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The EATON DIA-1 is a Bussmann-series ATC blade fuse diagnostic kit that combines a curated fuse assortment with a dedicated fuse tester and puller tool in a single pack. The kit includes one each of ATC-5, ATC-10, ATC-15, ATC-20, ATC-25, and ATC-30 fuses, plus the FT-3 diagnostic tester and puller. All fuses in this kit are rated for use in systems up to 32 volts DC. Automotive electricians, marine technicians, and electronics service pros keep this kit on hand for fast fuse diagnosis and swap-out during service calls without digging through a loose assortment.
This kit is suited for automotive, marine, and general electronic applications where standard ATC blade fuses are used. The included amperage range covers the most common fuse slots found in vehicle fuse panels, boat electrical systems, and low-voltage electronic enclosures. The FT-3 tester allows a technician to check a fuse for continuity while it remains in the socket, cutting diagnostic time on electrical faults. The assortment format makes it practical as a service truck stocking item or a bench-level troubleshooting kit.
Designed for automotive, marine, and electronic applications that use standard ATC blade fuses in circuits up to 32 volts DC.
Fuse replacement and circuit diagnosis on low-voltage automotive and marine systems should be performed with the ignition off and, where applicable, the battery disconnected or the relevant circuit de-energized. Use the FT-3 puller to remove fuses without prying, which can damage fuse holders. Always replace a blown fuse with one of the same amperage rating — upsizing a fuse to clear a repeated fault masks an underlying wiring or load problem. Electrical service on marine and vehicle systems is typically performed by automotive or marine electricians following applicable vehicle manufacturer and ABYC guidelines.
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