Skip to product information
1 of 1
1 product view Open images for a closer look Compare photos with product details

Blue Sea Systems

Blue Sea Systems 5243 ATO/ATC Fuse, 20A

Blue Sea Systems 5243 ATO/ATC Fuse, 20A

SKUCT-100410

Regular price $2.85
Regular price Sale price $2.85
Sale Sold out
Shipping calculated at checkout.
Shipping rewards at $100 U.S. orders of $100 or more get free standard shipping, plus $10 off Expedited and Overnight.

In stock

Quantity
Use the Tug & Tow SKUInclude this SKU when you contact us about fit, availability, or reorders.
Delivery shown at checkoutShipping options, final costs, and delivery estimates appear before payment.
Check fit before orderingReview dimensions, part numbers, model details, and compatibility notes.
Confirm the details before checkoutFit can depend on your boat, RV, trailer, vehicle, or equipment. Contact us before ordering if compatibility is critical.Ask a product question

Product details

Review the details before ordering.

Safeguard your critical electronic systems with the Blue Sea Systems 5243 ATO/ATC Fuse. Engineered for fast-acting protection, this fuse is ideal for automotive, marine, and other DC electrical applications, ensuring your devices remain safe from overcurrents. Its tin-plated blades offer superior corrosion resistance for reliable connections in demanding environments. Protect your investment and ensure optimal electrical safety.

Key Benefits:

  • Fast-Acting Protection: Quickly interrupts electrical circuits during overloads or short circuits, safeguarding sensitive electronics.
  • Corrosion-Resistant Connection: Features tin-plated connector blades that resist corrosion, ensuring a secure and reliable contact even in harsh conditions.
  • Visible Blown Indication: Provides a clear visual cue when the fuse has blown, simplifying troubleshooting and maintenance.
  • Standard Compatibility: Designed as a standard ATO/ATC fuse, making it compatible with a wide range of automotive and marine fuse holders.
  • DC System Ready: Rated for up to 32V DC, suitable for most automotive, truck, and boat electrical systems.
  • Package Convenience: Sold in a pack of two, providing a spare for immediate replacement needs.

Specifications:

  • Amperage Rating: 20A
  • Voltage Rating: 32V DC Maximum
  • Fuse Type: ATO/ATC
  • Action: Fast-Acting
  • Material: Tin-plated connector blades
  • Indicator: Visible blown condition
  • Package Quantity: 2 fuses
  • Country of Origin: China

WARNING: This product can expose you to chemicals including di(2-ethylhexyl)phthalate (dehp) which is known to the State of California to cause cancer, birth defects or other reproductive harm. For more information go to P65Warnings.ca.gov.

Shipping & returns

Shipping methods, delivery estimates, and final costs appear at checkout before payment. Some bulky, supplier-shipped, or special-handling items may ship separately. See Shipping & Returns for return windows and eligibility.

Fit & compatibility

Review the product title, description, images, dimensions, part numbers, and manufacturer details before purchase. For fit-sensitive items, confirm compatibility with your boat, RV, trailer, vehicle, or equipment.

Need help choosing?

Send us the product link or SKU, plus details about your boat, RV, trailer, vehicle, or project. We will help you narrow down the right option when product fit is not obvious.

View full details