{"product_id":"victron-mega-fuse-300a-58v-48v","title":"Victron MEGA-fuse 300A\/58V-48Vprod.(1 pc) *If 0, order CIP138300020* - CIP137300010","description":"\u003ch1 style=\"color: #f87c24;\"\u003eMEGA-Fuse 300A\/58V for 48V Systems (1 pc) — CIP137300010\u003c\/h1\u003e\n\n\u003cp\u003eThe Victron MEGA-Fuse 300A\/58V is a high-current blade-style fuse designed for overcurrent protection in 48V battery systems. It is suited to professional solar, off-grid and battery storage installations where reliable, rated protection of DC cabling and equipment is required.\u003c\/p\u003e\n\n\u003ch3 style=\"color: #f87c24;\"\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eRated at 300A continuous current with a 58V DC voltage rating, compatible with 48V battery banks.\u003c\/li\u003e\n  \u003cli\u003eMEGA-fuse format provides a compact, high-current solution for DC protection in battery and inverter circuits.\u003c\/li\u003e\n  \u003cli\u003eSingle fuse supplied per pack (quantity: 1 piece), suitable for replacement or single-circuit installations.\u003c\/li\u003e\n  \u003cli\u003eDesigned for use with MEGA fuseholders, ensuring a secure, low-resistance connection in high-current DC applications.\u003c\/li\u003e\n  \u003cli\u003eLightweight construction at 9 grams, minimising additional load in compact battery enclosures or distribution boards.\u003c\/li\u003e\n  \u003cli\u003eGTIN: 8719076021919 — genuine Victron Energy component for traceability and warranty compliance.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3 style=\"color: #f87c24;\"\u003eProduct Overview\u003c\/h3\u003e\n\u003cp\u003eMEGA-fuses are a widely used format in professional DC electrical installations. The 300A rating makes this fuse appropriate for protecting the main DC feed between a 48V battery bank and a high-current inverter or busbar. At 58V, the voltage rating provides adequate headroom above the maximum charge voltage of a standard 48V lithium or lead-acid battery system, which typically peaks between 54V and 58V depending on chemistry and charger settings.\u003c\/p\u003e\n\n\u003cp\u003eCorrect fuse selection is critical in DC systems. An undersized fuse will blow under normal load; an oversized fuse will fail to protect cabling in a fault condition. The 300A rating should be matched to the cable cross-section and the maximum continuous current draw of the connected equipment. Consult the cable manufacturer's current-carrying capacity tables and the inverter or charger documentation before selecting this fuse for a specific installation.\u003c\/p\u003e\n\n\u003cp\u003eNote: This SKU (CIP137300010) is listed as a single-piece pack. If stock shows zero, the alternative pack SKU is CIP138300020, which supplies the same fuse in a different pack quantity.\u003c\/p\u003e\n\n\u003ch3 style=\"color: #f87c24;\"\u003eTechnical Specifications\u003c\/h3\u003e\n\u003ctable style=\"border: 2px solid #f87c24; border-collapse: collapse; width: 100%;\"\u003e\n  \u003cthead\u003e\n    \u003ctr style=\"background-color: #f87c24; color: #ffffff;\"\u003e\n      \u003ctd style=\"border: 1px solid #f87c24; padding: 8px;\"\u003e\u003cstrong\u003eSpecification\u003c\/strong\u003e\u003c\/td\u003e\n      \u003ctd style=\"border: 1px solid #f87c24; padding: 8px;\"\u003e\u003cstrong\u003eValue\u003c\/strong\u003e\u003c\/td\u003e\n    \u003c\/tr\u003e\n  \u003c\/thead\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n      \u003ctd style=\"border: 1px solid #f87c24; padding: 8px;\"\u003eSKU\u003c\/td\u003e\n      \u003ctd style=\"border: 1px solid #f87c24; padding: 8px;\"\u003eCIP137300010\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd style=\"border: 1px solid #f87c24; padding: 8px;\"\u003eCurrent Rating\u003c\/td\u003e\n      \u003ctd style=\"border: 1px solid #f87c24; padding: 8px;\"\u003e300A\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd style=\"border: 1px solid #f87c24; padding: 8px;\"\u003eVoltage Rating\u003c\/td\u003e\n      \u003ctd style=\"border: 1px solid #f87c24; padding: 8px;\"\u003e58V DC\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd style=\"border: 1px solid #f87c24; padding: 8px;\"\u003eCompatible System Voltage\u003c\/td\u003e\n      \u003ctd style=\"border: 1px solid #f87c24; padding: 8px;\"\u003e48V\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd style=\"border: 1px solid #f87c24; padding: 8px;\"\u003eFuse Type\u003c\/td\u003e\n      \u003ctd style=\"border: 1px solid #f87c24; padding: 8px;\"\u003eMEGA-fuse\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd style=\"border: 1px solid #f87c24; padding: 8px;\"\u003ePack Quantity\u003c\/td\u003e\n      \u003ctd style=\"border: 1px solid #f87c24; padding: 8px;\"\u003e1 piece\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd style=\"border: 1px solid #f87c24; padding: 8px;\"\u003eWeight\u003c\/td\u003e\n      \u003ctd style=\"border: 1px solid #f87c24; padding: 8px;\"\u003e9 g\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd style=\"border: 1px solid #f87c24; padding: 8px;\"\u003eGTIN\u003c\/td\u003e\n      \u003ctd style=\"border: 1px solid #f87c24; padding: 8px;\"\u003e8719076021919\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd style=\"border: 1px solid #f87c24; padding: 8px;\"\u003eAlternative SKU (if out of stock)\u003c\/td\u003e\n      \u003ctd style=\"border: 1px solid #f87c24; padding: 8px;\"\u003eCIP138300020\u003c\/td\u003e\n    \u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch3 style=\"color: #f87c24;\"\u003eApplications\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eOvercurrent protection on the main DC feed between a 48V battery bank and a Victron MultiPlus, Quattro or other high-current inverter\/charger.\u003c\/li\u003e\n  \u003cli\u003eFuse replacement in existing MEGA fuseholder installations on 48V off-grid and hybrid solar systems.\u003c\/li\u003e\n  \u003cli\u003eDC distribution boards and busbars in battery storage systems requiring 300A-rated protection.\u003c\/li\u003e\n  \u003cli\u003eMarine and vehicle DC systems operating at 48V where MEGA-format fusing is specified.\u003c\/li\u003e\n  \u003cli\u003eCommercial and industrial battery backup systems with 48V architecture.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3 style=\"color: #f87c24;\"\u003eWhat Is Included\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e1 x Victron MEGA-Fuse 300A\/58V (CIP137300010)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3 style=\"color: #f87c24;\"\u003eInstallation Notes\u003c\/h3\u003e\n\u003cp\u003eThis fuse must be installed in a compatible MEGA fuseholder rated for the application voltage and current. DC fusing in battery and inverter systems should be carried out by a qualified electrician or MCS-accredited installer familiar with high-current DC installations. Ensure the fuse rating is appropriate for the cable cross-section in use and that the fuseholder is correctly torqued to the manufacturer's specification to avoid resistance heating at the terminals. Do not substitute this fuse with a higher-rated device to resolve nuisance tripping; investigate the root cause of any overcurrent condition before replacing.\u003c\/p\u003e","brand":"Victron Energy","offers":[{"title":"Default Title","offer_id":47435136827726,"sku":"CIP137300010","price":23.78,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0796\/3698\/8238\/files\/mega-fuse-300a58v-48vprod1-pc-if-0-order-cip138300020-482154.jpg?v=1747934739","url":"https:\/\/voltaconsolar.com\/products\/victron-mega-fuse-300a-58v-48v","provider":"VoltaconSolar","version":"1.0","type":"link"}