{"product_id":"victron-mega-fuse-300a-80v-pack-of-5","title":"Victron MEGA-fuse 300A\/80V (package of 5 pcs) - CIP138300020","description":"\u003ch1 style=\"color: #f87c24;\"\u003eVictron Energy MEGA-Fuse 300A\/80V (Pack of 5)\u003c\/h1\u003e\n\n\u003cp\u003eThe Victron Energy MEGA-fuse 300A\/80V is a high-current blade-style fuse designed to protect battery cables and DC wiring in 12V, 24V and 48V systems. Sold in a pack of five, it is suited to professional installers working across multiple installations or requiring on-site spares.\u003c\/p\u003e\n\n\u003ch3 style=\"color: #f87c24;\"\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e300A continuous current rating for high-load DC protection applications.\u003c\/li\u003e\n  \u003cli\u003e80V DC voltage rating, compatible with 12V, 24V and 48V battery systems.\u003c\/li\u003e\n  \u003cli\u003eMEGA blade-fuse format, compatible with standard MEGA fuseholders including Victron's own range.\u003c\/li\u003e\n  \u003cli\u003ePack of 5 fuses, reducing per-unit cost and ensuring spares are available on site.\u003c\/li\u003e\n  \u003cli\u003eLightweight construction at 45g per pack, making them easy to carry in an installation kit.\u003c\/li\u003e\n  \u003cli\u003eVictron Energy part number CIP138300020, with GTIN 8719076061731 for straightforward procurement and stock management.\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 DC electrical protection, particularly in battery-based energy systems. The 300A rating makes this fuse appropriate for main battery cable protection on larger inverter installations, where cable runs between battery banks and inverters or charge controllers carry sustained high currents. At 80V DC, the fuse covers the full operating range of 48V lithium and lead-acid battery systems without risk of arc flash on rupture.\u003c\/p\u003e\n\n\u003cp\u003eThe MEGA format uses a bolt-down blade design, which provides a low-resistance, vibration-tolerant connection compared to in-line fuse holders. This is particularly relevant in mobile and marine applications where connections are subject to movement. Victron's MEGA fuseholders are designed to accept this fuse directly, though the format is an industry standard and compatible with many third-party holders.\u003c\/p\u003e\n\n\u003cp\u003eBuying in a pack of five is practical for trade use. A single blown fuse during commissioning or a fault condition is common, and having replacements immediately available avoids delays on site.\u003c\/p\u003e\n\n\u003ch3 style=\"color: #f87c24;\"\u003eTechnical Specifications\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eCurrent rating: 300A\u003c\/li\u003e\n  \u003cli\u003eVoltage rating: 80V DC\u003c\/li\u003e\n  \u003cli\u003eFuse format: MEGA blade\u003c\/li\u003e\n  \u003cli\u003ePack quantity: 5 fuses\u003c\/li\u003e\n  \u003cli\u003ePack weight: 0.045 kg\u003c\/li\u003e\n  \u003cli\u003eSKU: CIP138300020\u003c\/li\u003e\n  \u003cli\u003eGTIN: 8719076061731\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3 style=\"color: #f87c24;\"\u003eApplications\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eMain battery cable protection on 12V, 24V and 48V inverter systems.\u003c\/li\u003e\n  \u003cli\u003eDC bus protection in off-grid solar installations.\u003c\/li\u003e\n  \u003cli\u003eBattery fusing in marine and motorhome electrical systems.\u003c\/li\u003e\n  \u003cli\u003eReplacement fusing in existing MEGA fuseholder installations.\u003c\/li\u003e\n  \u003cli\u003eSpare fuse stock for trade installers and service engineers.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3 style=\"color: #f87c24;\"\u003eWhat Is Included\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e5 x Victron Energy MEGA-fuse 300A\/80V\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3 style=\"color: #f87c24;\"\u003eInstallation Notes\u003c\/h3\u003e\n\u003cp\u003eMEGA fuses must be installed in a compatible MEGA fuseholder rated for the current and voltage of the application. Ensure the fuseholder and cable terminations are correctly torqued to the manufacturer's specification to prevent resistance heating at the connection. DC systems at 300A carry significant fault energy, and all wiring, fuseholders and connections should be specified and installed by a qualified electrician or accredited installer. Always isolate the battery before replacing a fuse.\u003c\/p\u003e","brand":"Victron Energy","offers":[{"title":"Default Title","offer_id":47733655372110,"sku":"CIP138300020","price":28.88,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0796\/3698\/8238\/files\/mega_fuse_victron_300Amps.webp?v=1769215681","url":"https:\/\/voltaconsolar.com\/products\/victron-mega-fuse-300a-80v-pack-of-5","provider":"VoltaconSolar","version":"1.0","type":"link"}