{"product_id":"sinofuse-rs309-md-125a-500vdc-fuses","title":"SINOFUSE RS309-MD-125A RS309-MD Series High-Speed Fuse, 125A, 500V AC\/DC","description":"\u003cp\u003eThe SINOFUSE RS309-MD-125A is a high-performance cylindrical bolt-connected high-speed fuse specifically engineered for the protection of power semiconductors. Optimized for automotive EV drive systems, high-capacity power converters, and energy storage, it provides superior short-circuit protection with a 50kA DC breaking capacity and high thermal stability under demanding industrial conditions.\u003c\/p\u003e\n\n\u003ctable width=\"100%\" style=\"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;\"\u003eRS309-MD-125A\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\u003c\/td\u003e\n    \u003ctd style=\"padding: 8px 10px; color: #555; line-height: 1.5; vertical-align: top;\"\u003e500VAC \/ 500VDC\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\u003c\/td\u003e\n    \u003ctd style=\"padding: 8px 10px; color: #555; line-height: 1.5; vertical-align: top;\"\u003e125A\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;\"\u003eAC 200kA \/ DC 50kA (τ ≤ 15ms)\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\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;\"\u003eSize Code\u003c\/td\u003e\n    \u003ctd style=\"padding: 8px 10px; color: #555; line-height: 1.5; vertical-align: top;\"\u003e5ZA\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;\"\u003e1250 A²s\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;\"\u003eTotal Clearing I²t\u003c\/td\u003e\n    \u003ctd style=\"padding: 8px 10px; color: #555; line-height: 1.5; vertical-align: top;\"\u003e3700 A²s\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 Power Loss\u003c\/td\u003e\n    \u003ctd style=\"padding: 8px 10px; color: #555; line-height: 1.5; vertical-align: top;\"\u003e28W\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 Bolt\u003c\/td\u003e\n    \u003ctd style=\"padding: 8px 10px; color: #555; line-height: 1.5; vertical-align: top;\"\u003eM8 Bolt Connection (12±1N.m Recommended Torque)\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\u003c\/td\u003e\n    \u003ctd style=\"padding: 8px 10px; color: #555; line-height: 1.5; vertical-align: top;\"\u003eUL248, IEC60269, RoHS, CE, TUV\u003c\/td\u003e\n  \u003c\/tr\u003e\n\u003c\/table\u003e","brand":"Sinofuse","offers":[{"title":"1 pcs","offer_id":53026016395543,"sku":null,"price":45.0,"currency_code":"USD","in_stock":true},{"title":"3 pcs","offer_id":53026016428311,"sku":null,"price":125.0,"currency_code":"USD","in_stock":true},{"title":"6 pcs","offer_id":53026016461079,"sku":null,"price":240.0,"currency_code":"USD","in_stock":true},{"title":"12 pcs","offer_id":53026016493847,"sku":null,"price":470.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0837\/9210\/1655\/files\/sinofuse-general-industrial-fuses-sinofuse-rs309-md-high-speed-fuse-125a-500v-ac-dc-ar-semiconductor-protection-bolted-tag-pack-of-10-1213401457.png?v=1766915678","url":"https:\/\/www.apexonsupply.com\/products\/sinofuse-rs309-md-125a-500vdc-fuses","provider":"Apexon Solutions LLC","version":"1.0","type":"link"}