Description
GFBFG4-S-105ES Energy Storage Fuse 400A-2000A 1500V
The GFBFG4-S-105ES is a heavy-duty, high-power DC fuse designed specifically for 1500V energy storage systems (ESS). Covering 400A to 2000A, it delivers ultra-high breaking performance and reliable protection for large-scale battery energy storage, power conversion systems (PCS), and high-power DC distribution.
Core Specifications
- Model: GFBFG4-S-105ES
- Voltage: 1500VDC
- Current: 400A, 500A, 630A, 800A, 1000A, 1250A, 1600A, 2000A
- Breaking Capacity: 250kA @ 1500VDC (L/R ≤ 5ms)
- Min. Breaking Current: >5 × In
- Class: aR (fast-acting, semiconductor protection)
- Standards: UL 248-13, IEC 60269-4, CE, RoHS
- Operating Temp: -40°C to +85°C
- Mounting: Bolted connection
- Construction: Square ceramic body, arc-quenching filled
Key Advantages
-
Ultra-High Breaking Performance
Safely interrupts 250kA fault currents at 1500VDC, protecting high-power battery banks and converters from catastrophic short circuits.
-
Fast aR Protection
Millisecond response for critical components: IGBTs, battery modules, PCS, and DC busbars. Low I²t energy let-through minimizes damage.
-
Wide Current Range (400–2000A)
One series covers small to utility-scale ESS, battery clusters, and high-power EV charging systems.
-
Extreme Environment Robustness
-40°C to +85°C operation, high vibration resistance (≥20g), suitable for outdoor ESS and industrial use.
-
Certified & Globally Compatible
Full compliance with UL 248-13, IEC, CE, RoHS. Ideal for international energy storage projects.
Main Applications
- Large-Scale Energy Storage Systems (ESS)
Battery rack/cluster protection, DC bus, PCS, BMS protection.
- Utility & Industrial ESS
Grid-scale storage, solar/wind hybrid systems, industrial backup power.
- High-Power EV Charging
Ultra-fast DC charging stations, fleet charging hubs.
- Other High-Power DC
PV inverter DC side, industrial drives, DC microgrids, shipboard power.
Why Choose GFBFG4-S-105ES?
- High power density: Compact square body for high-current ESS.
- Low power loss: Improves system efficiency.
- Long cycle life: Stable under repeated charge/discharge stresses.
- Factory direct: Stock availability, custom support, global shipping.
GFBFG4-S-105ES Energy Storage Fuse 400A-2000A 1500V Ess fuses
Dimensions (mm)
Description
Standards & Approvals
- Refer to UL 248-13
- Reach declaration available upon request
- CE certified
- RoHS compliant
Work/Storage Conditions
- Operating temperature: -40℃ to +85℃
- Storage:
- Fuses should be stored in their original packaging under clean, dust-free conditions
- Storage conditions should not exceed 70% relative humidity
- Storage temperature range: -40℃ to +85℃
Features & Benefits
- Bolt-connected fuse designed for partial range protection
- Strong current limiting and high breaking capacity
- Suitable for energy storage, wind power, and other industrial applications
- Provides short-circuit protection for energy storage systems, power systems, and other equipment
Fuse Ratings
| Part Number | Fuse Amperage | Interrupting Capacity | Average @100KA/1500Vdc 10-15ms |
Power Loss (W) | ||
|---|---|---|---|---|---|---|
| A²s Melting | A²s Clearing | 50% | 100% | |||
| GFBFG4-400S-105ES | 400A | 100kA | 42,250 | 255,800 | 84 | 168 |
| GFBFG4-500S-105ES | 500A | 100kA | 93,500 | 585,500 | 87.5 | 175 |
| GFBFG4-630S-105ES | 630A | 100kA | 163,000 | 1,020,500 | 92.5 | 185 |
| GFBFG4-700S-105ES | 700A | 100kA | 225,500 | 1,320,000 | 96 | 192 |
| GFBFG4-800S-105ES | 800A | 100kA | 310,000 | 1,970,000 | 98 | 196 |
| GFBFG4-900S-105ES | 900A | 100kA | 425,000 | 2,600,000 | 100 | 200 |
| GFBFG4-1000S-105ES | 1000A | 100kA | 640,000 | 4,005,000 | 105 | 210 |
| GFBFG4-1100S-105ES | 1100A | 100kA | 780,300 | 4,950,000 | 110 | 220 |
| GFBFG4-1200S-105ES | 1200A | 100kA | 915,000 | 5,865,500 | 121 | 242 |
| GFBFG4-1250S-105ES | 1250A | 100kA | 1,080,000 | 7,150,600 | 127.5 | 255 |
| GFBFG4-1300S-105ES | 1300A | 100kA | 1,300,000 | 8,040,000 | 130 | 260 |
| GFBFG4-1350S-105ES | 1350A | 100kA | 1,320,000 | 9,060,000 | 133 | 266 |
| GFBFG4-1400S-105ES | 1400A | 100kA | 1,665,000 | 10,700,000 | 137.5 | 275 |
| GFBFG4-1500S-105ES | 1500A | 100kA | 1,870,000 | 11,950,500 | 141 | 282 |
| GFBFG4-1600S-105ES | 1600A | 100kA | 2,235,000 | 14,880,000 | 147 | 294 |
| GFBFG4-1800S-105ES | 1800A | 100kA | 2,850,000 | 17,950,000 | 156.5 | 313 |
| *GFBFG4-2000S-105ES | *2000A | 100kA | 3,750,000 | 23,900,000 | 172.5 | 345 |
| *：If there are any requirements, please communicate with the original factory staff first. | ||||||