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MEGA-fuse 300A/32V — is a powerful fusible protective element for DC (direct current) systems, providing uncompromising safety for Victron Energy equipment. In the event of a short circuit or prolonged overload of up to 300 amps, the fuse instantly opens the circuit (voltage limit 32 Volts, suitable for 12 and 24V).
Indispensable when designing protection for inverters, energy storage systems, busbars, and charging installations, where response speed and reduced contact resistance come first.
Important Advantages of the MEGA Type Fuse
- Operating amperage: 300 A, allowable voltage up to 32 V
- Ultra-low resistance: only 0.17 mOhm, which prevents excessive heating
- Voltage drop at 80 mV - excellent operational performance
- Instant isolation of the problem area during short circuits
- Universal MEGA standard — easily installed in most mounting blocks
- Simple integration and modest dimensions
- Certification by Victron engineers - a guarantee of stable joint operation with branded devices
Features and Specifications
- Fusible mechanism of action — the element breaks down under dangerous currents, saving the lives of battery blocks and inverters.
- Ultra-low cold resistance (0.17 mOhm) — easily withstands sharp starting current surges
- Selective protection support — allows constructing complex cascaded safety schemes
Recommended Application Scenarios
- Ensuring the safety of battery banks (12 or 24 Volts)
- Working in pair with powerful Victron inverters (MultiPlus/Quattro)
- Protection of distribution boards and thick cables
- Shipbuilding (yachts, boats) — reliable protection in a compact form
- Camper vans and special transport with high energy consumption
Useful Components
MEGA Fuse Holder - holder for rigid mechanical fastening
DC Distribution 250 - ready-made direct current distributor with a MEGA compartment
BatteryProtect - automatic barrier against battery over-discharge
Victron Smart Battery Shunt - device for monitoring ultra-high currents (up to 1000 A)