{"product_id":"square-d-qga321006-circuit-breaker","title":"Square D | QGA321006 | Circuit Breaker | 100A | 3-Pole | 240V","description":"\u003cdiv\u003e\n\u003cp\u003e\u003cstrong\u003eSquare D QGA321006 Circuit Breaker\u003c\/strong\u003e is a 100A, 3-pole, 240V safety device designed to protect three-phase electrical circuits and the panels that serve them.\u003c\/p\u003e \u003cp\u003eBuilt for maintenance, retrofit, and replacement projects, this QGA-series breaker ensures you maintain reliable protection without compromising panel compatibility. The part number \u003cstrong\u003eQGA321006\u003c\/strong\u003e is the most dependable reference for determining fit in compatible Square D panels and distribution equipment.\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eAmperage:\u003c\/strong\u003e 100A\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\n\u003c\/ul\u003e \u003cp\u003eUse cases include upgrading three-phase service where 3-pole, 240V protection is required, performing routine maintenance by replacing aging breakers, or retrofitting panels that rely on the Square D QGA family for safety and reliability.\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eBest reference for compatibility:\u003c\/strong\u003e Part number QGA321006\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eHow to verify fit:\u003c\/strong\u003e Check panel labeling and confirm ratings align with the QGA-series specifications before ordering.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eWhy choose this 100A, 3-Pole, 240V breaker? It’s designed by Square D to deliver consistent performance in demanding environments, protecting three-phase feeders and branch circuits with a proven safety profile. For projects that demand exact spec matching and long-term reliability, this QGA321006 model provides a precise, dependable solution that reduces downtime and ensures electrical system protection aligns with load requirements.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Square D","offers":[{"title":"Default Title","offer_id":46426471366818,"sku":"QGA321006","price":9242.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/square-d-qga321006-circuit-breaker-100a-3-pole-240v-667.webp?v=1789583982","url":"https:\/\/www.ampstate.com\/products\/square-d-qga321006-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}