GRX Technology Co, Ltd
Eaton ABC-1/4-R 250 mA 250 Vac Fast-Acting Ceramic Fuse
Eaton ABC-1/4-R 250 mA 250 Vac Fast-Acting Ceramic Fuse

Eaton ABC-1/4-R 250 mA 250 Vac Fast-Acting Ceramic Fuse

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pEaton ABC-1/4-R — 250 mA, 250 V, fast-acting ceramic cartridge fuse, 35 A at 250 Vac; 10,000 A at 125 Vac; 10,000 A at 125 Vdc interrupting./p
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    Eaton ABC-1/4-R 250 mA 250 Vac Fast-Acting Ceramic Fuse

    The ABC-1/4-R from Eaton carries 250 mA, rated 250 Vac, uses a fast-acting element, in a ceramic body.

    Technical Data

    ParameterRating
    Part numberABC-1/4-R
    Voltage rating250 Vac
    End capsnickel-plated brass
    Typical melting I2t0.002 A²s
    Rated current250 mA (1/4 A)
    Typical voltage drop0.35 V
    Voltage rating, DC125 Vdc
    BodyCeramic tube, 1/4 x 1-1/4 in (6.4 x 31.7 mm)
    AC interrupting rating35 A at 250 Vac; 10,000 A at 125 Vac; 10,000 A at 125 Vdc
    Elementsingle element
    Design standardUL 248-14
    Typical DC cold resistance2.95 Ω

    Practical Notes

    • Interrupting capability is 35 A at 250 Vac; 10,000 A at 125 Vac; 10,000 A at 125 Vdc — confirm the circuit's prospective fault current stays below this.
    • Fast element suits resistive and semiconductor loads rather than motors with high inrush.
    • Because it opens within milliseconds, downstream semiconductors see less let-through energy.
    • 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 250 Vac; a lower-rated part is not a safe substitute.
    • Do not upsize beyond 250 mA to stop nuisance trips — fix the cause instead.

    Application Scenarios

    Common installation contexts include:

    • EV
    • power supply
    • transformer

    Questions and Answers

    What are the ratings of the ABC-1/4-R?

    250 mA continuous at 250 Vac, interrupting rating 35 A at 250 Vac; 10,000 A at 125 Vac; 10,000 A at 125 Vdc.

    Is the ABC-1/4-R fast-acting or time-delay?

    It is fast-acting. Expect it to open quickly on overload.

    Can the ABC-1/4-R be used on a higher fault-current circuit?

    No — its interrupting rating is 35 A at 250 Vac; 10,000 A at 125 Vac; 10,000 A at 125 Vdc. Choose a part whose breaking capacity exceeds the prospective fault current.

    Shenzhen Gaorunxin Technology Co., Ltd

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    Shenzhen Gaorunxin Technology Co., Ltd

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