Description
GFEVT1500-A-74E High-Speed Bolt-Down Fuse: 100A–1200A 1500VDC Technical Overview
The GFEVT1500-A-74E is a high-performance, fast-acting (aR class) bolt-down fuse designed for 1500VDC high-power DC circuits, with a current range of 100A to 1200A. It delivers superior overcurrent and short-circuit protection for demanding applications in new energy vehicles (EV), energy storage systems (ESS), solar PV inverters, and industrial DC power systems.
Key Specifications
- Voltage Rating: 1500VDC
- Current Range: 100A – 1200A
- Interrupting Capacity: Max 250kA @1500VDC (L/R ≤5ms)
- Time Constant: ≤5ms
- Class: aR (semiconductor protection)
- Mounting: Bolt-down (stud/bolt connection)
- Standards: UL 248.1/248.13, IEC 60269.1/60269.4, RoHS compliant
Core Features
- Ultra-Fast Response: Rapid fault clearing to protect semiconductors and battery systems.
- High Breaking Capacity: Safely interrupts extreme short-circuit currents up to 250kA.
- Low Watt Loss: Minimizes energy consumption and heat generation.
- Superior Cycling Capability: Reliable performance under repeated load cycles.
- Robust Bolt-Down Design: Secure, low-resistance connection for high-current stability.
- Certified Compliance: Meets global safety standards for industrial and renewable energy use.
Typical Applications
- EV & HEV: Battery pack, inverter, and powertrain protection.
- Energy Storage (ESS): PCS, battery banks, and DC distribution.
- Solar PV: Inverters, combiner boxes, and 1500Vdc array protection.
- Industrial DC: UPS, rectifiers, and heavy-duty power systems.
The GFEVT1500-A-74E fuse is engineered for reliability in high-voltage DC environments, making it a trusted choice for circuit protection in modern renewable and electric mobility systems.
1500VDC Bolt Down High-Speed Fuse GFEVT1500-A-74E (100-1200A)
GFEVT1500-A-74E: 1500VDC bolt-down high-speed fuse (100A–1200A). aR type, 250kA breaking capacity, UL/IEC certified for EV, ESS, solar.
Dimensions (mm) 尺寸
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
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 environment temperature tolerance, Excellent resistance to mechanical vibration and impact resistance.
Fuse Ratings
| Connect | Part No. | Fuse Amps | Size | A²s Melting @250KA/1500Vdc |
A²t Clearing @250KA/1500Vdc |
Power Loss (W) @100% |
Approvals |
|---|---|---|---|---|---|---|---|
| Flush-end contact | GFEVT1500-100A-74E | 100A | 3# | 1,121 | 4,535 | 60 | ● ● |
| GFEVT1500-125A-74E | 125A | 3# | 1,706 | 8,091 | 68 | ● ● | |
| GFEVT1500-160A-74E | 160A | 3# | 3,705 | 13,566 | 90 | ● ● | |
| GFEVT1500-200A-74E | 200A | 3# | 5,070 | 22,772 | 110 | ● ● | |
| GFEVT1500-250A-74E | 250A | 3# | 10,140 | 43,605 | 120 | ● ● | |
| GFEVT1500-315A-74E | 315A | 3# | 20,604 | 73,644 | 136 | ● ● | |
| GFEVT1500-350A-74E | 350A | 3# | 28,309 | 100,441 | 148 | ● ● | |
| GFEVT1500-400A-74E | 400A | 3# | 37,320 | 130,559 | 171 | ● ● | |
| GFEVT1500-450A-74E | 450A | 3# | 52,570 | 186,198 | 187 | ● ● | |
| GFEVT1500-500A-74E | 500A | 3# | 71,128 | 250,479 | 204 | ● ● | |
| GFEVT1500-550A-74E | 550A | 3# | 89,014 | 306,195 | 221 | ● ● | |
| GFEVT1500-630A-74E | 630A | 3# | 125,840 | 422,594 | 248 | ● ● | |
| GFEVT1500-700A-74E | 700A | 3# | 174,518 | 573,595 | 273 | ● ● | |
| GFEVT1500-800A-74E | 800A | 3# | 271,019 | 863,105 | 294 | ● ● | |
| GFEVT1500-900A-74E | 900A | 3# | 389,563 | 1,192,378 | 305 | ○ ○ | |
| GFEVT1500-1000A-74E | 1000A | 3# | 523,585 | 1,549,528 | 362 | ○ ○ | |
| *GFEVT1500-1100A-74E | *1100A | 3# | 719,385 | 2,056,080 | 385 | ○ ○ | |
| *GFEVT1500-1200A-74E | *1200A | 3# | 973,208 | 2,682,900 | 391 | ○ ○ |