Wöhner 31558 gPV cylindrical fuse link rated at 25 A and 1100 V DC for photovoltaic string protection and renewable energy systems.
£37.20
The Wöhner 31558 is a high-performance gPV cylindrical fuse link designed specifically for protecting photovoltaic (PV) installations against overloads and short circuits. Rated at 25 A and 1100 V DC, this 14 × 85 mm fuse link provides dependable protection for solar strings, combiner boxes and inverter DC circuits operating under demanding conditions.
Manufactured by Wöhner, a leading specialist in electrical power distribution technology, the 31558 complies with the requirements for gPV photovoltaic protection, delivering full-range DC circuit protection for modern renewable energy systems. Its ceramic body provides excellent mechanical strength and thermal performance, making it suitable for long-term outdoor and industrial installations.
Featuring a 25 A current rating, 1100 V DC operating voltage and a 30 kA breaking capacity, the Wöhner 31558 is an ideal choice for photovoltaic installations requiring reliable, standards-compliant DC overcurrent protection.
The Wöhner 31558 has been developed specifically for modern photovoltaic installations where dependable DC fault protection is essential. Its gPV characteristic provides full-range protection against overloads and short circuits, helping safeguard solar modules, string wiring, combiner boxes and inverter inputs.
Its robust ceramic construction and high DC breaking capacity make it suitable for residential, commercial and utility-scale photovoltaic systems operating at voltages up to 1100 V DC.
| Current | 25 A |
|---|---|
| Manufacturer | Wöhner |
| Model | 31558 |
| Part number | 31558 000 |
| Product type | gPV cylindrical fuse link |
| Operating category | gPV |
| Rated current | 25 A |
| Rated voltage | 1100 V DC |
| Breaking capacity | 30 kA DC |
| Fuse size | 14 × 85 mm |
| Body material | Porcelain |
| Halogen free | Yes |
| Power dissipation | 5.9 W |
| Dimensions (W × H × D) | 14 × 14 × 85 mm |
| Weight | Approx. 27 g |
The Wöhner 31558 protects photovoltaic DC circuits against overloads and short circuits using the gPV operating category.
The fuse has a rated current of 25 A.
The fuse is designed for photovoltaic systems operating at up to 1100 V DC.
The Wöhner 31558 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.
● Service Agreements
Credit Accounts
Our service agreements are built to support long term procurement relationships. By working closely with engineering teams and procurement departments, we help streamline purchasing processes while ensuring consistent access to critical components and sourcing support when it matters most.
● frequently asked questions
At Led Controls Ltd we help engineers source the right automation and control gear with confidence. below are quick answers to what we are asked most often.
We supply all leading manfacturers in our industry. we offer next day delivery on most poplour products.
Your content goes here. Edit or remove this text inline or in the module Content settings. You can also style every aspect of this content in the module Design settings and even apply custom CSS to this text in the module Advanced settings.
Your content goes here. Edit or remove this text inline or in the module Content settings. You can also style every aspect of this content in the module Design settings and even apply custom CSS to this text in the module Advanced settings.
Your content goes here. Edit or remove this text inline or in the module Content settings. You can also style every aspect of this content in the module Design settings and even apply custom CSS to this text in the module Advanced settings.
Your content goes here. Edit or remove this text inline or in the module Content settings. You can also style every aspect of this content in the module Design settings and even apply custom CSS to this text in the module Advanced settings.
● latest blog
LED Controls is a specialist distributor of factory automation and industrial controls, supplying OEMs, machine builders, panel builders and end users throughout the UK and worldwide. As a trusted UK distributor for many of the world’s leading automation manufacturers, we provide industrial control products, technical expertise and bespoke automation solutions backed by outstanding customer service.
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...
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...