{"product_id":"mersen-a130ud73tti350-a301047-350a-ar-fuses","title":"Mersen A130UD73TTI350 \/ A301047 Protistor Fuse, 350A 1250VAC, High-Speed Square Body Size 73","description":"\u003cp\u003eThe Mersen A130UD73TTI350 (A301047) is a high-performance ultra-fast acting fuse from the Protistor® Size 73 series. Engineered for the specialized protection of power semiconductors, this square body fuse is optimized for diodes, thyristors, and IGBT devices. Designed with advanced arcing control and extremely low I²t levels, it provides ultimate protection for modern power conversion equipment, including industrial drives, UPS systems, and traction inverters.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eKey Features\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePrecision Semiconductor Protection:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eUtilization category \"aR\" ensures an ultra-fast response to short-circuit faults, minimizing let-through energy to protect sensitive electronic components.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh Interrupting Rating:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eFeatures a robust breaking capacity of 126kA, certified for high-voltage environments up to 1300VAC (UL).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAdvanced Indicator System:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eEquipped with an integrated mechanical striker that provides reliable visual trip indication and is ready for microswitch mounting for remote fault signaling.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePremium Construction:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eAssembled with high-grade ceramic and silver-plated brass terminals (flush ends with UNC threads) to ensure high conductivity and low power dissipation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOptimized Performance:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eUses die-cut elements embedded in solidified sand, resulting in consistent arcing characteristics and high thermal stability.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eTechnical Specifications\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eMersen\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCatalogue Number:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eA130UD73TTI350\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eItem Number:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eA301047\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCurrent Rating:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e350A\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVoltage Rating:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e1250VAC (IEC) \/ 1300VAC (UL)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBreaking Capacity:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e126kA at Rated Voltage\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUtilization Category:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eaR (High-Speed Semiconductor Protection)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFuse Size:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e73\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConnection Type:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eFlush Ends (UNC Threaded)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMelting I²t:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e17 kA²s\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eClearing I²t:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e140 kA²s (At Rated Voltage)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePower Dissipation:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e86W at Rated Current\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBody Material:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eCeramic\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTerminal Material:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eSilver-Plated Brass\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Mersen","offers":[{"title":"1 pcs","offer_id":52318231036183,"sku":null,"price":250.0,"currency_code":"USD","in_stock":true},{"title":"3 pcs","offer_id":52318231068951,"sku":null,"price":700.0,"currency_code":"USD","in_stock":true},{"title":"6 pcs","offer_id":52318231101719,"sku":null,"price":1250.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0837\/9210\/1655\/files\/mersen-mersen-a130ud73tti630-f301052-630a-ar-fuses-3-pieces-1212532524.jpg?v=1766626058","url":"https:\/\/www.apexonsupply.com\/products\/mersen-a130ud73tti350-a301047-350a-ar-fuses","provider":"Apexon Solutions LLC","version":"1.0","type":"link"}