{"product_id":"kna40ed4303","title":"KNA40ED4303 Schneider Electric","description":"\u003cp\u003eThe Schneider Electric KNA40ED4303 is a circuit breaker designed for industrial power distribution and protection. As part of the Schneider Electric Masterpact series, this breaker is engineered to safeguard electrical systems against overcurrents and short circuits in demanding environments. Its robust construction and reliable performance make it suitable for integration into various industrial control panels and power distribution units.\u003c\/p\u003e\n\n\u003ch3\u003eTechnical details\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSeries:\u003c\/strong\u003e Masterpact\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e Circuit Breaker\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCurrent Rating:\u003c\/strong\u003e 40 A\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConfiguration:\u003c\/strong\u003e Straight Length\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVoltage Class:\u003c\/strong\u003e Typically rated for industrial voltages; consult manufacturer datasheet for specific voltage ratings (e.g., 240V, 480V, 600V AC).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInterrupting Capacity:\u003c\/strong\u003e Specific interrupting capacity (kA) is encoded in the full part number or requires datasheet verification.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePoles:\u003c\/strong\u003e The 'ED' in the part number often indicates a 3-pole configuration, but this should be confirmed with the datasheet.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMounting Type:\u003c\/strong\u003e Panel mount, designed for integration into switchgear and control cabinets.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eApplications \u0026amp; compatibility\u003c\/h3\u003e\n\u003cp\u003eThis Schneider Electric circuit breaker is commonly employed in power distribution systems for manufacturing facilities, process plants, and commercial buildings. It is essential for protecting downstream equipment such as motors, transformers, and lighting circuits from electrical faults. Its compatibility extends to various industrial switchgear assemblies and control panels requiring reliable overcurrent protection.\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 KNA40ED4303 or contact our technical team for cross-reference assistance with compatible Masterpact components.\u003c\/p\u003e","brand":"Schneider Electric","offers":[{"title":"Default Title","offer_id":42864487596116,"sku":null,"price":0.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0575\/2986\/0180\/files\/24_07_2025_13_25_02_KNA40ED4303_Schneider_Electric.png?v=1769214405","url":"https:\/\/catalog.industrialautomationco.com\/products\/kna40ed4303","provider":"IAC Catalog","version":"1.0","type":"link"}