Alvolta 300A Battery Terminal Fuse (MRBF)

Alvolta 300A Battery Terminal Fuse (MRBF)

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Ignition-protected battery terminal fuse for systems up to 58 V

$ 14.95 - Inc GST 14.95 AUD $ 14.95 Tax Included

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Category: Fuse

Alvolta 300 A Battery Terminal Fuse

Features

300 A
Ignition protected
Suitable for systems up to 58 V
Secure bolt-in connection
Corrosion-resistant connector blades
Power distribution protection
Compact size
Colour-coded for each amperage
'Blown fuse' window
Perfect for fusing dual battery systems

Where to use it

These fuses are designed to connect as close as possible to the positive terminal of a battery to protect the wiring from overcurrents and short circuits.

Pair with

These fuses pair best with an Alvolta Battery Terminal Fuse Holder.

Fuse Guides

Dimensions

Length	27.8 mm
Width	23 mm
Depth	16.3 mm
Weight	0.09 kg

Safety certifications

SAE J1171

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_ALV-BTF300_V1_compressed.pdf

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A battery terminal fuse (also known as a fuse link or terminal-mounted fuse) is a high-current protection device that mounts directly onto a battery post. It provides the first line of protection between the battery and your vehicle or auxiliary electrical system.

Battery terminal fuses protect against short circuits and overcurrent faults that could otherwise cause wiring damage or fire. Because they’re mounted at the source (directly on the battery terminal) they ensure your system is protected from the very start of the power line.

They’re commonly used in 4WDs, caravans, campers, and marine systems where compact and direct protection is required. They’re perfect for protecting DC-DC chargers, inverters, lithium batteries, and solar charge controllers.

Battery terminal fuses mount directly onto the positive battery post using a compatible fuse holder. Connect your power cable to the other side of the holder, ensuring a tight, corrosion-free connection. Always disconnect the battery before installation for safety.

Choose a fuse that matches the maximum continuous current of your connected load, ensuring it’s within the limits of both the cabling and the device being protected. For example, a 100A inverter circuit might use a 125A or 150A fuse. Refer to your equipment manufacturer’s recommendations for accurate sizing.

Product Specifications

Amperage	300 A
Voltage	58 V DC
Interrupting Capacity	10,000 A at 14 V, 5,000 A at 32 V, 2,000 A at 58 V DC
Housing Material	Translucent Plastic
Terminal	Metal
Compliance	SAE J1171
Dimensions	27.8 x 23 x 16.3 mm
Weight	0.09 kg
Warranty	3 Years