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Eaton BK2-S-4201-1X-R 250 Vac 25 A Fuse Block for 1/4 x 1-1/4 in (6.35 x 31.8 mm)
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pEaton BK2-S-4201-1X-R — 25 A, 250 V, fuse holder, 6.35 x 31.8 mm./p
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Eaton BK2-S-4201-1X-R 250 Vac 25 A Fuse Block for 1/4 x 1-1/4 in (6.35 x 31.8 mm)
The BK2-S-4201-1X-R from Eaton carries 25 A, rated 250 Vac, measuring 35 x 31.8 mm.
Technical Data
| Parameter | Rating |
|---|---|
| Parameter | Value |
| Orderable part number | BK2-S-4201-1X-R |
| Body | PA66-GF25, UL94 V-0 base; -R = RoHS |
| Agency | cURus / CE where marked |
| RoHS | Compliant; -R suffix denotes RoHS on applicable part numbers |
| Fuse size accepted | 1/4 x 1-1/4 in (6.35 x 31.8 mm) |
| Voltage rating | 250 Vac |
| Current rating | 25 A |
| Number of poles | 1 pole |
| Terminals | Rivet terminal, aluminium alloy |
| Mounting | Fuse Block |
| Design standard | UL 4248 |
Practical Notes
- Footprint 35 x 31.8 mm — check clip or holder compatibility before substitution.
- Working voltage must stay at or below 250 Vac; a lower-rated part is not a safe substitute.
- Do not upsize beyond 25 A to stop nuisance trips — fix the cause instead.
Application Scenarios
Common installation contexts include:
- EV
Questions and Answers
What are the ratings of the BK2-S-4201-1X-R?
25 A continuous at 250 Vac.
What size is the BK2-S-4201-1X-R?
It measures 35 x 31.8 mm. Match the holder or clip to this footprint.
Shenzhen Gaorunxin Technology Co., Ltd
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