GFEVF1000 Series DC Power Fuse 30‑800A 1000Vdc
GFEVF1000 series dc fuse 1000VDC, 30-800A North American style aR power fuse for EV battery and ESS protection. CE RoHS certified.
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GFEVF1000 Series DC Fuse 1000VDC
The GFEVF1000‑series is North‑American‑style aR‑class DC power fuses rated up to 1000Vdc,30‑800A,50kA@1000Vdc breaking capacity. Optimized for EV,HEV,battery pack and energy‑storage system short‑circuit protection,low I²t let‑through,low power loss,good vibration resistance,CE & RoHS compliant.
Key Features & Benefits
- Designed exclusively for DC‑system protection
- Rated breaking capacity：50kA@1000Vdc；Time Constant：2.5±0.5 ms；Operation class:aR
- Low arc‑voltage & low energy let‑through(I²t value)
- Low watt‑loss,superior cycling performance
- Support parallel installation for higher ampacity
- Strong anti‑vibration & shock resistance,adapt to harsh environment
- CE certified,RoHS‑compliant；Reference standard UL248.13,IEC60269‑4
Typical Applications
- EV / HEV battery pack protection
- Energy‑storage system(ESS) DC overcurrent protection
- DC relay backup protection
- Maintenance safety disconnect device
- New‑energy power‑conversion equipment
Main Technical Specifications
| Item | Parameter |
|---|---|
| Model series | GFEVF1000‑26R /38R /51R |
| Rated voltage | 800Vdc /1000Vdc |
| Rated current range | 30A‑800A |
| Breaking capacity | 50kA@1000Vdc |
| Operating class | aR |
| Certifications | CE,RoHS compliant；refer to UL248.13,IEC60269‑4 |
| Case diameter | 26mm /38mm /51mm |
| Storage temperature | -40℃~120℃ |
| Operating ambient temperature | -40℃~85℃（‑5℃~40℃ without derating） |
Operating Conditions & Derating Guidance
- Ambient‑temperature derating
- Altitude derating（2000‑4500m closed‑environment need derate 2‑5% per 1000m）
- Forced‑air cooling correction
- Recommended continuous operating current ≤75% of fuse rated‑current
Download Datasheet
GFEVF1000 semiconductor fuse-30-800A-1000Vdc
FAQ
What class is GFEVF1000 series fuse?
It belongs to aR class,for DC semiconductor & battery‑system short‑circuit protection.
Can GFEVF1000 be installed in parallel?
Yes,it supports parallel mounting following current‑rating sizing guidelines for higher total ampacity.
What is maximum interrupting capacity?
50kA at 1000Vdc.
Does this fuse need current derating for high‑altitude cabinet application?
Closed cabinet above 2000m altitude：2‑5% current derating per 1000m elevation；open‑air installation normally no‑need derating.
