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Eaton AGC-3/8-R 375 mA 250 Vac Glass Fast-Acting Fuse
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pEaton AGC-3/8-R — 375 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-3/8-R 375 mA 250 Vac Glass Fast-Acting Fuse
The AGC-3/8-R from Eaton carries 375 mA, rated 250 Vac, uses a fast-acting element, in a glass body.
Technical Data
| Parameter | Rating |
|---|---|
| Part number | AGC-3/8-R |
| End caps | nickel-plated brass |
| Rated current | 375 mA (3/8 A) |
| 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 voltage drop | 0.548 V |
| Body | Glass tube, 1/4 x 1-1/4 in (6.3 x 32 mm) |
| Typical melting I2t | 0.09 A²s |
| Voltage rating | 250 Vac |
| Typical DC cold resistance | 0.703 Ω |
| Element | single element |
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.
- 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 375 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-3/8-R?
375 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-3/8-R fast-acting or time-delay?
It is fast-acting. Expect it to open quickly on overload.
Can the AGC-3/8-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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