{"product_id":"mersen-a100ud73li1250-j301193-protistor-size-73-ar-high-speed-semiconductor-fuse-1250-a-900v-ac","title":"Mersen A100UD73LI1250 \/ J301193 Protistor Size 73 aR High-Speed Semiconductor Fuse, 1250 A, 900V AC","description":"\u003cp\u003eThe Mersen A100UD73LI1250 is an ultra-fast acting Protistor® square body fuse-link engineered to deliver exceptional short-circuit protection for high-power conversion equipment and heavy industrial motor drives. Operating within the aR characteristic class, this Size 73 fuse provides superior current limitation and robust thermal cycling capabilities to safely protect highly sensitive semiconductor components, including diodes, thyristors, and IGBTs. Featuring silver-plated LI slotted blade terminals, non-magnetic hardware, and an impressive 151 kA breaking capacity, it ensures rapid and highly reliable fault clearing for mission-critical enterprise UPS and inverter systems.\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;\"\u003eProduct ID (MPN)\u003c\/td\u003e\n        \u003ctd style=\"padding: 8px 10px; color: #555; line-height: 1.5; vertical-align: top;\"\u003eA100UD73LI1250\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;\"\u003eOrder Code \/ Item Number\u003c\/td\u003e\n        \u003ctd style=\"padding: 8px 10px; color: #555; line-height: 1.5; vertical-align: top;\"\u003eJ301193\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;\"\u003eProduct Series\u003c\/td\u003e\n        \u003ctd style=\"padding: 8px 10px; color: #555; line-height: 1.5; vertical-align: top;\"\u003eProtistor® Square Body High-Speed Fuses\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;\"\u003eSpeed \/ Characteristic\u003c\/td\u003e\n        \u003ctd style=\"padding: 8px 10px; color: #555; line-height: 1.5; vertical-align: top;\"\u003eaR (Ultra-Fast Acting Semiconductor Protection)\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;\"\u003e1250 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;\"\u003e900 V AC (IEC) \/ 1000 V AC (UL)\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 Breaking Capacity\u003c\/td\u003e\n        \u003ctd style=\"padding: 8px 10px; color: #555; line-height: 1.5; vertical-align: top;\"\u003e151 kA AC\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;\"\u003eTerminals \/ Mounting Style\u003c\/td\u003e\n        \u003ctd style=\"padding: 8px 10px; color: #555; line-height: 1.5; vertical-align: top;\"\u003eType LI (Slotted Blades)\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;\"\u003ePre-arcing I²t\u003c\/td\u003e\n        \u003ctd style=\"padding: 8px 10px; color: #555; line-height: 1.5; vertical-align: top;\"\u003e585 kA²s\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;\"\u003eClearing I²t at Rated Voltage\u003c\/td\u003e\n        \u003ctd style=\"padding: 8px 10px; color: #555; line-height: 1.5; vertical-align: top;\"\u003e3080 kA²s\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;\"\u003ePower Dissipation (at In)\u003c\/td\u003e\n        \u003ctd style=\"padding: 8px 10px; color: #555; line-height: 1.5; vertical-align: top;\"\u003e234 W\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;\"\u003eStandards \u0026amp; Certifications\u003c\/td\u003e\n        \u003ctd style=\"padding: 8px 10px; color: #555; line-height: 1.5; vertical-align: top;\"\u003eIEC 60269-4, VDE 636-23, UL\/CSA Recognized (E76491)\u003c\/td\u003e\n    \u003c\/tr\u003e\n\u003c\/table\u003e","brand":"Mersen","offers":[{"title":"1 pcs","offer_id":52419746857239,"sku":null,"price":300.0,"currency_code":"USD","in_stock":true},{"title":"3 pcs","offer_id":52419746890007,"sku":null,"price":800.0,"currency_code":"USD","in_stock":true},{"title":"6 pcs","offer_id":52419746922775,"sku":null,"price":1500.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0837\/9210\/1655\/files\/A100UD73LI1250.png?v=1772767679","url":"https:\/\/www.apexonsupply.com\/products\/mersen-a100ud73li1250-j301193-protistor-size-73-ar-high-speed-semiconductor-fuse-1250-a-900v-ac","provider":"Apexon Solutions LLC","version":"1.0","type":"link"}