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Eaton S506-2-R 2 A 250 Vac Time-Delay Glass Tube Fuse
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pEaton S506-2-R — 2 A, 250 V, time-delay glass cartridge fuse, 35 A at 250 Vac, 50 Hz interrupting./p
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Eaton S506-2-R 2 A 250 Vac Time-Delay Glass Tube Fuse
The S506-2-R from Eaton carries 2 A, uses a time-delay element, in a glass body.
Technical Data
| Parameter | Rating |
|---|---|
| Parameter | Value |
| Orderable part number | S506-2-R (BK- prefix = 100 pcs carton, BK1- = 1,000 pcs polybag) |
| Typical melting I2t | 31.6 A2s |
| Agency | cURus (E19180, JDYX2); SEMKO; VDE; BSI; IMQ; PSE (JET); KC; CCC |
| Design standard | IEC 60127-1 and 60127-2 |
| Time-delay class | T (time-lag) |
| Current rating | 2 A |
| Typical drop | 77 mV at rated current |
| Un (rated) | 250 Vac |
| Power dissipation | 0.15 W |
| Body / package | 5 x 20 mm glass tube, nickel-plated brass end caps |
| Typical DC cold resistance | 0.0333 Ohm |
| Interrupting rating | 35 A at 250 Vac, 50 Hz |
Practical Notes
- Interrupting capability is 35 A at 250 Vac, 50 Hz — 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.
- 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 2 A to stop nuisance trips — fix the cause instead.
Application Scenarios
Common installation contexts include:
- EV
- transformer
Buying Notes
Order code S506-2-R from Eaton, supplied in 5 x 20 mm glass tube, nickel-plated brass end caps. Confirm the exact suffix before release.
Questions and Answers
Is the S506-2-R fast-acting or time-delay?
It is time-delay. It tolerates short inrush surges.
Can the S506-2-R be used on a higher fault-current circuit?
No — its interrupting rating is 35 A at 250 Vac, 50 Hz. Choose a part whose breaking capacity exceeds the prospective fault current.
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