Victron Energy Victron Energy MEGA Fuse 80A High-Current DC Protection | Rated Up to 80V Systems The Victron Energy MEGA Fuse 80A is a robust DC fuse designed to provide essential over-current protection for high-current electrical systems. Rated at 80 amps and suitable for systems up to 80V, it is an ideal component for safeguarding valuable equipment in a wide array of DC applications, including solar, marine, and automotive setups. As a critical safety device, this MEGA fuse is engineered to interrupt circuits rapidly in the event of excessive current caused by short circuits, equipment faults, or overloads. This proactive measure helps prevent damage to electrical components and significantly reduces the risk of system failure or fire, ensuring the longevity and reliability of your power system. ESSENTIAL PROTECTION: Safeguards high-current DC electrical systems from over-current faults. Key Features ▶ High Current Capacity — Rated at 80A for demanding DC applications. ▶ Wide Voltage Compatibility — Suitable for 12V, 24V, and 48V battery systems, rated up to 80V DC. ▶ Reliable Over-Current Protection — Quickly interrupts circuits to prevent damage from short circuits or overloads. ▶ Robust Construction — Manufactured to Victron Energy's high standards for dependable performance. ▶ Low Internal Resistance — Ensures efficient power transfer within your DC system. ▶ Compact Design — Facilitates easy integration into compatible MEGA fuse holders. Technical Specifications Parameter Value Manufacturer Victron Energy Product Type MEGA Fuse Current Rating 80A Max Voltage Rating 80V DC Terminal Size M8 (5/16") Distance Between Terminals 50.8mm Dimensions (L x W) 68.8 x 19 mm Weight 10g Typical Applications Application Area Description Solar & Off-Grid Systems Protection for connections between solar charge controllers and battery banks, or DC input of off-grid inverters. Marine & RV Critical safety component in high-current DC electrical systems for boats, caravans, and motorhomes. Battery Bank Protection Safeguarding battery banks and associated equipment from overcurrents. DC Power Distribution General over-current protection in various DC power distribution or charging circuits. Essential Safety Function The Victron Energy MEGA fuse is engineered to provide critical over-current protection, interrupting the circuit rapidly in the event of short circuits, overloads, or equipment faults. This proactive measure helps prevent damage to valuable DC components and reduces the risk of electrical fires, ensuring system integrity and safety. Common Questions What is a MEGA fuse used for? MEGA fuses are designed for high-current DC circuit protection, commonly found in applications such as solar power systems, marine vessels, recreational vehicles, and industrial equipment to protect batteries, inverters, and other high-amperage components. How do I choose the correct fuse rating? The fuse rating should be selected based on the maximum continuous current draw of the circuit it protects, typically sized slightly higher than the normal operating current but lower than the maximum current rating of the cable and connected equipment. Always consult the equipment manuals for recommended fuse specifications. Is this fuse suitable for 12V, 24V, or 48V systems? Yes, with a maximum voltage rating of 80V DC, this Victron Energy MEGA fuse is suitable for common 12V, 24V, and 48V DC systems, provided the 80A current rating is appropriate for the specific circuit you intend to protect. Does this fuse come with a fuse holder? No, the Victron Energy MEGA fuse is sold individually and requires a separate, compatible MEGA fuse holder for proper installation. Fuse holders are available from Victron Energy and other manufacturers. Installation Notes Professional Installation Recommended: For safety and optimal performance, installation should be performed by a qualified electrician or solar professional, adhering to all relevant electrical safety standards and regulations. Use Compatible Fuse Holder: Always install this MEGA fuse into a fuse holder specifically designed for MEGA fuses and rated for the appropriate current and voltage. Verify System Voltage: Ensure that the maximum operating voltage of your DC system does not exceed the fuse's 80V rating. Correct Circuit Sizing: Confirm the fuse rating is correctly matched to the cable size and the maximum current draw of the connected equipment to provide effective protection. Before You Buy Verify Current Requirements: Accurately determine the continuous and peak current draw of your DC system to select the appropriate fuse rating. Check System Voltage: Confirm your system's maximum voltage is within the 80V limit of this fuse. Compatible Fuse Holder: This fuse requires a specific MEGA fuse holder (sold separately) for proper installation. Consult Equipment Manuals: Refer to the manuals of your inverter, charge controller, and other DC equipment for recommended fuse specifications and safety guidelines. Specifications are based on manufacturer data and are subject to change. Always verify compatibility and requirements before purchase.
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