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Eaton ABC-5-R Fast-Acting Fuse 5 A 250 Vac - 1/4 x 1-1/4 in
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pEaton ABC-5-R — 5 A, 250 V, fast-acting fuse, 200 A at 250 Vac; 10,000 A at 125 Vac; 10,000 A at 125 Vdc interrupting./p
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Eaton ABC-5-R Fast-Acting Fuse 5 A 250 Vac - 1/4 x 1-1/4 in
Eaton ABC-5-R Fast-Acting Fuse 5 A 250 Vac - 1/4 x 1-1/4 in belongs to the Eaton range. It carries 5 A, rated 125 Vdc, uses a fast-acting element.
Technical Data
| Parameter | Rating |
|---|---|
| Part number | ABC-5-R |
| Body | Ceramic tube, 1/4 x 1-1/4 in (6.4 x 31.7 mm) |
| Typical voltage drop | 0.22 V |
| Element | single element |
| Typical melting I2t | 32.83 A²s |
| Design standard | UL 248-14 |
| Voltage rating, DC | 125 Vdc |
| Voltage rating | 250 Vac |
| AC interrupting rating | 200 A at 250 Vac; 10,000 A at 125 Vac; 10,000 A at 125 Vdc |
| Rated current | 5 A |
| End caps | nickel-plated brass |
| Typical DC cold resistance | 0.026 Ω |
Design Notes
- Interrupting capability is 200 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.
- Working voltage must stay at or below 125 Vdc; a lower-rated part is not a safe substitute.
- Do not upsize beyond 5 A to stop nuisance trips — fix the cause instead.
Where It Is Used
Typical places this fuse turns up:
- EV
- surge
Common Questions
What are the ratings of the ABC-5-R?
5 A continuous at 125 Vdc, interrupting rating 200 A at 250 Vac; 10,000 A at 125 Vac; 10,000 A at 125 Vdc.
Is the ABC-5-R fast-acting or time-delay?
It is fast-acting. Expect it to open quickly on overload.
Can the ABC-5-R be used on a higher fault-current circuit?
No — its interrupting rating is 200 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.
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