compliant, and running smoothly.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Square D","offers":[{"title":"Default Title","offer_id":46427229749410,"sku":"FAB36090","price":510.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/square-d-fab36090-circuit-breaker-90a-3-pole-600v-272.webp?v=1789689664","url":"https:\/\/www.ampstate.com\/products\/square-d-fab36090-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}