Eaton AGC-1/8-R 125 mA Fast-Blow Fuse - 1/4 x 1-1/4 in, 250 Vac

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pEaton AGC-1/8-R — 125 mA, 250 V, fast-acting fuse, 35 A at 250 Vac; 10,000 A at 125 Vac; 1,000 A at 32 Vac interrupting./p

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250V Fuse Eaton Fuse Fast-Acting Fuse Glass Tube Fuse 125mA Fuse

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Eaton AGC-1/8-R 125 mA Fast-Blow Fuse - 1/4 x 1-1/4 in, 250 Vac

The AGC-1/8-R from Eaton carries 125 mA, rated 250 Vac, uses a fast-acting element.

Technical Data

Parameter	Rating
Part number	AGC-1/8-R
Element	single element
Typical DC cold resistance	10.825 Ω
Typical voltage drop	10.854 V
Body	Glass tube, 1/4 x 1-1/4 in (6.3 x 32 mm)
AC interrupting rating	35 A at 250 Vac; 10,000 A at 125 Vac; 1,000 A at 32 Vac
Design standard	UL 248-14
Typical melting I2t	0.002 A²s
Voltage rating	250 Vac
End caps	nickel-plated brass
Rated current	125 mA (1/8 A)

Practical Notes

Interrupting capability is 35 A at 250 Vac; 10,000 A at 125 Vac; 1,000 A at 32 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.
Working voltage must stay at or below 250 Vac; a lower-rated part is not a safe substitute.
Do not upsize beyond 125 mA to stop nuisance trips — fix the cause instead.

Application Scenarios

Common installation contexts include:

EV

Questions and Answers

What are the ratings of the AGC-1/8-R?

125 mA continuous at 250 Vac, interrupting rating 35 A at 250 Vac; 10,000 A at 125 Vac; 1,000 A at 32 Vac.

Is the AGC-1/8-R fast-acting or time-delay?

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

Can the AGC-1/8-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; 1,000 A at 32 Vac. Choose a part whose breaking capacity exceeds the prospective fault current.

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