GFHEV1-K Series High Speed Fuse | 200A-450A 250V DC Fuse
GFHEV1‑K Series square‑body high‑speed aR fast‑acting DC fuse,200‑450A 250Vdc,50kA breaking capacity for industrial ESS semiconductor protection. Available K(with indicator) / KN(without indicator). UL248.13 & RoHS compliant.
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GFHEV1‑K Series High Speed Fuse is a square‑body aR fast‑acting DC fuse designed for industrial energy storage system overcurrent and short‑circuit protection.
Dimensions (mm)
GFHEV1-xxxK
| Series Model | GFHEV1‑K Series High‑Speed Fuse |
| Rated Voltage | 250 V DC |
| Rated Current Range | 200A‑450A |
| Utilization Class | aR (Fast‑acting for semiconductor protection) |
| Interrupting Capacity | 50 kA @250Vdc (L/R ≤5ms); Minimum breaking current ≥5In |
| Body Size | Size #1 Square‑body fuse‑link |
| Indicator Version | K‑version: with fuse indicator; KN‑version: without indicator |
| Standards & Compliance | Refer to UL 248.13, RoHS Compliant |
| Operating Ambient Temperature | ‑40 °C ~ +85 °C |
| Typical Application | Industrial ESS, DC power system, semiconductor device over‑current protection |
| Part Number | Rated Current(A) | Body Size | Melting A²s | Clearing A²t | 100% Power Loss(W) |
|---|---|---|---|---|---|
| GFHEV1‑200K | 200 | #1 | 11,590 | 138,180 | 18 |
| GFHEV1‑250K | 250 | #1 | 19,850 | 233,940 | 20 |
| GFHEV1‑275K | 275 | #1 | 28,450 | 335,580 | 23 |
| GFHEV1‑315K | 315 | #1 | 39,490 | 478,690 | 25 |
| GFHEV1‑350K | 350 | #1 | 50,540 | 616,350 | 26 |
| GFHEV1‑400K | 400 | #1 | 68,980 | 848,350 | 28 |
| GFHEV1‑450K | 450 | #1 | 101,600 | 1,290,200 | 39 |
Frequently Asked Questions
Q: What is difference between K and KN suffix for GFHEV1‑K series?
A: Suffix K means built‑in fuse blow indicator; KN means without indicator function. Both share identical electrical performance.
Q: What application for GFHEV1‑K square‑body fuse‑link?
A: This aR fast‑acting fuse‑link is mainly designed for industrial ESS energy‑storage cabinets and semiconductor DC‑circuit short‑circuit protection under 250 V DC.
Q: What is interrupting rating of GFHEV1‑K series?
A: Max interrupting capacity is 50 kA at 250 V DC under L/R ≤5ms condition; minimum breaking current ≥5In.
Q: What standards comply with GFHEV1‑K fuse?
A: It refers to UL 248.13 standard and fully meets RoHS environmental‑compliance requirements.
