PV-1500-25A
1500VDC 25A gPV fuse for large strings and high-power solar modules.
Product Overview
Description
The PV-1500-25A is designed for large solar strings and high-power modules with higher short-circuit currents.
With 1500VDC rating and 25A current, this fuse handles modern high-wattage solar modules in large strings.
The gPV classification ensures reliable protection for all fault conditions in high-power arrays.
Product Series
PV
Primary Application
Large commercial solar strings
Key Features
- 1500VDC rating for modern high-voltage systems
- gPV classification per IEC 60269-6
- 25A rating for large strings and high-power modules
- Full-range protection for all fault currents
- High temperature rating for rooftop installations
- Compatible with high-wattage modules (>500W)
Specifications
| Voltage Rating | 1500V DC |
|---|---|
| Current Rating | 25A |
| Breaking Capacity | 20kA @ 1500V DC |
| Size | 10x85mm |
| Mounting | PV fuse holder or inline |
| Operating Temperature | -40°C to +90°C |
| Time-Current | gPV full range |
| Standards | IEC 60269-6, UL 248-19 |
Applications
Large commercial solar strings
Renewable energy systems
High-power module protection
Electronic system design
Utility-scale solar farms
Renewable energy systems
Parallel string configurations
Electronic system design
Large rooftop installations
Electronic system design
FAE Expert Insights
"The PV-1500-25A is essential for modern high-power solar installations. With modules now exceeding 500W, short-circuit currents are higher than ever. A typical string of 500W+ modules can have 15-18A Isc, requiring 25-30A fuses. The 25A rating provides good margin for these high-power strings while the 1500V rating supports modern system architectures. I've used this fuse for utility-scale projects with the latest high-wattage modules with excellent results."
High-current 1500V/25A PV fuse for large strings and high-power modules
— Jennifer Liu, BeiLuo
Frequently Asked Questions
When do I need 25A vs 20A for PV strings?
Use 25A for: 1) High-wattage modules (>450W) with Isc >13A; 2) Large strings with 14-16A Isc; 3) Parallel string configurations; 4) Systems in cold climates where Isc is higher. Use 20A for: 1) Standard modules (300-450W) with Isc 10-13A; 2) Typical residential strings; 3) Moderate climate installations. Calculate: Fuse = 1.5-1.8 x Isc. For 14A Isc: 21-25A, so 25A is appropriate. Always check module datasheet for actual Isc at STC.
Calculate 1.5-1.8x Isc. Use 25A for high-power modules and large strings.