HE7aR
750V DC high-speed fuse for protection of DC circuits and auxiliary branches in energy storage high voltage boxes.
| Manufacturer | Holly |
|---|---|
| Rated Voltage | DC 750V |
| Current Range | 10A – 200A |
| Utilization Category | aR |
| Breaking Capacity | 50kA |
| Standards | IEC 60269-4; UL 248-13 |
Certificates
Key Features
- Fast-acting protection for semiconductor circuits
- High breaking capacity under 750V DC fault conditions
- Designed for DC distribution and auxiliary circuits
- Compact cylindrical design for flexible installation
Product Dimensions (mm)
Typical Time–Current Characteristics
Where This Fuse Is Used
Designed for installation in energy storage high voltage boxes, this fuse provides fast protection for DC distribution and auxiliary circuits under fault conditions.
- DC distribution circuits in high voltage boxes
- Auxiliary circuit protection in energy storage systems
- Branch circuit protection within DC systems
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.