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Eaton Bussmann · Electrical & Lighting
FUSE40
In stock · ships from Knoxville
This is a standard ATC blade fuse rated at 40 amps, commonly used in automotive and heavy-duty truck electrical systems.
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Verified fitment for 4 applications
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All confirmed applications for this part number.
Other applications
Other applications
Standard ATC footprint fits most fuse holders designed for ATC/ATO blade fuses. Confirming that FUSE40 is an internal SKU for a generic 40A ATC fuse, directly interchangeable with Eaton Bussmann ATC-40.
Part data verified against 5 catalog sources
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It protects wiring and components by blowing (opening) if current exceeds the rated 40A, preventing damage from overloads or short circuits. The orange color-coding indicates its 40A rating per industry standards. You replace it when the old fuse has blown, often due to a circuit fault or component failure.
Part Number: FUSE40
ATC 40AMP FUSE
Unit: ea
Dealer: Post Onsite
Compatibility, alternatives, and more
Parts commonly needed alongside electrical & lighting