Description
GFEVT1000-K-51E High Speed Square Body DC Fuse (100A-630A, 1000V DC)
Key Specifications
- Model Series: GFEVT1000-K-51E
- Voltage Rating: 1000V DC
- Current Range: 100A – 630A
- Type: High Speed / Fast-Acting (aR)
- Interrupting Capacity: 50kA @ 1000V DC
- Time Constant (L/R): ≤ 3ms
- Standards: UL 248.1/13, IEC 60269.1/4, RoHS
- Body Style: Square body, size 1#
Core Features
- Ultra-Fast Protection: Rapidly clears faults to minimize damage to batteries, inverters, and power modules.
- High DC Breaking Capacity: Safely interrupts up to 50,000 amps at full voltage.
- Low Energy Let-Through (I²t): Superior current-limiting performance protects sensitive components.
- Low Power Loss: High efficiency, reduces heat generation in ESS and EV systems.
- Robust Design: Ceramic housing with quartz sand arc extinguishing for excellent vibration and shock resistance.
- Wide Temperature Range: Operates reliably in harsh environments.
- Certified Safety: Complies with global standards for international market access.
Typical Applications
- Electric & Hybrid Vehicles (EV/HEV): Battery pack, BMS, power distribution
- Energy Storage Systems (ESS): Lithium-ion battery banks, UPS
- DC Fast Chargers: EV charging stations
- Photovoltaic (PV) Inverters: Solar power systems
- Industrial DC Power Supplies: Converters, traction, and motive power
Why Choose GFEVT1000-K-51E?
- Optimized for New Energy: Tailored for the unique demands of DC fast protection in EV/ESS.
- Full Current Range: Covers 100A to 630A in a single form factor.
- OEM Quality: Stable performance for critical circuit protection.
- Worldwide Compatibility: UL, IEC, and RoHS certifications.
- Bulk & Custom Supply: Available for wholesale, BOM projects, and technical support.
Conclusion
GFEVT1000-K-51E High Speed Fuse 100A-630A 1000V dc New energy fuse
Dimensions (mm)
GFEVT1000-xxx K-51E
GFEVT1000-xxx KN-51E
Description
The GFEVT1000-K-51E Series high-voltage DC fuse is specially engineered for secure and efficient protection of DC circuits. Rated at 1000Vdc with current options from 100A to 630A, and an interrupting capacity of up to 50kA, it is suitable for demanding energy storage, photovoltaic, and industrial applications. The series ensures fast response to fault currents and reliable circuit isolation under harsh conditions.
Fuse Ratings
| Part No. | Fuse Amps | Size | Average @ 50KA/1000Vdc T: ≤3ms A²s Melting |
Average @ 50KA/1000Vdc T: ≤3ms A²t Clearing |
Power Loss (W) 100% |
|---|---|---|---|---|---|
| GFEVT1000-100K-51E | 100 | 1 # | 980 | 4,400 | 42 |
| GFEVT1000-125K-51E | 125 | 1 # | 1,180 | 5,300 | 46 |
| GFEVT1000-160K-51E | 160 | 1 # | 2,240 | 10,050 | 50 |
| GFEVT1000-200K-51E | 200 | 1 # | 4,360 | 19,970 | 56 |
| GFEVT1000-250K-51E | 250 | 1 # | 9,320 | 40,870 | 62 |
| GFEVT1000-315K-51E | 315 | 1 # | 17,900 | 79,060 | 68 |
| GFEVT1000-350K-51E | 350 | 1 # | 23,000 | 107,200 | 76 |
| GFEVT1000-400K-51E | 400 | 1 # | 35,100 | 154,100 | 86 |
| GFEVT1000-450K-51E | 450 | 1 # | 50,600 | 221,100 | 95 |
| GFEVT1000-500K-51E | 500 | 1 # | 83,500 | 288,100 | 102 |
| GFEVT1000-550K-51E | 550 | 1 # | 114,700 | 391,900 | 133 |
| GFEVT1000-630K-51E | 630 | 1 # | 155,000 | 445,000 | 140 |
Note: Optional base indicator, the standard product is the “Default” configuration.
Default: K – with fuse indication, e.g., GFEVT1000-630K-51E;
Optional: KN – without fuse indication, e.g., GFEVT1000-630KN-51E;