{"product_id":"square-d-qda321256-circuit-breaker","title":"Square D | QDA321256 | Circuit Breaker | 3-Pole | 240V","description":"\u003cdiv\u003e\n\u003cp\u003e\u003cstrong\u003eSquare D QDA321256\u003c\/strong\u003e is a robust 3-pole, 240-volt circuit breaker designed for reliable protection in three‑phase systems. Built for maintenance, retrofit, and replacement projects where exact specifications matter, this unit provides a precise, drop-in option for compatible panels in industrial and commercial settings.\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003ePoles:\u003c\/strong\u003e 3-Pole\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVoltage:\u003c\/strong\u003e 240V\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePart reference:\u003c\/strong\u003e QDA321256 (the best reference for compatibility)\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eApplication:\u003c\/strong\u003e Ideal for upgrading, replacing, or retrofitting 3‑phase electrical distribution where a matching 3‑pole 240V breaker is required\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eWhy this matters for your electrical system:\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eDirect compatibility within Square D ecosystems:\u003c\/strong\u003e When your panel or equipment calls for a 3-pole, 240V breaker, QDA321256 offers a straightforward, reliable match that aligns with the panel ratings and protection characteristics you rely on.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eTargeted use cases:\u003c\/strong\u003e Suitable for routine maintenance on aging panels, retrofits to add or upgrade 3‑phase circuits, and replacements that keep your system compliant without overhauling wiring or accessories.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eClear fit guidance:\u003c\/strong\u003e The part number is the clearest reference for compatibility. Always confirm fit and ratings against your panel label and service requirements before ordering.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eBest practices for selection and installation:\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eVerify before you buy:\u003c\/strong\u003e Cross-check the panel’s documentation to ensure the 3‑pole, 240V rating matches the QDA321256 requirements.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePlan for reliability:\u003c\/strong\u003e Keep a compatible spare on hand for critical electrical infrastructure to minimize downtime during scheduled maintenance or unexpected outages.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eSafe handling:\u003c\/strong\u003e Follow standard electrical safety procedures during installation and testing, and ensure power is isolated before any replacement work.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eDesigned for professionals who value precise specifications and dependable performance, the Square D QDA321256 circuit breaker delivers solid protection for 3‑phase 240V circuits. Whether you’re refreshing an aging system, upgrading to accommodate new equipment, or performing routine maintenance, this part provides a trustworthy, name-brand solution built to fit exacting compatibility needs.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Square D","offers":[{"title":"Default Title","offer_id":46427411447970,"sku":"QDA321256","price":1721.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/square-d-qda321256-circuit-breaker-3-pole-240v-648.webp?v=1789718968","url":"https:\/\/www.ampstate.com\/products\/square-d-qda321256-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}