Description
GFEVT(750-10R) High Speed Fuse 10A-50A, 750V 700V dc automotive fuse /EV Fuse
1. 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 ensures reliable protection of circuits and components
Can be applied in parallel to realize greater ampacity within sizing guidelines
Excellent resistance to voltaic impingement and environmental temperature variations
Exceptional resistance to mechanical vibration and impact resistance.
2. Dimensions (mm)
Ferrule xxA-10R Dimensions
Axial boltxxAP-10R Dimensions
Description
Low watt losses
Designed for DC applications
Excellent DC performance
Superior cycling capability
Standards & Approvals
Refer to:
UL 248.13 / UL 248.20
IEC 60269.1 / IEC 60269.4
GB 13539.1 / GB 13539.4
JASO D622
Reach declaration available upon request
RoHS compliant
Fuse Ratings
| Connect | Part No. | Fuse Amps | Body | Breaking Capacity | Average @ 20KA/750Vdc | Power Loss 1.0(W) | Approvals | |
|---|---|---|---|---|---|---|---|---|
| A²s Melting | A²s Clearing | |||||||
| Ferrule | GFEVT750-10A-10R | 10A | Ceramics | 20 kA | 28.9 | 97.0 | 2.0 | ○ Pending |
| GFEVT750-15A-10R | 15A | Ceramics | 20 kA | 72.3 | 242.5 | 2.5 | ○ Pending | |
| GFEVT750-20A-10R | 20A | Ceramics | 20 kA | 145.5 | 440.0 | 3.2 | ○ Pending | |
| GFEVT750-25A-10R | 25A | Ceramics | 20 kA | 225.0 | 668.0 | 3.6 | ○ Pending | |
| GFEVT750-30A-10R | 30A | Ceramics | 20 kA | 311.3 | 942.0 | 4.5 | ○ Pending | |
| GFEVT750-32A-10R | 32A | Ceramics | 20 kA | 356.3 | 996.0 | 5.5 | ○ Pending | |
| GFEVF750-40A-10R | *40A | Fiberglass | 20 kA | 439.6 | 1605.0 | 6.5 | ○ Pending | |
| GFEVF750-50A-10R | *50A | Fiberglass | 20 kA | 683.2 | 3048.5 | 8.5 | ○ Pending | |
| Connect | Part No. | Fuse Amps | Body | Breaking Capacity | Average @ 20KA/750Vdc | Power Loss 1.0(W) | Approvals | |
|---|---|---|---|---|---|---|---|---|
| A²s Melting | A²s Clearing | |||||||
| Axial bolt | GFEVT750-10AP-10R | 10A | Ceramics | 20 kA | 28.9 | 97.0 | 2.0 | ○ Pending |
| GFEVT750-15AP-10R | 15A | Ceramics | 20 kA | 72.3 | 242.5 | 2.5 | ○ Pending | |
| GFEVT750-20AP-10R | 20A | Ceramics | 20 kA | 145.5 | 440.0 | 3.2 | ○ Pending | |
| GFEVT750-25AP-10R | 25A | Ceramics | 20 kA | 225.0 | 668.0 | 3.6 | ○ Pending | |
| GFEVT750-30AP-10R | 30A | Ceramics | 20 kA | 311.3 | 942.0 | 4.5 | ○ Pending | |
| GFEVT750-32AP-10R | 32A | Ceramics | 20 kA | 356.3 | 996.0 | 5.5 | ○ Pending | |
| GFEVF750-40AP-10R | *40A | Fiberglass | 20 kA | 439.6 | 1605.0 | 6.5 | ○ Pending | |
| GFEVF750-50AP-10R | *50A | Fiberglass | 20 kA | 683.2 | 3048.5 | 8.5 | ○ Pending | |
DC Cold Resistance is measured at <10% of the rated current in an ambient temperature of 25℃;
Key Specifications
- Model: GFEVT/750-10R (10A, 15A, 20A, 25A, 30A, 40A, 50A)
- Current Rating: 10A–50A
- Voltage Rating: 750V DC (standard), 700V DC (alternative)
- Breaking Capacity: 50kA @ 750V DC
- Design: Bolt-down (flange mount), cylindrical ceramic body
- Dimensions: 14×51mm (ferrule type, bolt terminals)
- Compliance: UL 248-13, IEC 60269-4, GB 13539.4, JASO D622
- Operating Temperature: -40°C to +125°C
- Certifications: CE, RoHS, IATF16949 (automotive grade)
Core Advantages
- Ultra-fast DC protection: Clears short circuits in milliseconds; low I²t minimizes damage to DC components.
- Bolt-down reliability: Secure flange mounting resists vibration, ideal for EV/industrial harsh environments.
- High voltage DC rating: 750V DC covers modern EV, ESS, and solar DC system requirements.
- Low power loss: Efficient design reduces energy consumption in continuous DC operation.
- Superior cycling capability: Withstands frequent on/off cycles in renewable and automotive systems.
Common Applications
- Electric Vehicle (EV) & HEV: Battery packs, motor controllers, DC fast chargers.
- Energy Storage Systems (ESS/BESS): Battery energy storage, UPS DC buses.
- Solar PV Systems: String inverters, DC combiner boxes, 750V DC solar arrays.
- Industrial DC Circuits: Rectifiers, DC power supplies, heavy-duty machinery.
- DC Backup Protection: Relay and contactor short-circuit backup in high-power DC systems.
Why Choose EssFuse GFEVT/750-10R?
FAQ
A: A bolt-down fuse uses flange terminals for secure mounting, ideal for high-vibration environments like EVs and industrial equipment.
A: Yes, it is rated for both 750V DC (standard) and 700V DC (derated) applications.
A: No—bolt-down fuses handle higher DC currents (10A–50A) and voltages (750V DC) than standard blade fuses.