{"product_id":"square-d-qga321256-circuit-breaker","title":"Square D | QGA321256 | Circuit Breaker | 125A | 3-Pole | 240V","description":"\u003cdiv\u003e\n\u003cp\u003eSquare D QGA321256 brings dependable protection to 240V electrical distribution with a precise 125A, 3-pole design. Built for maintenance, retrofit, and replacement projects where exact specifications matter, this circuit breaker is a trusted choice when you need a like-for-like swap that preserves panel protection and labeling.\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eAmperage:\u003c\/strong\u003e 125A\u003c\/li\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 number:\u003c\/strong\u003e QGA321256 — best reference for compatibility\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eApplications:\u003c\/strong\u003e suitable for maintenance, retrofit, and replacement in compatible Square D panels\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eKey considerations for a successful fit: always confirm the breaker matches your panel’s ratings and that QGA321256 is the correct part number for your enclosure. This ensures reliable protection and proper labeling after installation.\u003c\/p\u003e \u003cp\u003ePractical use scenarios include replacing a worn or tripped 125A, 3-pole breaker in a compatible Square D panel, or retrofitting an older installation to restore intended protection without changing the panel footprint. The part-number focus (QGA321256) helps streamline sourcing and avoid mismatches during procurement.\u003c\/p\u003e \u003cp\u003eInstallation tips and best practices:\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003ePower down the panel and verify that the panel is designed to accept a 3-pole, 240V, 125A breaker before attempting an install.\u003c\/li\u003e \u003cli\u003eKeep documentation of the exact part number (QGA321256) for future maintenance and accurate replacements.\u003c\/li\u003e \u003cli\u003eStore spare breakers in a clean, dry environment to maintain reliability when needed.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eChoosing the Square D QGA321256 means aligning with the manufacturer’s reference for compatibility, ensuring you maintain electrical protection standards and consistent performance in your distribution system.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Square D","offers":[{"title":"Default Title","offer_id":46426471301282,"sku":"QGA321256","price":9242.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/square-d-qga321256-circuit-breaker-125a-3-pole-240v-231.webp?v=1789583974","url":"https:\/\/www.ampstate.com\/products\/square-d-qga321256-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}