Description
GFEVT1000-A-59E High Speed Fuse | 100A-800A 1000V DC New Energy
GFEVT1000-A-59E High-Speed New Energy Fuse: 100A–800A 1000V DC Technical Guide
The GFEVT1000-A-59E is a high-performance, fast-acting (aR class) high-speed fuse engineered for 1000V DC new energy systems, with a current range of 100A to 800A. It delivers ultra-fast overcurrent and short-circuit protection for electric vehicles (EV/HEV), energy storage systems (BESS), and high-voltage DC distribution circuits.
Key Specifications
- Part Number: GFEVT1000-A-59E
- Voltage Rating: 1000V DC
- Current Range: 100A – 800A
- Interrupting Capacity: Max 50kA @ 1000V DC (Time Constant ≤5ms)
- Protection Class: aR (semiconductor/DC application optimized)
- Low Watt Loss & High Cycling Performance: Ideal for long-duration, high-demand new energy operation
- Global Standards: UL 248.1/248.13, IEC 60269.1/60269.4, RoHS compliant
Core Features & Benefits
- Ultra-Fast Fault Clearing: Up to 10x faster response under high fault currents, critical for protecting sensitive power semiconductors in new energy systems.
- 50kA High Breaking Capacity: Safely interrupts extreme short-circuit currents in 1000V DC new energy circuits, ensuring system safety.
- Robust New Energy Design: Engineered to withstand thermal shock, mechanical vibration, and environmental temperature extremes.
- Low Loss & High Reliability: Optimized for energy efficiency and long service life in continuous-duty new energy applications.
- Global Compliance: Meets strict UL/IEC safety standards for automotive and energy storage markets.
Typical New Energy Applications
- EV/HEV Systems: Main battery pack, inverter, and high-voltage DC bus protection.
- Energy Storage (BESS): Battery string, DC junction box, and UPS/backup power protection.
- DC Fast Charging: On-board charger (OBC) and public charging station (CS) circuit protection.
- Renewable Energy Integration: Solar PV and wind energy DC distribution systems.
The GFEVT1000-A-59E fuse is purpose-built for the rigorous demands of modern new energy infrastructure, providing fast, reliable protection for 1000V DC critical circuits.
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)
GFEVT1000-A-59E
Description
- Design For DC Applications
- Excellent Dc Performance
- 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
| Connect | Part No. | Fuse Amps | Size | Average @50KA/1000Vdc | Power Loss (W) | Approvals | ||
| A²s Melting | A²t Clearing | 100% | ROHS | REACH | ||||
| Flush-end contact | GFEVT1000-100A-59E | 100A | 2# | 1320 | 8680 | 75 | ● | ● |
| GFEVT1000-125A-59E | 125A | 2# | 1880 | 12400 | 80 | ● | ● | |
| GFEVT1000-160A-59E | 160A | 2# | 2690 | 17710 | 85 | ● | ● | |
| GFEVT1000-200A-59E | 200A | 2# | 3840 | 25300 | 90 | ● | ● | |
| GFEVT1000-250A-59E | 250A | 2# | 5490 | 36150 | 98 | ● | ● | |
| GFEVT1000-275A-59E | 275A | 2# | 7900 | 52170 | 105 | ● | ● | |
| GFEVT1000-315A-59E | 315A | 2# | 10900 | 72850 | 113 | ● | ● | |
| GFEVT1000-350A-59E | 350A | 2# | 13900 | 91650 | 120 | ● | ● | |
| GFEVT1000-400A-59E | 400A | 2# | 19450 | 131600 | 128 | ● | ● | |
| GFEVT1000-450A-59E | 450A | 2# | 30950 | 192700 | 135 | ○ | ○ | |
| GFEVT1000-500A-59E | 500A | 2# | 43680 | 267900 | 143 | ○ | ○ | |
| GFEVT1000-550A-59E | 550A | 2# | 56420 | 347800 | 150 | ○ | ○ | |
| GFEVT1000-630A-59E | 630A | 2# | 104650 | 540500 | 180 | ○ | ○ | |
| GFEVT1000-700A-59E | 700A | 2# | 145930 | 739350 | 188 | ○ | ○ | |
| GFEVT1000-800A-59E | 800A | 2# | 223440 | 1160000 | 195 | ○ | ○ | |