What amperages are available in the Blue Sea Systems ANL Fuse line?

This ANL fuse line is offered in 50A, 200A, 250A, and 300A ratings to match a range of marine DC circuit loads.

How do I pick the right amperage for my circuit?

Choose the amperage that protects the wire gauge in your circuit rather than just matching the connected load, following ABYC wire and fuse sizing guidance or your equipment manufacturer's spec.

What voltage is this ANL fuse rated for?

All fuses in this line carry a 32 volt rating, consistent with standard marine 12V and 24V DC electrical systems.

How can I tell if the fuse has blown?

Each fuse provides visible indication of a blown condition, so you can identify a tripped fuse without removing it to test continuity.

What is this ANL fuse made of?

The housing is constructed of durable plastic, marine-suitable for use in fuse blocks and holders.

How does this fuse mount in a fuse holder?

It uses a through-hole mount design, allowing it to be bolted directly into a compatible ANL fuse block or holder.

Can I substitute a higher amperage fuse than my circuit requires?

No. Using a higher amperage fuse than the wire gauge is rated for removes the wire's overcurrent protection and can create a fire risk.

Is one fuse per package, or do they come in multi-packs?

Each SKU in this line ships as a single fuse (pack quantity of 1).

Blue Sea Systems ANL Fuse - 50A to 300A

Blue Sea Systems ANL Fuse - Marine DC Battery Fuse, Available in 50A to 300A

$34.35

The Blue Sea Systems ANL Fuse line delivers reliable overcurrent protection for high-amperage marine DC circuits, including battery banks, inverter feeds, and main power distribution runs. Built with a durable plastic housing and a through-hole mounting design, each fuse drops into a compatible ANL fuse block or holder for a secure, vibration-resistant connection. A visible blown-fuse indicator lets you spot a tripped fuse at a glance, without pulling it for a continuity check. Rated to 32 volts DC, this fuse family covers the amperage range boaters need for everything from moderate house-bank circuits to heavy inverter and windlass loads.

Specifications

Brand: Blue Sea Systems
Voltage Rating: 32 Volts DC
Material: Plastic
Mounting Type: Through-Hole Mount
Blown-Fuse Indication: Yes
Pack Quantity: 1

Sizes & Options

This ANL fuse is available in four amperage ratings: 50A, 200A, 250A, and 300A. Match the fuse amperage to the wire gauge and the maximum continuous load of the circuit it protects, per ABYC guidance and your equipment manufacturer's recommendations. When in doubt, size the fuse to protect the wire, not just the load, and always replace a blown fuse with the same amperage rating.

Blue Sea Systems ANL Fuse - Marine DC Battery Fuse, Available in 50A to 300A

Specifications

Sizes & Options

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