{"product_id":"square-d-fga34040-circuit-breaker","title":"Square D | FGA34040 | Circuit Breaker | 40A | 3-Pole | 480V","description":"\u003cdiv\u003e\n\u003cp\u003eMeet the Square D FGA34040 Circuit Breaker — a purpose-built protection device for demanding 3‑phase 480V systems. Engineered to meet precise specs for maintenance, retrofit, or replacement projects, this 40A, 3‑pole breaker helps you safeguard motors, drives, and power distribution with reliable tripping behavior when faults occur.\u003c\/p\u003e \u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eAmperage:\u003c\/strong\u003e 40A\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePoles:\u003c\/strong\u003e 3‑Pole\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVoltage:\u003c\/strong\u003e 480V\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart reference:\u003c\/strong\u003e FGA34040\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Square D\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eWhy this 3‑pole 480V breaker matters\u003c\/h3\u003e \u003cp\u003eFor three‑phase electrical installations, a 3‑pole device provides synchronized interruption across all conductors, protecting equipment from imbalance and preventing damage to motors and controls. The FGA34040 is designed to plug into systems that require the exact 40A rating at 480V, ensuring consistent protection without nuisance trips.\u003c\/p\u003e \u003ch3\u003eIdeal use cases\u003c\/h3\u003e \u003cul\u003e\n\u003cli\u003eMaintenance and retrofits of industrial panels that house 3‑phase equipment up to 40A at 480V.\u003c\/li\u003e\n\u003cli\u003eReplacement of aging breakers in control centers, motor control centers, and HVAC\/distribution enclosures.\u003c\/li\u003e\n\u003cli\u003eNew installations where a known, compatible 3‑pole 480V protection device is required.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eInstallation and compatibility tips\u003c\/h3\u003e \u003cp\u003eAlways confirm fit and ratings before ordering. The FGA34040 part number is the most reliable reference for compatibility with Square D panels and enclosures. When selecting this breaker, verify:\u003c\/p\u003e \u003cul\u003e\n\u003cli\u003ePanel rating supports 480V systems\u003c\/li\u003e\n\u003cli\u003eThree conductors in the circuit and a 40A protective setting\u003c\/li\u003e\n\u003cli\u003eMounting style matches your enclosure (cite your panel model to ensure correct bus connection)\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eChoosing between alternatives\u003c\/h3\u003e \u003cp\u003eCompared to other protection options, this 3‑pole 480V breaker streamlines coordination for 3‑phase loads where a single device must interrupt all three lines. Ideal when your equipment runs on 3‑phase power and you need precise, predictable protection at a 40A rating.\u003c\/p\u003e \u003ch3\u003eCare and longevity\u003c\/h3\u003e \u003cp\u003eInspect for signs of wear or arcing during routine maintenance, and replace after any fault event when prescribed by your maintenance schedule. Keeping the breaker in clean, dry conditions helps maintain reliable performance over time.\u003c\/p\u003e \u003cp\u003eIf you’re upgrading or configuring a new 3‑phase system, the Square D FGA34040 40A, 3‑Pole, 480V circuit breaker provides a focused, dependable solution that aligns with your existing panels and electrical routine.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Square D","offers":[{"title":"Default Title","offer_id":46426148962466,"sku":"FGA34040","price":2010.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/master_generic_a085eff1-75dd-47ee-b131-4c8df8f0489b.png?v=1765492976","url":"https:\/\/www.ampstate.com\/products\/square-d-fga34040-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}