Eaton S501-8-R 8 A Fuse 250 Vac Quick-Blow (5 x 20 mm)
Eaton S501-8-R 8 A Fuse 250 Vac Quick-Blow (5 x 20 mm)

Eaton S501-8-R 8 A Fuse 250 Vac Quick-Blow (5 x 20 mm)

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pEaton S501-8-R — 8 A, 250 V, fast-acting fuse, 5 x 20 mm, 1,500 A at 250 Vac interrupting./p
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    Eaton S501-8-R 8 A Fuse 250 Vac Quick-Blow (5 x 20 mm)

    Built by Eaton, the S501-8-R carries 8 A, rated 250 Vac, measuring 5 x 20 mm.

    Technical Data

    ParameterRating
    Part numberS501-8-R
    Typical melting I2t104 A²s
    Maximum voltage drop102 mV
    AC interrupting rating1,500 A at 250 Vac
    Design standardIEC 60127-2
    Typical DC cold resistance0.009 Ω
    Breaking capacity1,500 A at 250 Vac across the whole range
    Elementsingle element
    End capssilver-plated 50-400 mA, nickel-plated 500 mA-10 A
    BodyCeramic tube, 5 x 20 mm
    Voltage rating250 Vac
    Rated current8 A

    Selection Notes

    • Interrupting capability is 1,500 A at 250 Vac — confirm the circuit's prospective fault current stays below this.
    • Footprint 5 x 20 mm — check clip or holder compatibility before substitution.
    • Working voltage must stay at or below 250 Vac; a lower-rated part is not a safe substitute.
    • Do not upsize beyond 8 A to stop nuisance trips — fix the cause instead.

    Typical Applications

    Engineers usually specify it for these duties:

    • EV

    Q&A

    What are the ratings of the S501-8-R?

    8 A continuous at 250 Vac, interrupting rating 1,500 A at 250 Vac.

    What size is the S501-8-R?

    It measures 5 x 20 mm. Match the holder or clip to this footprint.

    Can the S501-8-R be used on a higher fault-current circuit?

    No — its interrupting rating is 1,500 A at 250 Vac. Choose a part whose breaking capacity exceeds the prospective fault current.

    Shenzhen Gaorunxin Technology Co., Ltd

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