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Eaton SR-5H-630mA-APH 630 mA 300 Vac Time-Delay Subminiature Fuse
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pEaton SR-5H-630mA-APH — 630 mA, 300 V, time-delay fuse, 100 A at 300 Vac interrupting./p
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Eaton SR-5H-630mA-APH 630 mA 300 Vac Time-Delay Subminiature Fuse
Built by Eaton, the SR-5H-630mA-APH carries 630 mA, rated 300 Vac, uses a time-delay element.
Technical Data
| Parameter | Rating |
|---|---|
| Parameter | Value |
| Orderable part number | SR-5H-630mA-APH (-APH = 1,000 pcs ammo pack, 12.7 mm pitch) |
| Voltage rating | 300 Vac |
| Typical DC cold resistance | 0.162 Ohm |
| Current rating | 630 mA |
| Typical melting I2t | 3.5 A2s |
| Design standard | IEC 60127-3 sheet 4 |
| Agency | cURus E19180 (JDYX2, JDYX8) - the sub-1 A ratings carry only the UR mark |
| On-state drop, typical | 120 mV at rated current |
| Interrupting rating | 100 A at 300 Vac |
| Characteristic | Time-delay (T), high inrush withstand |
| Packaging family | -APH ammo pack / -BKH 200 in polybag / -BK2H 200 long lead |
| Body | Radial leaded thru-hole, plastic cap and base, UL 94V0 |
| Power dissipation | 0.08 W |
Selection Notes
- Interrupting capability is 100 A at 300 Vac — confirm the circuit's prospective fault current stays below this.
- Time-delay element rides through motor starting and capacitive inrush without nuisance opening.
- Startup surges of several times rated current are tolerated for a short window.
- Working voltage must stay at or below 300 Vac; a lower-rated part is not a safe substitute.
- Do not upsize beyond 630 mA to stop nuisance trips — fix the cause instead.
Typical Applications
Engineers usually specify it for these duties:
- lighting
- surge
Part Number and Packing
Order code SR-5H-630mA-APH from Eaton, supplied in -APH ammo pack / -BKH 200 in polybag / -BK2H 200 long lead. Confirm the exact suffix before release.
Q&A
What are the ratings of the SR-5H-630mA-APH?
630 mA continuous at 300 Vac, interrupting rating 100 A at 300 Vac.
Is the SR-5H-630mA-APH fast-acting or time-delay?
It is time-delay. It tolerates short inrush surges.
Can the SR-5H-630mA-APH be used on a higher fault-current circuit?
No — its interrupting rating is 100 A at 300 Vac. Choose a part whose breaking capacity exceeds the prospective fault current.
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