{"product_id":"square-d-ka360901021-circuit-breaker","title":"Square D | KA360901021 | Circuit Breaker | 90A | 3-Pole | 600V","description":"\u003cdiv\u003e\n\u003cp\u003eDesigned for demanding three‑phase electrical systems, the KA360901021 Square D circuit breaker delivers dependable protection for critical equipment. With a 90‑amp rating, a 3‑pole configuration, and 600V capability, this unit is built to handle the high‑load profiles found in commercial, industrial, and data‑center environments.\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eAmperage\u003c\/strong\u003e: 90A\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePoles\u003c\/strong\u003e: 3‑pole\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVoltage rating\u003c\/strong\u003e: 600V\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eReference\u003c\/strong\u003e: Part number KA360901021 is the best compatibility cue for replacement, retrofit, or maintenance\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eType\u003c\/strong\u003e: Genuine Square D circuit breaker designed for use in compatible panels\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eKey use cases\u003c\/h3\u003e\n\u003cp\u003eIdeal for maintenance, retrofit, and replacement when your panel requires a 90A, 3‑pole, 600V protection device. Perfect for upgrading aging networks, reconfiguring three‑phase equipment, or repairing damaged breakers without risking compatibility issues.\u003c\/p\u003e \u003ch3\u003eWhat sets this breaker apart\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eExact compatibility\u003c\/strong\u003e: The KA360901021 part reference minimizes guesswork, ensuring you match the panel’s required specs and maintain electrical safety.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eThree‑phase protection\u003c\/strong\u003e: The 3‑pole design reliably interrupts all three phases, helping preserve balanced loads and protecting downstream equipment.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eRobust, field‑friendly design\u003c\/strong\u003e: Built for regular maintenance and ready for retrofit projects in industrial and commercial settings.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eClear ordering path\u003c\/strong\u003e: When the panel or refurbishment project specifies KA360901021, this breaker provides a direct, trustworthy replacement without improvisation.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eCompatibility and installation notes\u003c\/h3\u003e\n\u003cp\u003eBefore ordering, confirm that your equipment calls for a 90A, 3‑pole, 600V breaker and that KA360901021 is the correct part reference for your panel. Use this part for panels and datasets that list Square D breakers with the KA360901021 designation to ensure a safe, code‑compliant fit and reliable performance in service interruptions.\u003c\/p\u003e \u003cp\u003eIn practical terms, this Square D breaker is a solid choice for professionals upgrading or maintaining three‑phase electrical systems that demand dependable overcurrent protection at 600V. It’s a precise, purpose‑built solution designed to keep systems running smoothly and safely.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Square D","offers":[{"title":"Default Title","offer_id":46426367983778,"sku":"KA360901021","price":2010.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/master_generic_a085eff1-75dd-47ee-b131-4c8df8f0489b.png?v=1765492976","url":"https:\/\/www.ampstate.com\/products\/square-d-ka360901021-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}