{"product_id":"square-d-qob340epd-40a-3p-240v-circuit-breaker","title":"Square D QOB340EPD 40A 3P 240V Circuit Breaker, GFCI, Bolt-On | AmpState","description":"\u003cdiv\u003e\n\u003cp\u003eMeet the Square D QOB340EPD — a dedicated GFCI circuit breaker built for everyday electrical protection in panelboards, load centers, and distribution panels. With a 40 A rating, 3 poles, and 240 V operation, this bolt-on unit delivers reliable ground-fault protection where it matters most, helping keep your electrical system safe, compliant, and up to code.\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e QOB340EPD\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eManufacturer:\u003c\/strong\u003e Square D\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eProduct Type:\u003c\/strong\u003e GFCI Circuit Breaker (Bolt-On)\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eAmperage:\u003c\/strong\u003e 40 A\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePoles:\u003c\/strong\u003e 3\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVoltage:\u003c\/strong\u003e 240 V\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eApplications:\u003c\/strong\u003e Panelboards, load centers, electrical distribution\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eIdeal for:\u003c\/strong\u003e Maintenance teams, panel builders, and spare inventory where a direct part-number match matters\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eWhy this breaker stands out\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eGFCI protection for critical circuits:\u003c\/strong\u003e Ground-fault awareness reduces the risk of shock and electrical fires in rooms and equipment with higher exposure to moisture or miswiring.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eBolt-On installation:\u003c\/strong\u003e Quick, secure mounting in compatible Square D panels, minimizing downtime during replacements or panel upgrades.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eExact fit, reliable performance:\u003c\/strong\u003e The QOB340EPD is designed for direct part-number compatibility in system designs that require a precise match.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003e3P 240V configuration:\u003c\/strong\u003e Ideal for 3-phase commercial and industrial loads, enabling efficient protection across multi-wire circuits.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eWho it’s for and practical use cases\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eMaintenance teams conducting routine panel maintenance or upgrades who need an exact part-number match to avoid delays.\u003c\/li\u003e \u003cli\u003ePanel builders and electrical contractors sourcing components for new installations that require reliable GFCI protection at 240 V.\u003c\/li\u003e \u003cli\u003eSpare inventory for service trucks and warehouses to ensure quick replacement in critical distribution points.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eCompatibility and support\u003c\/h3\u003e\n\u003cp\u003eAmpState makes it easy to confirm fit. If you’re unsure about compatibility with your current panelboard or load center, you can message us and we’ll help verify the correct part-number match and installation considerations for your setup.\u003c\/p\u003e \u003cp\u003eChoose the Square D QOB340EPD when you need dependable GFCI protection in a bolt-on, 3-pole, 240 V package. It’s a practical, purpose-built solution for maintaining safe, compliant electrical distribution across commercial and industrial environments.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"AmpState","offers":[{"title":"Default Title","offer_id":46411084890274,"sku":"QOB340EPD","price":3002.0,"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-qob340epd-40a-3p-240v-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}