Alvolta AMG/Mega 150A Fuse

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Tin-plated copper AMG fuse for 12-48V systems

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ALVOLTA

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

SKU: AMG150

Alvolta AMG/Mega 150A Fuse

Fuse features

150A AMG/Mega bolt-in fuse
Suitable for 12-48V systems (rated 80V DC or less)
2000A interrupting rating at 80V DC
Low 110mV typical voltage drop
Premium tin-plated copper alloy terminals

Design features

Ceramic housing for high-current use
Secure bolt-down terminals for high-vibration installs
8.5mm terminal holes to suit M8 studs
Fits Alvolta modular AMG/Mega fuse holders

Where to use it

The Alvolta AMG/Mega 150A Fuse protects heavy-gauge cables in 12, 24 and 48V systems. At 150A it suits DC-DC chargers, solar controllers, inverters up to around 1500W at 12V and battery-to-battery links in 4WDs, caravans, camper trailers, boats, trucks and off-grid setups.

Choose the fuse to protect the cable, not the device: it should be rated at or below the cable's current capacity and above the normal load. Bolt it into an Alvolta AMG/Mega fuse holder mounted as close as possible to the battery or power source, and tighten to 11-12 N.m. It's rated to operate from -40°C to +125°C and is backed by a 1-year warranty.

Dimensions

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

Safety features

Compliant with ISO 8820-5 / GB/T31465.5 / UL284
Ceramic housing

Warranty

1-year warranty

Applications

4WD

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_AMG150_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

Model	AMG150
Amperage	150A
Fuse Type	AMG/Mega bolt-in
Voltage Rating	80 V DC or less
Interrupting Rating	2000 A at 80 V DC
Typical Voltage Drop	110 mV
Mounting Torque	11-12 N.m
Terminal Hole	8.5mm (M8)
Housing Material	Ceramic
Terminal	Tin-plated 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	1 Year