{"product_id":"square-d-q1l290-circuit-breaker","title":"Square D | Q1L290 | Circuit Breaker | 90A | 2-Pole | 240V","description":"\u003cdiv\u003e\n\u003cp\u003e\u003cstrong\u003eSquare D Q1L290 Circuit Breaker\u003c\/strong\u003e — a robust 90A, 2-Pole, 240V protection device engineered for reliability in compatible Square D panels. Designed for maintenance, retrofit, and replacement projects where exact specifications matter, this breaker helps keep electrical systems safe and compliant.\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eAmperage:\u003c\/strong\u003e 90A\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePoles:\u003c\/strong\u003e 2-Pole\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVoltage:\u003c\/strong\u003e 240V\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eNotes: Confirm fit and ratings before ordering. The \u003cstrong\u003eQ1L290\u003c\/strong\u003e part number is the best reference for compatibility across Square D panels and accessories, ensuring proper fit, trip characteristics, and safe operation.\u003c\/p\u003e \u003ch3\u003eWhy this model stands out\u003c\/h3\u003e\n\u003cp\u003eChoosing a two-pole 240V breaker with a 90A rating provides coordinated protection for multi-wire branch circuits and higher-demand feeders. The Q1L290 is designed to match the form factor and electrical characteristics of Square D panels that accept the Q1L series, reducing installation guesswork and potential compatibility issues.\u003c\/p\u003e \u003ch3\u003eIdeal use cases\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eReplacing a failed or outdated breaker in Square D panels that accept Q1L-style units\u003c\/li\u003e \u003cli\u003eRetrofit projects where existing equipment requires exact Q1L290 specifications\u003c\/li\u003e \u003cli\u003eMaintenance tasks for 240V circuits that require higher protection than lower-amperage breakers\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003ePractical installation considerations\u003c\/h3\u003e\n\u003cp\u003eBefore replacement, shut off main power and verify the circuit is de-energized. Ensure the breaker seats firmly in the panel’s bus stabs for reliable operation. Use the \u003cstrong\u003eQ1L290\u003c\/strong\u003e part number as your compatibility reference to avoid mismatches and ensure safe, code-compliant performance.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Square D","offers":[{"title":"Default Title","offer_id":46426199031970,"sku":"Q1L290","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-q1l290-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}