{"product_id":"square-d-ya400p7","title":"Square D YA400P7 400A Circuit Breaker","description":"\u003cdiv\u003e\n\u003cp\u003ePowerful protection for high‑demand electrical systems, the \u003cstrong\u003eSquare D YA400P7 400A Circuit Breaker\u003c\/strong\u003e is built to interrupt fault currents quickly and safeguard wiring, panels, and equipment from damage. This 400 amp device is designed for reliable, long‑term operation in commercial and industrial environments where robust overcurrent protection is essential.\u003c\/p\u003e \u003cp\u003eKey details you can rely on include the exact part identification: \u003cstrong\u003eYA400P7\u003c\/strong\u003e. This makes replacement straightforward in compatible Square D panels, helping you minimize downtime and maintain consistent electrical protection without guesswork.\u003c\/p\u003e \u003ch3\u003eWhat sets this breaker apart\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003e400 A current rating\u003c\/strong\u003e provides high‑capacity protection for large feeders and equipment, making it suitable for service entrances, main feeders, and substantial loads.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePart Number YA400P7\u003c\/strong\u003e ensures you’re selecting the precise model needed for replacement or stocking—reducing installation risks from incompatible parts.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eBrand consistency with Square D\u003c\/strong\u003e means predictable performance and straightforward integration with existing Square D distribution panels and components.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eBuilt for reliability\u003c\/strong\u003e as a dedicated high‑current protection device, designed to operate under demanding conditions common in commercial and light industrial settings.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eIdeal use cases\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eUpgrading or replacing main feeders in commercial electrical panels that require 400 A protection.\u003c\/li\u003e \u003cli\u003eProtecting large equipment and motors in light industrial facilities where high load demands are routine.\u003c\/li\u003e \u003cli\u003eStocking a dependable replacement part for service calls, minimizing panel downtime when 400 A protection is needed.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eInstallation and compatibility tips\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eConfirm that your Square D panel accepts YA‑series breakers and that the rating aligns with your system’s load calculations before installation.\u003c\/li\u003e \u003cli\u003eHandle with standard electrical safety practices, and ensure the device is properly seated within the panel’s mounting and electrical interface.\u003c\/li\u003e \u003cli\u003eKeep the exact part number handy during maintenance or future replacements to ensure an exact fit and consistent protection characteristics.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eFor professionals stocking their toolkit or upgrading critical protection, the \u003cstrong\u003eSquare D YA400P7 400A Circuit Breaker\u003c\/strong\u003e delivers clear, purpose‑built value. It pairs straightforward replacement compatibility with high‑current protection, helping you maintain safe, reliable electrical distribution across demanding applications.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Square D","offers":[{"title":"Default Title","offer_id":46423141056674,"sku":"YA400P7","price":660.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/master_generic_229276d9-908d-46df-93e5-6fe31866e0ff.png?v=1765492975","url":"https:\/\/www.ampstate.com\/products\/square-d-ya400p7","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}