Wöhner 31543 10 x 38 mm cylindrical gPV fuse link rated at 8 A and 1000 V DC for photovoltaic system protection.
£24.95
The Wöhner 31543 is a high-performance 10 × 38 mm gPV cylindrical fuse link designed to provide reliable overcurrent protection for photovoltaic (PV) systems. Manufactured by Wöhner, this fuse is engineered specifically for protecting DC circuits in solar installations, helping safeguard equipment against overloads and short-circuit faults while maintaining dependable system performance.
Designed in accordance with IEC 60269-1 and IEC 60269-6 standards, the Wöhner 31543 delivers dependable protection for PV strings and combiner boxes. Its compact design allows easy installation into compatible 10 × 38 mm fuse holders, making it suitable for both new installations and maintenance applications.
With an 8 A rated current, 1000 V DC rating and 30 kA breaking capacity, the Wöhner 31543 provides reliable protection for modern photovoltaic systems where safe DC isolation and fault protection are essential.
Photovoltaic fuse links are specifically designed to safely interrupt DC fault currents generated within solar power systems. Unlike standard AC fuses, gPV fuse links are engineered to protect photovoltaic strings across their entire operating range, ensuring reliable protection for solar modules, inverters and associated equipment.
The Wöhner 31543 helps maximise system reliability by providing fast and dependable fault protection in demanding outdoor and industrial PV installations.
| Current | 8 A |
|---|---|
| Manufacturer | Wöhner |
| Model | 31543 |
| Product type | Cylindrical gPV fuse link |
| Rated current | 8 A |
| Rated voltage | 1000 V DC |
| Fuse class | gPV |
| Breaking capacity | 30 kA DC |
| Fuse size | 10 × 38 mm |
| Standards | IEC 60269-1, IEC 60269-6 |
| Material | Porcelain |
| Halogen free | Yes |
| Power dissipation | 1.6 W (full load) |
| Approximate dimensions (W × H × D) | 10 × 10 × 38 mm |
The Wöhner 31543 is designed to protect photovoltaic DC circuits from overloads and short-circuit faults.
This fuse has a maximum rated voltage of 1000 V DC.
The fuse is rated at 8 A.
The Wöhner 31543 is a standard 10 × 38 mm cylindrical fuse link.
Yes. It is a gPV fuse specifically designed for protecting photovoltaic installations and DC solar circuits.
Wöhner photovoltaic fuse links are trusted by electrical engineers and renewable energy professionals for delivering dependable DC circuit protection in demanding solar power applications.
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2025 has been a big year for LED Controls, and our blog has expanded accordingly. We've covered a wide range of topics across industrial control and factory automation this year. From core technology explainers and new product releases to panel building best practice...