- Rated up to 32V DC
- Meets or exceeds OEM and SAE standards.
- Used in most domestic and imported cars.
- Applications: Cars, Trucks, SUVs, Off-road Vehicles, Buses, Watercraft as approved by Littelfuse
- Color coding indicates amperage rating
- High-contrast ampere stamps on housings aid identification
- See-through housings make it easier to see when fuses blow
- Checkpoints on top make it possible to measure resistance without removing the fuse
- Terminal Material: Tin Plated
- Housing Material: PA66 (UL 94 Flammability rating of V-2)
- Recommended Temperature: 257°F (125°C) to -40°F (-40°C)
- Meets or exceeds SAE J1284, OEM, RoHS, UL AU1410, ISO 8820-3, CSA No.29862.
Littelfuse ATO® Blade Fuses – 1A to 40A
ATO® blade fuses are standard-sized fuses widely used in automotive, marine, and various other electrical applications requiring circuit protection. These fuses are typically mounted in fuse holders, fuse blocks, or panels to provide reliable defense against overcurrent situations. Available in amperages ranging from 1 to 40 amps, each ATO® fuse features standard color coding for easy identification and installation. These fuses are ideal for protecting circuits in vehicles, boats, and other systems where dependable circuit protection is essential to prevent electrical damage.
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Same-Day Shipping
Most orders placed before 1:00 PM PST on business days ship same day from our California warehouse. Expedited overnight and 2-day options available at checkout.
Free Delivery
Take advantage of free standard shipping on orders over $100. Only available for shipping addresses in the Contiguous United States.
Returns & Warranty
We offer a 30-day return policy for unused items in original packaging. Manufacturer warranties apply to all products.
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Our USA-based technical team can help you size your system. Mon-Fri 7:30AM to 4:00PM PST.
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