Wöhner 31559 gPV cylindrical fuse link rated at 20 A and 1100 V DC for photovoltaic string protection and renewable energy systems.
£37.20
The Wöhner 31559 is a high-performance gPV cylindrical fuse link specifically designed to protect photovoltaic (PV) systems against overloads and short circuits. Rated at 20 A and 1100 V DC, this 14 × 85 mm fuse link delivers dependable protection for solar strings, combiner boxes and inverter DC circuits operating in demanding environments.
Manufactured by Wöhner, a global leader in electrical power distribution technology, the 31559 complies with IEC 60269-1 and IEC 60269-6 standards. Its gPV utilisation category provides full-range protection for photovoltaic installations, helping to safeguard solar modules, string wiring and inverter inputs from damaging fault currents.
Featuring a 20 A current rating, 1100 V DC rated voltage and a 30 kA DC breaking capacity, the Wöhner 31559 offers reliable performance and long service life in residential, commercial and utility-scale photovoltaic systems.
The Wöhner 31559 has been developed specifically for modern photovoltaic installations where dependable DC fault protection is essential. Its gPV operating category provides full-range protection against overloads and short circuits, helping to protect solar modules, combiner boxes, DC cabling and inverter inputs.
Its robust porcelain construction, high DC breaking capacity and compliance with international standards make it suitable for residential, commercial and utility-scale photovoltaic systems operating at up to 1100 V DC.
| Current | 20 A |
|---|---|
| Manufacturer | Wöhner |
| Model | 31559 |
| Part number | 31559 000 |
| Product type | gPV cylindrical fuse link |
| Operating category | gPV |
| Rated current | 20 A |
| Rated voltage | 1100 V DC |
| Breaking capacity | 30 kA DC |
| Fuse size | 14 × 85 mm |
| Standards | IEC 60269-1, IEC 60269-6 |
| Body material | Porcelain |
| Halogen free | Yes |
| Power dissipation | 4.7 W (full load) |
| Dimensions (W × H × D) | 14 × 14 × 85 mm |
| Approximate weight | 27 g |
The Wöhner 31559 protects photovoltaic DC circuits against overloads and short circuits using the gPV operating category.
The fuse has a rated current of 20 A.
The fuse is designed for photovoltaic systems operating at up to 1100 V DC.
The Wöhner 31559 uses the standard 14 × 85 mm cylindrical format.
The gPV utilisation category provides full-range protection for photovoltaic circuits against overload and short-circuit faults.
Wöhner gPV fuse links are trusted by solar installers, panel builders and renewable energy engineers for delivering dependable DC protection, excellent reliability and long service life in photovoltaic installations.
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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...