{"product_id":"square-d-nqod42l400cu-400a-circuit-breaker","title":"Square D NQOD42L400CU Circuit Breaker, 400A","description":"\u003cdiv\u003e\n\u003cp\u003e\u003cstrong\u003eSquare D NQOD42L400CU Circuit Breaker, 400A\u003c\/strong\u003e is a rugged protection device crafted for demanding industrial environments. Whether you’re outfitting a new installation, performing maintenance, or replacing aging hardware, this 400 A breaker delivers reliable overcurrent protection to keep critical equipment and processes running smoothly.\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eManufacturer:\u003c\/strong\u003e Square D\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eProduct Type:\u003c\/strong\u003e Circuit Breaker\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e NQOD42L400CU\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eAmperage:\u003c\/strong\u003e 400 A\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eWhy this matters in the real world: industrial facilities demand dependable protection that can handle high electrical demand and frequent service work. The NQOD42L400CU is purpose-built for service entry, maintenance windows, and replacement projects, helping safeguard panels, feeders, and downstream equipment from overcurrent events.\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eIdeal use scenarios\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eIndustrial electrical service installations and upgrades\u003c\/li\u003e \u003cli\u003eMaintenance outages requiring reliable circuit protection\u003c\/li\u003e \u003cli\u003eReplacement of aging or failed breakers in heavy-duty environments\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\u003cstrong\u003eHow to ensure compatibility\u003c\/strong\u003e — Verify the fit by the exact part number (NQOD42L400CU) and assess your application requirements to ensure proper protection. If you’re unsure about compatibility, \u003cem\u003ewe’re here to help\u003c\/em\u003e— message us and we’ll assist with cross-checks and guidance to confirm the right fit for your system.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"AmpState","offers":[{"title":"Default Title","offer_id":46414747107490,"sku":"NQOD42L400CU","price":5538.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/square-d-nqod42l400cu-circuit-breaker-400a-breakers-620.webp?v=1789148330","url":"https:\/\/www.ampstate.com\/products\/square-d-nqod42l400cu-400a-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}