{"product_id":"square-d-qo-200-amp-42-spaces-42-circuit-indoor-main-breaker-panel-plug-on","title":"Square D QO 200-Amp 42-Spaces 42-Circuit Indoor Main Breaker Panel Plug-On","description":"\u003cdiv\u003e\n\u003cp\u003eBuilt by Square D, the QO 200-Amp 42-Space 42-Circuit Indoor Main Breaker Panel Plug-On is designed for dependable electrical distribution in demanding environments. Whether you’re upgrading an aging service, wiring a retrofit project, or stocking spares for routine maintenance, this panel delivers proven performance you can trust.\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003e200-Amp main service\u003c\/strong\u003e provides solid capacity for complex electrical loads while keeping you within typical residential, commercial, and light industrial service thresholds.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003e42 spaces \/ 42 circuits\u003c\/strong\u003e offer ample room for expansion, organized wiring, and straightforward circuit management in a single enclosure.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eIndoor main breaker panel\u003c\/strong\u003e designed for controlled environments such as utility rooms, basements, offices, and retail spaces, built to withstand everyday use in these settings.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePlug-On design\u003c\/strong\u003e enables faster field installation, easier upgrades, and simpler maintenance or replacements, helping minimize downtime on service work.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePart of the Square D QO family\u003c\/strong\u003e ensures compatibility with a wide range of QO breakers and a broad availability of replacement parts, simplifying sourcing for projects and stockrooms.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eClearly organized and reliable distribution\u003c\/strong\u003e supports consistent performance across commercial, industrial, and demanding residential applications, reducing wiring errors and easing future modifications.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\u003cstrong\u003eIdeal for\u003c\/strong\u003e electricians, panel builders, and MRO teams tasked with service upgrades, retrofit installations, or maintenance replacements. It’s a solid choice for office buildings, retail locations, light manufacturing spaces, and multi-tenant facilities where dependable power distribution matters.\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eWhat problems it solves\u003c\/strong\u003e by providing a robust main breaker, ample circuit capacity, and a plug-on installation approach, helping you complete upgrades with fewer complications, faster downtime, and clearer circuit organization. This panel is designed to support long-term reliability while accommodating growth as loads change over time.\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003ePractical tips\u003c\/strong\u003e—plan for future expansion by reserving space for a few additional breakers, label circuits consistently during installation, and verify compatibility with existing breakers within the QO family to streamline replacements and service work.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Square D","offers":[{"title":"Default Title","offer_id":46395803009186,"sku":null,"price":2109.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/master_generic_83963f7f-600e-419f-90c6-e7677089642b.png?v=1765492973","url":"https:\/\/www.ampstate.com\/products\/square-d-qo-200-amp-42-spaces-42-circuit-indoor-main-breaker-panel-plug-on","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}