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Eaton 6125FA2.5A - 2.5 A Quick-Blow Ceramic Fuse 125 Vac
Eaton 6125FA2.5A - 2.5 A Quick-Blow Ceramic Fuse 125 Vac

Eaton 6125FA2.5A - 2.5 A Quick-Blow Ceramic Fuse 125 Vac

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pEaton 6125FA2.5A — 2.5 A, 125 V, fast-acting ceramic cartridge fuse, 50 A at 125 Vac; 300 A at 125 Vdc; 10,000 A at 86 Vdc interrupting./p
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    Eaton 6125FA2.5A - 2.5 A Quick-Blow Ceramic Fuse 125 Vac

    Built by Eaton, the 6125FA2.5A carries 2.5 A, rated 125 Vac / 125 Vdc / 86 Vdc, in a ceramic body.

    Technical Data

    ParameterRating
    Part number6125FA2.5A
    Ordering codeTR2/6125FA2.5A
    Packaging5,000 pcs on 12 mm tape-and-reel, 13 in (330 mm) reel, EIA-481
    Agency approvalCSA component acceptance 053787 C 000, Class 1422-30; UL Recognition Guide JDYX2, File E19180
    Typical voltage drop0.14 V
    Design standardEIA/IS-722
    Terminationsnickel/silver plated end terminations, solder immersion compatible
    Typical cold resistance0.038 Ω
    Interrupting rating50 A at 125 Vac; 300 A at 125 Vdc; 10,000 A at 86 Vdc
    Typical melting I2t1.4 A²s
    Package6.3 x 2.5 mm (2410 imperial / 6125 metric)
    Rated current2.5 A
    Voltage rating125 Vac / 125 Vdc / 86 Vdc

    Selection Notes

    • Interrupting capability is 50 A at 125 Vac; 300 A at 125 Vdc; 10,000 A at 86 Vdc — confirm the circuit's prospective fault current stays below this.
    • Ceramic body holds higher breaking capacity than glass at the same footprint.
    • It is the usual choice where prospective fault current is high.
    • Working voltage must stay at or below 125 Vac / 125 Vdc / 86 Vdc; a lower-rated part is not a safe substitute.
    • Do not upsize beyond 2.5 A to stop nuisance trips — fix the cause instead.

    Typical Applications

    Engineers usually specify it for these duties:

    • EV

    Part Number and Packing

    Order code 6125FA2.5A from Eaton, supplied in 6.3 x 2.5 mm (2410 imperial / 6125 metric). Confirm the exact suffix before release.

    Q&A

    What are the ratings of the 6125FA2.5A?

    2.5 A continuous at 125 Vac / 125 Vdc / 86 Vdc, interrupting rating 50 A at 125 Vac; 300 A at 125 Vdc; 10,000 A at 86 Vdc.

    Can the 6125FA2.5A be used on a higher fault-current circuit?

    No — its interrupting rating is 50 A at 125 Vac; 300 A at 125 Vdc; 10,000 A at 86 Vdc. Choose a part whose breaking capacity exceeds the prospective fault current.

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