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ABC-7-R Eaton 7 A Quick-Blow Ceramic Fuse 250 Vac
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pEaton ABC-7-R — 7 A, 250 V, fast-acting ceramic cartridge fuse, 200 A at 250 Vac; 10,000 A at 125 Vac; 10,000 A at 125 Vdc interrupting./p
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ABC-7-R Eaton 7 A Quick-Blow Ceramic Fuse 250 Vac
Built by the maker, the ABC-7-R carries 7 A, rated 250 Vac, in a ceramic body.
Technical Data
| Parameter | Rating |
|---|---|
| Part number | ABC-7-R |
| Element | single element |
| AC interrupting rating | 200 A at 250 Vac; 10,000 A at 125 Vac; 10,000 A at 125 Vdc |
| Typical melting I2t | 109.33 A²s |
| End caps | nickel-plated brass |
| Design standard | UL 248-14 |
| Body | Ceramic tube, 1/4 x 1-1/4 in (6.4 x 31.7 mm) |
| Typical voltage drop | 0.17 V |
| Voltage rating | 250 Vac |
| Voltage rating, DC | 125 Vdc |
| Typical DC cold resistance | 0.016 Ω |
| Rated current | 7 A |
Selection 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.
- Ceramic body holds higher breaking capacity than glass at the same footprint.
- It is the usual choice where prospective fault current is high.
- Working voltage must stay at or below 250 Vac; a lower-rated part is not a safe substitute.
- Do not upsize beyond 7 A to stop nuisance trips — fix the cause instead.
Typical Applications
Engineers usually specify it for these duties:
- EV
Q&A
What are the ratings of the ABC-7-R?
7 A continuous at 250 Vac, interrupting rating 200 A at 250 Vac; 10,000 A at 125 Vac; 10,000 A at 125 Vdc.
Can the ABC-7-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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