Home / Boating & Marine / Marine Electrical / Fuses & Circuit Breakers / Blue Sea Systems 5243BSS ATO/ATC Fuse – 20 Amp Blade Fuse for Marine and Automotive Electrical Protection
(0 customer reviews)

Shop Blue Sea Systems 5243BSS 20A ATO/ATC blade fuse for protecting marine, RV, trailer, and automotive electrical circuits from overloads.

Blue Sea Systems 5243BSS ATO/ATC Fuse – 20 Amp Blade Fuse for Marine and Automotive Electrical Protection

39 in stock

$15.06

39 in stock

Product Highlights

20 amp fuse rating | ATO/ATC blade fuse | Fast-acting protection | Marine-grade materials | Plug-in fuse design | Circuit overload safety
20 amp capacity – Protects medium-current electrical accessories | Fast-acting fuse – Helps reduce overload and short-circuit damage | Standard blade design – Fits common ATO/ATC fuse panels | Marine-grade construction – Suitable for harsh mobile environments | Plug-in replacement – Simplifies electrical maintenance tasks
Secure Checkout With
UPC: 632085052430
SKU: 632085052430 Category: Brand:

Description

Blue Sea Systems 5243BSS is a 20 amp ATO/ATC blade fuse designed to provide dependable circuit protection for marine, RV, trailer, and automotive electrical systems. The fast-acting fuse helps prevent wiring and equipment damage caused by overloads and short-circuit conditions in onboard accessory circuits. || The compact blade-style format allows quick plug-in installation into compatible fuse blocks and electrical panels commonly found in boats, campers, utility trailers, trucks, and off-grid power systems. The fuse is suitable for lighting circuits, electronics, pumps, fans, and accessory power applications. || Built with corrosion-resistant materials for use in harsh mobile environments, the 5243BSS delivers reliable electrical safety performance under vibration and moisture exposure. Blue Sea Systems engineered the fuse for long-term durability and simplified maintenance access during routine electrical service.

Additional information

Brand

Blue Sea Systems

Model

ATO/ATC Fuse

MPN

5243BSS

Product Type

Blade fuse

Material

Plastic and metal

Finish Color

Yellow

Dimensions

Standard ATO

Weight (lb)

Not Published

Load Capacity

20A

Drawer Count

Not Published

Drawer Type

Not Published

Lock Type

Not Published

Mount Type

Fuse block

Installation

Plug-in install

Compatibility

ATO/ATC holders

Use Case

Circuit protection

Warranty

Limited lifetime

Country of Origin

United States

Series

ATO/ATC Fuse

UPC

632085052430

Reviews

There are no reviews yet.

Be the first to review “Blue Sea Systems 5243BSS ATO/ATC Fuse – 20 Amp Blade Fuse for Marine and Automotive Electrical Protection”

Your email address will not be published. Required fields are marked *

Deliver in 3-5 business days

30 days return policy

Secure Payment at checkout

We are always here.

Your trusted source for premium outdoor gear and equipment.

Store Location

98 Tompkins AveBrooklyn, NY 11206

+1-(929) 277-2112‬

Subscribe to our Newsletter for exclusive offers, company news and events.

Subscription Form

© 2026 Sports and Wheels