Description
GFEVT500-K-51E High Speed Fuse 100A-800A 500V dc fuse
Features & Benefits
- Higher voltage rating provides overall system efficiency using smaller, more economical conductors while meeting the needs of higher voltage.
- Up to ten times faster opening under high fault current conditions helps assure reliable protection of circuits and components.
- Greater ampacity within sizing guidelines.
- Excellent power of resisting voltaic impingement and environmental temperature tolerance.
- Excellent resistance to mechanical vibration and impact resistance.
Dimensions (mm)
GFEVT500-xxx KN-51E
GFEVT500-xxx K-51E
Description
- Design For DC Applications
- Excellent Dc Performance
- Superior cycling capability
- Low Watt Losses
Standards/Approvals
- Refer to UL 248.1 / UL 248.13
- IEC 60269.1 / IEC 60269.4
- Reach declaration available upon request
- RoHS Compliant
Fuse Ratings
| Part No. | Fuse Amps | Size | Average @50KA/500Vdc | Power Loss (W) | |
| A²s Melting | A²t Clearing | 100% | |||
| GFEVT500-100K-51E | 100 | 1# | 820 | 7,370 | 23 |
| GFEVT500-125K-51E | 125 | 1# | 1,340 | 11,910 | 28 |
| GFEVT500-160K-51E | 160 | 1# | 2,410 | 21,550 | 35 |
| GFEVT500-200K-51E | 200 | 1# | 3,030 | 26,910 | 38 |
| GFEVT500-250K-51E | 250 | 1# | 5,050 | 45,680 | 52 |
| GFEVT500-275K-51E | 275 | 1# | 6,140 | 59,220 | 55 |
| GFEVT500-315K-51E | 315 | 1# | 7,910 | 75,060 | 64 |
| GFEVT500-350K-51E | 350 | 1# | 10,520 | 100,260 | 68 |
| GFEVT500-400K-51E | 400 | 1# | 15,060 | 143,820 | 72 |
| GFEVT500-450K-51E | 450 | 1# | 20,830 | 205,160 | 78 |
| GFEVT500-500K-51E | 500 | 1# | 26,760 | 264,150 | 87 |
| GFEVT500-550K-51E | 550 | 1# | 36,520 | 363,150 | 92 |
| GFEVT500-630K-51E | 630 | 1# | 53,800 | 554,220 | 100 |
| GFEVT500-700K-51E | 700 | 1# | 71,550 | 742,770 | 102 |
| GFEVT500-800K-51E | 800 | 1# | 99,540 | 1,035,000 | 113 |
| Optional base indicator, the standard product is the “Default” configuration. Default: K – with fuse indication, e.g.: GFEVT500-630K–51E; Optional: KN – without fuse indication, e.g.: GFEVT500-630KN–51E; |
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GFEVT500-K-51E is a professional high speed DC fuse developed for 500V DC circuit protection. Covering current specifications from 100A to 800A, it features ultra-fast fusing characteristic, perfect for protecting semiconductor devices and DC power equipment from sudden short-circuit current.
This 500V DC high speed fuse adopts internal optimized arc extinguishing structure, with strong DC arc suppression capacity, low temperature rise and high breaking capacity. It can quickly cut off fault current in milliseconds, effectively avoiding component burnout and circuit damage.
Widely applied in energy storage systems, industrial DC power supplies, new energy equipment and power conversion units. GFEVT500-K-51E series high speed fuses meet industrial standard requirements, with stable performance and long service life for long-term continuous DC operation.
aR semiconductor high-speed fuse is specially for semiconductor device short-circuit protection. Ultra-fast fusing response, protect IGBT, MOS tube from instant short-circuit impact, professional industrial semiconductor protection.