PV-1500-30A
1500VDC 30A gPV fuse for solar string protection in combiner boxes and inverters.
Product Overview
Description
The PV-1500-30A is a gPV-classified fuse designed for photovoltaic string protection.
With 1500VDC rating, this fuse supports modern high-voltage solar systems.
The 30A rating is ideal for typical solar strings with 10-15A operating current.
Product Series
PV
Primary Application
Solar string protection in combiner boxes
Key Features
- 1500VDC rating for modern PV systems
- gPV classification per IEC 60269-6
- Full-range protection for all fault currents
- High temperature rating for rooftop installations
- Compact size fits standard PV fuse holders
- UV-resistant for outdoor applications
Specifications
| Voltage Rating | 1500V DC |
|---|---|
| Current Rating | 30A |
| Breaking Capacity | 20kA @ 1500V DC |
| Size | 10x85mm (10x38 compatible) |
| 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
Solar string protection in combiner boxes
Renewable energy systems
PV inverter DC input protection
Electronic system design
Residential solar systems
Renewable energy systems
Commercial rooftop installations
Electronic system design
Utility-scale solar farms
Renewable energy systems
FAE Expert Insights
"I've specified PV fuses for hundreds of solar installations, and the PV-1500 series consistently delivers reliable performance. The gPV classification is essential - I've seen installations where standard fuses failed to clear faults, creating fire hazards. The 1500V rating supports the industry trend toward higher voltage systems that reduce DC wiring costs. For string sizing, I typically recommend fuses at 1.5x to 1.8x the string short-circuit current (not operating current). For example, a string with 10A Isc gets a 15A or 20A fuse. The 30A rating is perfect for larger strings or parallel configurations. Always use proper PV fuse holders - standard industrial holders may not be rated for 1500VDC."
gPV-certified protection for 1500V solar systems with reliable fault clearing
— Jennifer Liu, BeiLuo
Frequently Asked Questions
How do I size PV fuses for solar strings?
PV fuse sizing formula: Fuse Rating = 1.5 x to 1.8 x Isc (string short-circuit current). Example: String with 10A Isc requires 15A to 18A fuse, so select 15A or 20A standard rating. Never size based on operating current (Imp) - always use Isc. Consider: 1) Module Isc at Standard Test Conditions (STC); 2) Temperature coefficient - Isc increases at low temperatures; 3) Future degradation - modules produce more current when new; 4) Safety margin - NEC requires minimum 1.56x Isc. Round up to next standard fuse size.
Calculate 1.5x to 1.8x string Isc and select next standard rating. Contact our FAE for complex array designs.