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Eaton C517-3A 3 A 250 Vac Fast-Acting Axial Glass Fuse
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pEaton C517-3A — 3 A, 250 V, fast-acting glass cartridge fuse, 125 Vac: 10,000 A interrupting./p
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Eaton C517-3A 3 A 250 Vac Fast-Acting Axial Glass Fuse
Built by Eaton, the C517-3A carries 3 A, uses a fast-acting element, in a glass body.
Technical Data
| Parameter | Rating |
|---|---|
| Parameter | Value |
| Manufacturer / Series | Eaton / C517 Series |
| Orderable part number | C517-3A (carton code BK-C517-3A) |
| Current rating | 3 A |
| Voltage / interrupting rating | 350 Vac: 100 A (UL Recognized) |
| Voltage / interrupting rating | 250 Vac: 100 A |
| Voltage / interrupting rating | 125 Vac: 10,000 A |
| Typical DC cold resistance | 0.0345 Ohm |
| Typical melting I2t | 5.87 A2s |
| Typical voltage drop | 141.7 mV at rated current |
| Package | 5 x 15 mm glass tube, nickel-plated brass end caps, axial leads, optional fluoropolymer sleeve |
| Option code | S = insulation sleeve (flexible fluoropolymer, UL VW-1) |
| Agency / environmental | UL Listed guide JDYX file E19180 (3 A); UL Recognized guide JDYX2 file E19180 (3 A); CSA certification class 1422-01 file 53787; RoHS compliant |
Selection Notes
- Interrupting capability is 125 Vac: 10,000 A — 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.
- Do not upsize beyond 3 A to stop nuisance trips — fix the cause instead.
Typical Applications
Engineers usually specify it for these duties:
- EV
- lighting
- LED driver
Part Number and Packing
Order code C517-3A from Eaton, supplied in 5 x 15 mm glass tube, nickel-plated brass end caps, axial leads, optional fluoropolymer sleeve. Confirm the exact suffix before release.
Q&A
Is the C517-3A fast-acting or time-delay?
It is fast-acting. Expect it to open quickly on overload.
Can the C517-3A be used on a higher fault-current circuit?
No — its interrupting rating is 125 Vac: 10,000 A. Choose a part whose breaking capacity exceeds the prospective fault current.
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