{"product_id":"schneider-electric-square-d-qou3901021","title":"Schneider Electric Square D QOU3901021","description":"\u003cp\u003eThe Schneider Electric Square D QOU3901021 is a 3-pole miniature circuit breaker engineered for reliable overcurrent protection in commercial and industrial electrical distribution systems. This breaker, part of the QOU series, is designed to interrupt fault currents and prevent damage to downstream equipment. Its robust construction ensures consistent performance in demanding environments.\u003c\/p\u003e\n\n\u003ch3\u003eTechnical Details\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSeries:\u003c\/strong\u003e QOU\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePoles:\u003c\/strong\u003e 3\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eVoltage Rating:\u003c\/strong\u003e 240 VAC\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCurrent Rating:\u003c\/strong\u003e 90 Amperes\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eInterrupting Rating:\u003c\/strong\u003e 10 kA at 240 VAC (This specification is derived from the '10' in the part number, common for QOU series breakers indicating 10kAIC. Buyers should verify against the manufacturer's datasheet.)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eTerminal Type:\u003c\/strong\u003e Lug terminals (Standard for this series, verify against datasheet for specific configuration)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMounting Type:\u003c\/strong\u003e Bolt-on (Standard for QOU series, verify against datasheet)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eTrip Unit:\u003c\/strong\u003e Thermal-magnetic (Standard for this series, verify against datasheet)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eApplications \u0026amp; Compatibility\u003c\/h3\u003e\n\u003cp\u003eThis 3-pole circuit breaker is suitable for use in main distribution panels, sub-panels, and motor control centers. It is commonly found in applications such as HVAC systems, lighting circuits, and general power distribution for manufacturing facilities, data centers, and commercial buildings. Ensure compatibility with your specific panelboard and system requirements by consulting the manufacturer's documentation.\u003c\/p\u003e\n\n\u003cp\u003eAvailable from Industrial Automation Co as new, refurbished, or surplus stock, backed by a 2-year warranty with same-day shipping on in-stock items. Request a quote for the Schneider Electric Square D QOU3901021 or contact our technical team for cross-reference assistance with compatible QOU series components.\u003c\/p\u003e","brand":"IAC Catalog","offers":[{"title":"Default Title","offer_id":41239291002964,"sku":"QOU3901021","price":0.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0575\/2986\/0180\/files\/default-1_965fc8e9-dd80-476c-884b-383d82fefa76.webp?v=1777711435","url":"https:\/\/catalog.industrialautomationco.com\/products\/schneider-electric-square-d-qou3901021","provider":"IAC Catalog","version":"1.0","type":"link"}