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Eaton MDL-8-R 8 A Glass Fuse 250 Vac, Slow-Blow
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pEaton MDL-8-R — 8 A, 250 V, time-delay glass cartridge fuse, 200 A at 250 Vac; 10,000 A at 125 Vac interrupting./p
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Eaton MDL-8-R 8 A Glass Fuse 250 Vac, Slow-Blow
Built by Eaton, the MDL-8-R carries 8 A, rated 250 Vac, uses a slow-blow element, in a glass body.
Technical Data
| Parameter | Rating |
|---|---|
| Part number | MDL-8-R |
| End caps | nickel-plated brass |
| Voltage rating | 250 Vac |
| Element | single element |
| Rated current | 8 A |
| Typical melting I2t | 47.8 A²s |
| Typical DC cold resistance | 0.015 Ω |
| Typical voltage drop | 0.119 V |
| Design standard | UL 248-14 |
| Body | Glass tube, 1/4 x 1-1/4 in (6.4 x 31.7 mm) |
| AC interrupting rating | 200 A at 250 Vac; 10,000 A at 125 Vac |
Selection Notes
- Interrupting capability is 200 A at 250 Vac; 10,000 A at 125 Vac — confirm the circuit's prospective fault current stays below this.
- 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 8 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 MDL-8-R?
8 A continuous at 250 Vac, interrupting rating 200 A at 250 Vac; 10,000 A at 125 Vac.
Is the MDL-8-R fast-acting or time-delay?
It is slow-blow. It tolerates short inrush surges.
Can the MDL-8-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. Choose a part whose breaking capacity exceeds the prospective fault current.
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