{"product_id":"ferraz-shawmut-b300519-pc71ud13c315tf-fuses","title":"Mersen Protistor B300519 PC71UD13C315TF High-Speed Fuse, 315A 1250VAC, Size 71 aR, Flush End","description":"\u003cp\u003eThe Mersen Protistor® B300519 (PC71UD13C315TF) is a premium square body high-speed fuse designed for the ultimate protection of power semiconductor devices. Engineered for size 71, this aR ultra-fast acting fuse-link is specifically optimized for diodes, thyristors, and IGBT devices in high-power conversion equipment. Utilizing die-cut elements embedded in solidified sand, it ensures precise arcing control, low I²t (clearing integral), and superior breaking capacity. All contact surfaces are silver-plated to maintain high conductivity and prevent oxidation over long-term service.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eKey Features\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eUltra-Fast Semiconductor Protection:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eThe aR characteristic provides high-speed clearing to safeguard sensitive components from overcurrent damage.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh Interrupting Rating:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eFeatures a breaking capacity of 126 kA at rated voltage, ensuring safety in demanding industrial power environments.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIntegrated Striker Indicator:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eEquipped with a mechanical striker for visual indication and the ability to trigger a field-mountable microswitch for remote monitoring.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRobust Flush End Mounting:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eDesigned with metric-threaded flush end contacts for secure, low-resistance bolted installation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePremium Material Construction:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eBuilt with a high-grade ceramic body and non-magnetic silver-plated brass hardware for reliable performance under thermal stress.\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\u003eSeries:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eProtistor® Size 71\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eItem Number:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eB300519 (PC71UD13C315TF)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCurrent Rating:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e315 A\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVoltage Rating (IEC):\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e1250 V AC\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVoltage Rating (UL):\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e1300 V AC\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUtilization Category:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eaR (Ultra-fast acting)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBreaking Capacity:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e126 kA AC\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMounting Style:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eFlush ends \/ Bolted\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eClearing I²t (at Rated Voltage):\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e129 kA²s\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePower Dissipation:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e73 W at rated current\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIndication:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eStriker System\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDimensions:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e51 mm (W) x 74 mm (L) x 56.5 mm (H)\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Mersen","offers":[{"title":"1 pcs","offer_id":52318031118615,"sku":"PC71UD13C315TF-1","price":160.0,"currency_code":"USD","in_stock":true},{"title":"3 pcs","offer_id":52318031151383,"sku":"PC71UD13C315TF-2","price":260.0,"currency_code":"USD","in_stock":true},{"title":"6 pcs","offer_id":52318031184151,"sku":"PC71UD13C315TF-3","price":500.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0837\/9210\/1655\/files\/ferraz-shawmut-ferraz-shawmut-b300519-pc71ud13c315tf-fuses-2-pieces-1212524655.jpg?v=1766596571","url":"https:\/\/www.apexonsupply.com\/products\/ferraz-shawmut-b300519-pc71ud13c315tf-fuses","provider":"Apexon Solutions LLC","version":"1.0","type":"link"}