PV-15A-1500
15A 1500VDC gPV fuse for string protection in solar combiner boxes with UV-resistant construction.
Product Overview
Description
The PV-15A-1500 is a gPV-certified fuse designed for solar string protection.
With 1500V DC rating and 15A current capacity, this fuse meets the requirements of modern utility-scale solar installations.
The gPV certification ensures reliable DC interruption in photovoltaic applications.
Product Series
PV
Primary Application
Solar string protection
Key Features
- 1500V DC rating for utility-scale solar
- gPV certified per IEC 60269-7
- Fast-acting protection for PV strings
- Compact 10x85mm size
- UV-resistant construction
- Easy installation in combiner boxes
Specifications
| Voltage Rating | 1500V DC |
|---|---|
| Current Rating | 15A |
| Breaking Capacity | 20kA @ 1500V DC |
| Class | gPV |
| Size | 10x85mm |
| Mounting | PV fuse holder |
| Operating Temperature | -40°C to +90°C |
| Standards | IEC 60269-7, UL 248-19 |
Applications
Solar string protection
Renewable energy systems
Combiner box protection
Electronic system design
Inverter input protection
Electronic system design
DC combiner boxes
Electronic system design
Utility-scale solar installations
Renewable energy systems
Commercial rooftop solar
Renewable energy systems
FAE Expert Insights
"The PV series is my go-to recommendation for solar combiner box protection. The 1500V rating supports the industry trend toward higher voltage systems that reduce DC cabling costs. The gPV certification is essential - I've seen standard fuses fail to clear PV faults, creating fire hazards. For string sizing, the fuse should be sized at 1.5-1.8x the string short-circuit current (Isc). For a typical string with 10A Isc, a 15A or 20A fuse is appropriate. The compact size fits standard PV fuse holders, making installation straightforward. Bussmann quality ensures reliable outdoor operation in all weather conditions. I recommend this fuse for any utility-scale solar installation."
gPV-certified protection for utility-scale solar installations
— Jennifer Chen, BeiLuo
Frequently Asked Questions
How do I size solar fuses for string protection?
Solar fuse sizing: Fuse rating = 1.5-1.8 x string Isc. Use module Isc from datasheet (at STC). Consider temperature coefficient - Isc increases at low temperatures. Example: 10A Isc string needs 15A-18A fuse. Select next standard rating (15A or 20A).
Size at 1.5-1.8x string Isc.
What size string can use this 15A fuse?
The 15A fuse is suitable for strings with Isc of approximately 8-10A. Per NEC 690.9, 1.56 x 10A = 15.6A minimum. The 15A fuse is appropriate for typical 400-500W modules with Isc around 10A. For detailed specifications and application support on bussmann PV-15A-1500, refer to the datasheet or contact our team.
Use for strings with Isc 8-10A. Verify with module datasheet.
Is this fuse suitable for 1000V systems?
Yes, the 1500V rating is suitable for 1000V systems and provides excellent margin. The higher voltage rating also allows for future system upgrades to 1500V without changing fuses. For detailed specifications and application support on bussmann PV-15A-1500, refer to the datasheet or contact our team.
Suitable for 1000V systems with margin for future expansion.
What is the UV resistance rating?
The PV fuse housing is made of UV-resistant materials suitable for permanent outdoor exposure. The fuse meets UL 248-19 requirements for photovoltaic applications including UV exposure testing. For detailed specifications and application support on bussmann PV-15A-1500, refer to the datasheet or contact our team.
Verify UV resistance rating for outdoor installations.
What is the temperature rating of PV-15A-1500?
The PV-15A-1500 is rated for -40°C to +90°C ambient temperature. This wide range accommodates outdoor installations in various climates. Above 70°C ambient, current derating may be required to maintain safe operation.
Verify operating temperature range for your installation location.