{"product_id":"square-d-q1240-40a-2p-circuit-breaker","title":"Square D Q1240 40A 2P Circuit Breaker | AmpState","description":"\u003cdiv\u003e\n\u003cp\u003eThe Square D Q1240 40A 2P Circuit Breaker from AmpState is a trusted protector for panelboards, load centers, and electrical distribution networks, delivering precise 40-amp, two-pole protection to keep circuits safe and equipment protected.\u003c\/p\u003e \u003cp\u003eEngineered for Retrofit work and maintenance planning when the part number must stay consistent, the Q1240 offers a reliable, drop-in replacement that preserves your existing Square D configuration while enabling updates to aging infrastructure.\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003e40 Amps, 2-Pole design\u003c\/strong\u003e for robust protection across two energized conductors.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePanelboard and load center compatibility\u003c\/strong\u003e—a standard choice for Square D installations.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePart-number consistency\u003c\/strong\u003e—perfect for retrofit projects where the exact Q1240 part must be maintained.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eReliable, known performance\u003c\/strong\u003e from Square D engineering, designed for steady trip characteristics in distribution systems.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eAmpState availability\u003c\/strong\u003e—secure supply for replacements and ongoing maintenance.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eCommon use cases include replacing failed or obsolete breakers in existing panelboards, upgrading circuits in commercial and residential distribution systems, and stocking a spare for planned maintenance so you can swap in minutes rather than chase parts last minute.\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eCompatibility \u0026amp; fit\u003c\/strong\u003e — Part Number: Q1240; 40 A; 2 Poles; Square D; designed for panelboards, load centers, and electrical distribution. If you’re unsure about compatibility, send us a message and we’ll help confirm fit and ensure you’re choosing the right replacement.\u003c\/p\u003e \u003cp\u003eChoose the Square D Q1240 40A 2P Circuit Breaker from AmpState for a dependable, ready-to-install protection solution that aligns with your existing electrical system and maintenance plans.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"AmpState","offers":[{"title":"Default Title","offer_id":46413669531810,"sku":"Q1240","price":810.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/square-d-q1240-40a-2p-circuit-breaker-ampstate-breakers-367.webp?v=1789076815","url":"https:\/\/www.ampstate.com\/products\/square-d-q1240-40a-2p-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}