Alvolta AMG/Mega 500A Fuse

$ 8.34 - Inc GST 8.34 AUD $ 13.90

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BrisbaneIn stock

SKU: AMG500

Category: Circuit Protection , Fuse & Fuse Holder , Fuse , Distribution

Features

500 A
Premium tin-plated copper
Suitable for systems up to 48 V
Secure bolt-in connection
Power distribution protection
Compact size
Maximum voltage rating 80 V
Bolt-down design copper terminals

Where to use it

These fuses are designed for high-current applications, which makes them ideal for battery and alternator connectors and other heavy-gauge cables requiring ultra-high protection.

Pair with

These fuses pair best with an Alvolta AMG/Mega Fuse Holder.

Fuse Guides

Dimensions

Length	68 mm
Width	19 mm
Depth	10 mm
Weight	0.03 kg

Safety certifications

ISO 8820-5
GB/T31465.5
UL284

Applications

Marine

RV's

Caravans

Off-Grid Systems

Tiny Houses

Cabins

About Alvolta

Australian-owned and operated and driven by a passion for excellence, Alvolta offers unwavering performance and durability even in harsh Australian conditions. Alvolta specialises in precision-engineered DC components, designed to enhance off-grid adventures. Their commitment to delivering superior power performance with uncompromising quality is evident in their lineup of solar panels, solar charge controllers, circuit protection devices, mounting solutions, tools, and more. Supply yourself with all the arsenal you need to extend your power supply and adventure for longer with Alvolta.

Datasheet_AMG500_V2_compressed.pdf

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AMG (also known as Mega) fuses are high-current fuses designed to protect heavy-duty electrical systems from overloads and short circuits. They’re commonly used in 12V and 24V DC applications such as dual battery systems, inverters, DC-DC chargers, and other high-amperage accessories found in 4WDs, caravans, camper trailers, and boats.

AMG and Mega fuses are the same type of fuse and the terms are often used interchangeably. Both feature bolt-down terminals, high current ratings (typically 40A–500A), and a compact design for easy installation in fuse blocks or holders. The naming difference usually depends on the manufacturer rather than a technical variation.

Select a fuse rated slightly higher than your circuit’s maximum continuous current draw, but below the current rating of your wiring and connected components. For example, if your inverter draws 120A, you’d typically use a 150A fuse. Always ensure your cable size and fuse rating match to prevent overheating or nuisance tripping.

Yes, AMG/Mega fuses can be used in marine and outdoor setups, but it’s essential to install them in a weatherproof fuse holder or sealed fuse block to protect against moisture, salt, and dust. Many 4WD and marine systems use AMG/Mega fuses because they provide reliable, high-current protection in harsh conditions when properly enclosed.

Before replacing an AMG/Mega fuse, always disconnect the power source (battery or power supply) to prevent arcing or injury. Use a wrench to loosen the mounting bolts, remove the old fuse, and install the new one with secure, clean connections. Double-check that the replacement fuse matches the correct amperage rating and is properly seated in its holder.

Product Specifications

Amperage	500 A
Voltage Rating	>80 V DC
Interrupting Voltage	2000 A at 80 V DC
Typical Voltage Drop	110 mV
Mounting Torque	11-12 N.m
Housing Material	Ceramic
Terminal	Copper Alloy
Operating Temperature	-40°C to +125°C
Colour	Silver
Compliance	ISO 8820-5 / GB/T31465.5 / UL284
Dimensions	68 x 19 x 10 mm
Weight	0.03 kg
Warranty	3 years

Alvolta AMG/Mega 500A Fuse

$ 8.34 - Inc GST 8.34 AUD $ 13.90

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