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Eaton AGC-1/4-R 250 mA Fast-Blow 1/4 x 1-1/4 in Glass Fuse
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pEaton AGC-1/4-R — 250 mA, 250 V, fast-acting glass cartridge fuse, 35 A at 250 Vac; 10,000 A at 125 Vac; 1,000 A at 32 Vac interrupting./p
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Eaton AGC-1/4-R 250 mA Fast-Blow 1/4 x 1-1/4 in Glass Fuse
Built by Eaton, the AGC-1/4-R carries 250 mA, rated 250 Vac, uses a fast-acting element, in a glass body.
Technical Data
| Parameter | Rating |
|---|---|
| Part number | AGC-1/4-R |
| Rated current | 250 mA (1/4 A) |
| Typical voltage drop | 0.984 V |
| Design standard | UL 248-14 |
| Typical melting I2t | 0.016 A²s |
| AC interrupting rating | 35 A at 250 Vac; 10,000 A at 125 Vac; 1,000 A at 32 Vac |
| End caps | nickel-plated brass |
| Element | single element |
| Typical DC cold resistance | 1.55 Ω |
| Body | Glass tube, 1/4 x 1-1/4 in (6.3 x 32 mm) |
| Voltage rating | 250 Vac |
Selection 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.
- 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 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.
Typical Applications
Engineers usually specify it for these duties:
- EV
- power supply
- transformer
Q&A
What are the ratings of the AGC-1/4-R?
250 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-1/4-R fast-acting or time-delay?
It is fast-acting. Expect it to open quickly on overload.
Can the AGC-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; 1,000 A at 32 Vac. Choose a part whose breaking capacity exceeds the prospective fault current.
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