Eaton GMA-10-R - 10 A Fast-Blow Glass Fuse 125 Vac
Eaton GMA-10-R - 10 A Fast-Blow Glass Fuse 125 Vac

Eaton GMA-10-R - 10 A Fast-Blow Glass Fuse 125 Vac

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pEaton GMA-10-R — 10 A, 125 V, fast-acting glass cartridge fuse, 200 A at 125 Vac interrupting./p
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    Eaton GMA-10-R - 10 A Fast-Blow Glass Fuse 125 Vac

    The GMA-10-R from Eaton carries 10 A, rated 125 Vac, uses a fast-acting element, in a glass body.

    Technical Data

    ParameterRating
    Part numberGMA-10-R
    Voltage rating125 Vac
    Elementsingle element
    BodyGlass tube, 5 x 20 mm
    Maximum voltage drop110 mV
    Rated current10 A
    End capssilver-plated brass 63-315 mA, nickel-plated 500 mA-15 A
    Typical melting I2t280 A²s
    AC interrupting rating200 A at 125 Vac
    Design standardUL/CSA 248-14
    Typical DC cold resistance0.006 Ω
    Breaking capacity35 A at 250 Vac up to 3 A, 10,000 A at 125 Vac, 150-200 A above 6 A

    Practical Notes

    • Interrupting capability is 200 A at 125 Vac — 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.
    • Glass body lets you inspect the element after a fault.
    • Best kept for lower fault-current circuits where visual diagnosis matters.
    • Working voltage must stay at or below 125 Vac; a lower-rated part is not a safe substitute.
    • Do not upsize beyond 10 A to stop nuisance trips — fix the cause instead.

    Application Scenarios

    Common installation contexts include:

    • EV

    Questions and Answers

    What are the ratings of the GMA-10-R?

    10 A continuous at 125 Vac, interrupting rating 200 A at 125 Vac.

    Is the GMA-10-R fast-acting or time-delay?

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

    Can the GMA-10-R be used on a higher fault-current circuit?

    No — its interrupting rating is 200 A at 125 Vac. Choose a part whose breaking capacity exceeds the prospective fault current.

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