{"product_id":"square-d-lla36000s40x-circuit-breaker","title":"Square D | LLA36000S40X | Circuit Breaker | 400A | 3-Pole | 600V","description":"\u003cdiv\u003e\n\u003cp\u003e\u003cstrong\u003eSquare D LLA36000S40X Circuit Breaker — 400A, 3-Pole, 600V\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eMeet a dependable 400-amp, three-pole circuit breaker designed for 600-volt service. The LLA36000S40X is a practical choice for maintenance, retrofit, and replacement projects where precise specifications matter and downtime is costly. Built to integrate with compatible Square D panel systems, this device delivers robust protection for demanding 3-phase applications.\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eAmperage:\u003c\/strong\u003e 400 A\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePoles:\u003c\/strong\u003e 3-Pole\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVoltage:\u003c\/strong\u003e 600 V\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePart reference:\u003c\/strong\u003e LLA36000S40X\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eCompatibility notes: Confirm fit and ratings before ordering. The part number is the best reference to ensure the breaker matches your panel and bus configuration, reducing the risk of installation issues or performance mismatches.\u003c\/p\u003e \u003ch3\u003eWhy this Square D breaker is a smart choice\u003c\/h3\u003e\n\u003cp\u003eAs a Square D device, this breaker is designed for reliability within 600V three‑phase systems and is suited for environments where high-current protection is essential. Its 400A rating and 3‑pole configuration make it ideal for protecting heavy machinery, motors, and other high-load equipment in industrial and commercial settings, while fitting into standard Square D panel architectures for streamlined replacement or retrofits.\u003c\/p\u003e \u003ch3\u003eIdeal use cases\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eMaintenance and retrofit projects that require exact 400A, 3-Pole, 600V specifications.\u003c\/li\u003e \u003cli\u003eReplacement of a failed breaker with a matching part number to restore panel protection quickly.\u003c\/li\u003e \u003cli\u003eUpgrading or refurbishing 3-phase electrical systems in manufacturing, processing, or large facilities.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003ePractical tips for a smooth purchase and install\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eDouble-check your panel labeling to verify compatibility with 400A, 3-Pole, 600V devices and confirm that the LLA36000S40X is the correct reference for your setup.\u003c\/li\u003e \u003cli\u003eKeep the exact part number handy during ordering to ensure a precise match and reliable performance.\u003c\/li\u003e \u003cli\u003eFollow standard safety practices when handling high-current components and comply with local electrical codes during installation.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eDesigned for professionals who demand exact specifications and dependable protection, the Square D LLA36000S40X is a focused solution for maintaining, retrofitting, or replacing critical 600V, three-phase circuits. Add it to your project with confidence, knowing you’re using a part that aligns with your panel’s design and safety standards.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Square D","offers":[{"title":"Default Title","offer_id":46425678938274,"sku":"LLA36000S40X","price":310.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/square-d-lla36000s40x-circuit-breaker-400a-3-pole-600v-745.webp?v=1789440650","url":"https:\/\/www.ampstate.com\/products\/square-d-lla36000s40x-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}