H4FG
1500V DC high-speed fuse for protection of high-current PCS systems, DC bus, and power conversion circuits in energy storage applications.
| Manufacturer | Holly |
|---|---|
| Rated Voltage | DC 1500V |
| Current Range | 400A – 2000A |
| Utilization Category | aR |
| Breaking Capacity | 250kA |
| Standards | IEC 60269-4; UL 248-13 |
Certificates
Key Features
- High breaking capacity for high-current 1500V DC applications
- Reliable protection for DC bus and power conversion systems
- Designed for heavy-duty energy storage and PCS applications
- Stable performance under high fault energy conditions
Product Dimensions (mm)
Typical Time–Current Characteristics
Where This Fuse Is Used
Ideal for protection in combiner cabinets, centralized PCS, and DC link circuits in energy storage applications.
- PCS main circuit protection
- DC bus protection in energy storage systems
- High-current power circuits between battery and PCS
How to Select the Right Fuse
Follow these 4 steps to ensure proper fuse selection for your energy storage system.
1
Identify Installation Point
Determine where the fuse will be installed within the system.
2
Define System Parameters
Confirm system voltage and determine the continuous operating current.
3
Check Fault Conditions
Ensure the fuse breaking capacity exceeds the prospective fault current.
4
Select Fuse Type
Choose the appropriate fuse type based on application and protection requirements.