{"product_id":"square-d-djd36400e53-circuit-breaker","title":"Square D | DJD36400E53 | Circuit Breaker | 400A | 3-Pole | 600V","description":"\u003cdiv\u003e\n\u003cp\u003eThe Square D DJD36400E53 circuit breaker is engineered for serious 3‑phase protection in demanding 600V systems. With a 400A rating and a 3‑pole configuration, this unit is purpose-built for maintenance, retrofit, and replacement projects where exact specifications matter. When you need a trusted, genuine Square D part that aligns with your existing equipment, this DJD36400E53 model stands out for its precise compatibility and robust performance.\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eKey specifications\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eAmperage: 400A\u003c\/li\u003e \u003cli\u003ePoles: 3‑Pole\u003c\/li\u003e \u003cli\u003eVoltage: 600V\u003c\/li\u003e \u003cli\u003ePart number: DJD36400E53 — the best reference for compatibility\u003c\/li\u003e \u003cli\u003eUsage note: Confirm fit and ratings before ordering to ensure seamless integration with your panels\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eWhy this model is the right fit for your project\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eExact compatibility: The DJD36400E53 part number is your clearest guide for ensuring a proper match with Square D panels and downstream equipment, reducing guesswork during retrofits or replacements.\u003c\/li\u003e \u003cli\u003eReliable 3‑phase protection: Ideal for distribution circuits in industrial and commercial environments where 3‑pole, 600V protection is required.\u003c\/li\u003e \u003cli\u003eStreamlined maintenance and replacements: Using a genuine Square D component simplifies spare‑parts planning and minimizes downtime when a replacement is needed.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003ePractical use cases and scenarios\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eUpgrading an aging protection scheme in a 3‑phase 600V system where a 400A, 3‑pole breaker is required to safely interrupt current and protect wiring and equipment.\u003c\/li\u003e \u003cli\u003eRetrofit projects in existing Square D installations where the exact part number is essential to maintain panel ratings and trip characteristics.\u003c\/li\u003e \u003cli\u003eReplacement of a failed 400A, 3‑pole device in service panels, switchinggear, or distribution panels that operate at 600V.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eWhat to expect and how to proceed\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eDirectly supports reliable overload and short‑circuit protection in high‑current, three‑phase networks up to 600V.\u003c\/li\u003e \u003cli\u003eStock with confidence: the DJD36400E53 part number provides a clear reference for compatibility and future maintenance orders.\u003c\/li\u003e \u003cli\u003ePro tip: Always verify panel labeling and existing protection scheme before purchase to ensure the new breaker matches the required ratings and trip characteristics.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eDesigned for professionals who insist on precise compatibility, durable performance, and a straightforward replacement path, the Square D DJD36400E53 circuit breaker delivers dependable 3‑pole protection at 400A and 600V. It’s the practical, trusted choice for maintaining safe, efficient electrical systems where every ampere counts.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Square D","offers":[{"title":"Default Title","offer_id":46426489487522,"sku":"DJD36400E53","price":2010.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/master_generic_16d3a2fb-5d93-424c-9206-5031ec4b178f.png?v=1765492977","url":"https:\/\/www.ampstate.com\/products\/square-d-djd36400e53-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}