Blue Sea Systems 250A battery terminal fuse in beige with blown-indicator for DC main protection
Blue Sea Systems 250A battery terminal fuse in beige with blown-indicator for DC main protection

Blue Sea Systems 5189 Battery Terminal Fuse 250A – Beige | DC Main Circuit Protection

OverviewThe Blue Sea Systems 5189 Battery Terminal Fuse provides essential protection for large battery banks on both...
Vendor: Blue Sea Systems
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£26.79
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Blue Sea Systems 250A battery terminal fuse in beige with blown-indicator for DC main protection

Blue Sea Systems 5189 Battery Terminal Fuse 250A – Beige | DC Main Circuit Protection

£26.79
Blue Sea Systems 250A battery terminal fuse in beige with blown-indicator for DC main protection

Blue Sea Systems 5189 Battery Terminal Fuse 250A – Beige | DC Main Circuit Protection

£26.79
Description
Description
x

Overview

The Blue Sea Systems 5189 Battery Terminal Fuse provides essential protection for large battery banks on both recreational and commercial vessels. Sold as a single 250A unit in a beige housing, it’s designed to work with the recommended terminal fuse blocks and should not be mounted directly to a battery terminal. This configuration supports robust DC main circuit protection while offering clear visibility when the fuse has blown.

Key specifications at a glance

  • Pack of 1 fuse rated at 250A, maximum voltage 58V DC
  • Visible blown-condition indicator for quick status checks
  • 10,000 AIC at 14V DC, aligning with ABYC requirements for DC main circuit protection on larger battery banks
  • 1,000 A interrupt capacity
  • Ignition protected and IP66 rated, suitable for demanding marine environments
  • Requires Terminal Fuse Blocks PN 5191 or PN 2151; do not mount the fuse directly to the battery terminal

Installation and use cases

Engineered for marine electrical systems, this fuse is ideal where a strong main-circuit safeguard is needed for substantial battery arrays. It pairs with the specified fuse blocks to ensure a secure, accessible installation. The visible indicator helps during routine inspections or before departure, so you can quickly confirm fuse health without specialized tools.

Why choose this fuse

Expect reliable protection for DC power systems on boats and other vessels, with compatibility for standard marine fuse blocks, rugged construction, and an electrical interface designed to stand up to marine conditions. While outcomes depend on the broader system, this component supports safer electrical practices and clearer maintenance routines when integrated into a complete protection strategy.

Care and handling

Follow manufacturer guidelines for storage and installation. Avoid prolonged direct sun exposure and ensure proper torque, routing, and clearance to prevent strain on terminals. Always use the recommended fuse blocks to maintain correct electrical interfaces.

FAQ

Q: What is the main use of the Blue Sea Systems 5189 Battery Terminal Fuse?

A: Provides 250A DC main circuit protection for large battery banks when paired with PN 5191 or PN 2151 fuse blocks.

Q: Are there installation considerations I should know?

A: Do not mount directly to the battery terminal; use the specified fuse blocks and note its ignition protection and IP66 marine rating.

Shipping & Return
Shipping & Return
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Returns Policy

You may return most new, unopened items within 30 days of delivery for a full refund. We'll also pay the return shipping costs if the return is a result of our error (you received an incorrect or defective item, etc.).

You should expect to receive your refund within four weeks of giving your package to the return shipper, however, in many cases you will receive a refund more quickly. This time period includes the transit time for us to receive your return from the shipper (5 to 10 business days), the time it takes us to process your return once we receive it (3 to 5 business days), and the time it takes your bank to process our refund request (5 to 10 business days).

If you need to return an item, simply login to your account, view the order using the "Complete Orders" link under the My Account menu and click the Return Item(s) button. We'll notify you via e-mail of your refund once we've received and processed the returned item.

Shipping

We can ship to virtually any address in the world. Note that there are restrictions on some products, and some products cannot be shipped to international destinations.

When you place an order, we will estimate shipping and delivery dates for you based on the availability of your items and the shipping options you choose. Depending on the shipping provider you choose, shipping date estimates may appear on the shipping quotes page.

Please also note that the shipping rates for many items we sell are weight-based. The weight of any such item can be found on its detail page. To reflect the policies of the shipping companies we use, all weights will be rounded up to the next full pound.

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