{"product_id":"mersen-a130ud73tti315-z301046-315a-ar-fuses","title":"Mersen A130UD73TTI315 \/ Z301046 Protistor Fuse, 315A 1250VAC, High-Speed Square Body Size 73","description":"\u003cp\u003eThe Mersen A130UD73TTI315 (Z301046) is a high-speed square body fuse-link from the Protistor® Size 73 series. This ultra-fast acting fuse is specifically engineered to provide state-of-the-art protection for power semiconductor devices, including diodes, thyristors, and IGBTs. It is designed for high-voltage power conversion applications where rapid clearing of fault currents and low let-through energy (I²t) are critical for circuit integrity.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eKey Features\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSemiconductor Grade Protection:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eUtilization category \"aR\" ensures ultra-fast response times to protect sensitive electronic components from overcurrent damage.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh Power Capacity:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eRated for 315A and up to 1300VAC (UL), making it suitable for heavy industrial power conversion environments.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSuperior Arc Control:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eConstructed with die-cut elements embedded in solidified sand, which effectively controls arcing characteristics to achieve a high interrupting rating of 126kA.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEnhanced Connectivity:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eFeatures silver-plated brass contact surfaces and non-magnetic hardware for low resistance and reliable electrical performance.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIntegrated Monitoring:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eIncludes a built-in mechanical striker that provides visual fault confirmation and is compatible with field-mountable microswitches for remote signaling.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStandardized Mounting:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eEquipped with flush-end terminals and UNC threads for secure bolted installation in standardized equipment designs.\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\u003eA130UD73TTI315\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eItem Number:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eZ301046\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCurrent Rating:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e315A\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\u003eTerminal Type:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eFlush Ends (UNC Threads)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMelting I²t:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e12 kA²s\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eClearing I²t:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e95 kA²s (At Rated Voltage)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePower Dissipation:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e84W at Rated Current\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBody Material:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eHigh-Grade Ceramic\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIndicator System:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eStriker Included\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Mersen","offers":[{"title":"1 pcs","offer_id":52318145675543,"sku":null,"price":200.0,"currency_code":"USD","in_stock":true},{"title":"3 pcs","offer_id":52318145708311,"sku":null,"price":550.0,"currency_code":"USD","in_stock":true},{"title":"6 pcs","offer_id":52318145741079,"sku":null,"price":1000.0,"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-a130ud73tti315-z301046-315a-ar-fuses","provider":"Apexon Solutions LLC","version":"1.0","type":"link"}