Description
EssFuse GFEVT/500 series is a professional fast-acting DC fuse designed for semiconductor and new energy DC protection systems. It covers complete current specifications from 10A to 400A, with dual voltage ratings of 450V DC and 500V DC, ideal for high-sensitivity overcurrent and short-circuit protection.
Adopting aR fast breaking characteristic, the EssFuse GFEVT/500 DC fuse delivers ultra-fast response speed and excellent arc extinguishing performance. It can instantly isolate fault current, effectively protecting IGBT modules, power electronic components, battery packs and inverter equipment from burnout damage.
Core Specifications
- Series: GFEVT/500
- Rated Current: 10A–400A
- Rated Voltage: 450V DC / 500V DC
- Characteristic: Fast-acting / aR semiconductor protection
- Structure: Compact square standard installation size
- Standard: Compliant with IEC, GB and UL industrial fuse standards
Key Features
- Fast-acting breaking performance, perfect for semiconductor circuit protection
- Wide current range 10A to 400A, full specifications for selection
- 450V/500V dual DC voltage design, adaptable to most low-medium DC systems
- High breaking capacity, stable time-current curve
- High temperature resistant shell, anti-explosion and long service life
- Suitable for bolt-down installation, easy assembly and replacement
Applications
EssFuse GFEVT/500 series fast-acting DC fuses are widely used in new energy vehicles, photovoltaic solar systems, energy storage ESS cabinets, DC charging piles, industrial inverters, switching power supplies and semiconductor industrial control equipment.
GFEVT500 series dc fuse 10A-400A 450V500V fast-acting fuses
1. Dimensions (mm)
GFEVT500-18R Dimensions
GFEVT500-30R Dimensions
2. Description
Design for DC Applications
Excellent DC Performance
Superior cycling capability
Low Watt Losses
Standards & Approvals
- References:
- UL 248.1 / UL 248.13
- IEC 60269.1 / IEC 60269.4
- GB 13539.1 / GB 13539.4
- JASO-D622
- Certifications:
- Reach Declaration Available Upon Request
- RoHS Compliant
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
- Can be applied in parallel to realize greater ampacity within sizing guidelines
- Excellent power of resisting voltaic impingement and environmental temperature variations
- Exceptional resistance to mechanical vibration and impact resistance.
Fuse Ratings
| Part No. | Fuse Amps | A²s Melting | A²t Clearing | Power Loss (W) | Standard recommended bolts | Installation torque |
|---|---|---|---|---|---|---|
| GFEVT500-10A-18R | 10A | 7 | 13 | 3 | M5 | 4.5±1.0N.m |
| GFEVT500-16A-18R | 16A | 7 | 51 | 9 | M5 | 4.5±1.0N.m |
| GFEVT500-20A-18R | 20A | 32 | 231 | 7 | M5 | 4.5±1.0N.m |
| GFEVT500-25A-18R | 25A | 32 | 263 | 7 | M5 | 4.5±1.0N.m |
| GFEVT500-32A-18R | 32A | 34 | 316 | 9 | M5 | 4.5±1.0N.m |
| GFEVT500-35A-18R | 35A | 35 | 345 | 9 | M5 | 4.5±1.0N.m |
| GFEVT500-40A-18R | 40A | 108 | 460 | 9 | M5 | 4.5±1.0N.m |
| GFEVT500-45A-18R | 45A | 114 | 518 | 11 | M5 | 4.5±1.0N.m |
| GFEVT500-50A-18R | 50A | 126 | 690 | 11 | M5 | 4.5±1.0N.m |
| GFEVT500-63A-18R | 63A | 149 | 900 | 12 | M5 | 4.5±1.0N.m |
| GFEVT500-70A-18R | 70A | 231 | 1140 | 18 | M5 | 4.5±1.0N.m |
| GFEVT500-80A-18R | 80A | 275 | 1800 | 20 | M5 | 4.5±1.0N.m |
| GFEVT500-90A-18R | 90A | 418 | 2520 | 20 | M5 | 4.5±1.0N.m |
| GFEVT500-100A-18R | 100A | 517 | 3360 | 24 | M5 | 4.5±1.0N.m |
| GFEVT500-125A-30R | 125A | 1512 | 18690 | 24 | M5 | 5.5±1.0N.m |
| GFEVT500-160A-30R | 160A | 2065 | 25534 | 32 | M6 | 5.5±1.0N.m |
| GFEVT500-180A-30R | 180A | 2865 | 35534 | 36 | M6 | 5.5±1.0N.m |
| GFEVT500-200A-30R | 200A | 3733 | 46153 | 38 | M6 | 5.5±1.0N.m |
| GFEVT500-225A-30R | 225A | 3406 | 25883 | 50 | M8 | 11±1.0N.m |
| GFEVT500-250A-30R | 250A | 4264 | 32402 | 60 | M8 | 11±1.0N.m |
| GFEVT500-280A-38R | 280A | 7346 | 55817 | 66 | M8 | 11±1.0N.m |
| GFEVT500-315A-38R | 315A | 9755 | 74124 | 74 | M8 | 11±1.0N.m |
| GFEVT500-350A-38R | 350A | 12597 | 95718 | 79 | M8 | 11±1.0N.m |
| GFEVT500-400A-38R | 400A | 35100 | 266700 | 81 | M8 | 11±1.0N.m |