{"product_id":"ferraz-shawmut-s300718-pc73ud85v14ctf-fuses","title":"Mersen PC73UD85V14CTF \/ W300517 Protistor Size 73 aR High-Speed Fuse, 1400A, 850VAC","description":"\u003cp\u003eThe Mersen PC73UD85V14CTF (Reference Number: W300517) is an elite-tier Protistor® ultra-fast acting square body fuse-link, precision-engineered for the protection of high-power semiconductor devices. As part of the Size 73 series, this aR-class fuse is optimized to safeguard thyristors, diodes, and advanced power modules in demanding environments such as heavy-duty rectifiers and large-scale industrial motor drives. Rated for a nominal current of 1400A at 850VAC, it provides an exceptional balance between high current carrying capacity and extremely low I²t let-through values to prevent catastrophic failure of downstream components. The TTF (Tapped Terminal Face) design features M12 internal threads, which facilitate a secure and space-efficient direct mounting to busbars while ensuring high mechanical stability under vibration.\u003c\/p\u003e\n\n\u003ctable style=\"width:100%; border-collapse: collapse; border: 1px solid #e0e0e0; font-size: 13px; margin-top: 20px; font-family: sans-serif;\"\u003e\n    \u003ctr style=\"border-bottom: 1px solid #e0e0e0;\"\u003e\n        \u003ctd style=\"padding: 8px 10px; background-color: #f9f9f9; font-weight: bold; width: 35%; color: #333; line-height: 1.5; vertical-align: top;\"\u003eManufacturer\u003c\/td\u003e\n        \u003ctd style=\"padding: 8px 10px; color: #555; line-height: 1.5; vertical-align: top;\"\u003eMersen (Ferraz Shawmut)\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr style=\"border-bottom: 1px solid #e0e0e0;\"\u003e\n        \u003ctd style=\"padding: 8px 10px; background-color: #f9f9f9; font-weight: bold; width: 35%; color: #333; line-height: 1.5; vertical-align: top;\"\u003eCatalog Number\u003c\/td\u003e\n        \u003ctd style=\"padding: 8px 10px; color: #555; line-height: 1.5; vertical-align: top;\"\u003ePC73UD85V14CTF\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr style=\"border-bottom: 1px solid #e0e0e0;\"\u003e\n        \u003ctd style=\"padding: 8px 10px; background-color: #f9f9f9; font-weight: bold; width: 35%; color: #333; line-height: 1.5; vertical-align: top;\"\u003eReference Number\u003c\/td\u003e\n        \u003ctd style=\"padding: 8px 10px; color: #555; line-height: 1.5; vertical-align: top;\"\u003eW300517\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr style=\"border-bottom: 1px solid #e0e0e0;\"\u003e\n        \u003ctd style=\"padding: 8px 10px; background-color: #f9f9f9; font-weight: bold; width: 35%; color: #333; line-height: 1.5; vertical-align: top;\"\u003eFuse Size\u003c\/td\u003e\n        \u003ctd style=\"padding: 8px 10px; color: #555; line-height: 1.5; vertical-align: top;\"\u003eSize 73\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr style=\"border-bottom: 1px solid #e0e0e0;\"\u003e\n        \u003ctd style=\"padding: 8px 10px; background-color: #f9f9f9; font-weight: bold; width: 35%; color: #333; line-height: 1.5; vertical-align: top;\"\u003eRated Current (In)\u003c\/td\u003e\n        \u003ctd style=\"padding: 8px 10px; color: #555; line-height: 1.5; vertical-align: top;\"\u003e1400 A\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr style=\"border-bottom: 1px solid #e0e0e0;\"\u003e\n        \u003ctd style=\"padding: 8px 10px; background-color: #f9f9f9; font-weight: bold; width: 35%; color: #333; line-height: 1.5; vertical-align: top;\"\u003eRated Voltage (AC)\u003c\/td\u003e\n        \u003ctd style=\"padding: 8px 10px; color: #555; line-height: 1.5; vertical-align: top;\"\u003e850 VAC\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr style=\"border-bottom: 1px solid #e0e0e0;\"\u003e\n        \u003ctd style=\"padding: 8px 10px; background-color: #f9f9f9; font-weight: bold; width: 35%; color: #333; line-height: 1.5; vertical-align: top;\"\u003eUtilization Category\u003c\/td\u003e\n        \u003ctd style=\"padding: 8px 10px; color: #555; line-height: 1.5; vertical-align: top;\"\u003eaR (Ultra-fast-acting)\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr style=\"border-bottom: 1px solid #e0e0e0;\"\u003e\n        \u003ctd style=\"padding: 8px 10px; background-color: #f9f9f9; font-weight: bold; width: 35%; color: #333; line-height: 1.5; vertical-align: top;\"\u003eBreaking Capacity\u003c\/td\u003e\n        \u003ctd style=\"padding: 8px 10px; color: #555; line-height: 1.5; vertical-align: top;\"\u003e110 kA @ 850VAC\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr style=\"border-bottom: 1px solid #e0e0e0;\"\u003e\n        \u003ctd style=\"padding: 8px 10px; background-color: #f9f9f9; font-weight: bold; width: 35%; color: #333; line-height: 1.5; vertical-align: top;\"\u003eMounting Style\u003c\/td\u003e\n        \u003ctd style=\"padding: 8px 10px; color: #555; line-height: 1.5; vertical-align: top;\"\u003eTTF (M12 Tapped Face)\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr style=\"border-bottom: 1px solid #e0e0e0;\"\u003e\n        \u003ctd style=\"padding: 8px 10px; background-color: #f9f9f9; font-weight: bold; width: 35%; color: #333; line-height: 1.5; vertical-align: top;\"\u003eIndicator\u003c\/td\u003e\n        \u003ctd style=\"padding: 8px 10px; color: #555; line-height: 1.5; vertical-align: top;\"\u003eBuilt-in Mechanical Striker\u003c\/td\u003e\n    \u003c\/tr\u003e\n\u003c\/table\u003e","brand":"Ferraz Shawmut","offers":[{"title":"1 pcs","offer_id":52318128013591,"sku":"S300718","price":180.0,"currency_code":"USD","in_stock":true},{"title":"3 pcs","offer_id":52318128046359,"sku":"S300719","price":500.0,"currency_code":"USD","in_stock":true},{"title":"6 pcs","offer_id":52318128079127,"sku":"S300720","price":950.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0837\/9210\/1655\/files\/ferraz-shawmut-pc73ud85v14ctf-3pcs-ferraz-shawmut-s300718-pc73ud85v14ctf-fuses-1212531489.jpg?v=1766607518","url":"https:\/\/www.apexonsupply.com\/products\/ferraz-shawmut-s300718-pc73ud85v14ctf-fuses","provider":"Apexon Solutions LLC","version":"1.0","type":"link"}