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31558 Wohner cylindr. fuse link 25 A
Wöhner 31558 gPV cylindrical fuse link rated at 25 A and 1100 V DC for photovoltaic string protection and renewable energy systems.
£29.76
Why Choose the Wöhner 31558 gPV Cylindrical Fuse Link?
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.
Key Advantages
- Designed specifically for photovoltaic (gPV) protection.
- 25 A rated current.
- 1100 V DC rated voltage.
- 30 kA DC breaking capacity.
- 14 × 85 mm cylindrical format for compatible PV fuse holders.
- Porcelain body with halogen-free construction for long service life.
Key Features
- Wöhner gPV cylindrical fuse link.
- 25 A rated current.
- 1100 V DC rated voltage.
- gPV utilisation category.
- 14 × 85 mm fuse size.
- 30 kA DC breaking capacity.
- Porcelain body.
- Halogen-free materials.
Reliable Protection for High-Voltage PV Systems
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.
Typical Applications
- Solar PV string protection.
- Photovoltaic combiner boxes.
- DC inverter protection.
- Renewable energy systems.
- Industrial photovoltaic installations.
- Utility-scale solar farms.
Technical Specifications
Tick the specs you need, then view products that match.
| 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 |
Frequently Asked Questions
What is the Wöhner 31558 used for?
The Wöhner 31558 protects photovoltaic DC circuits against overloads and short circuits using the gPV operating category.
What is the current rating?
The fuse has a rated current of 25 A.
What voltage is the Wöhner 31558 rated for?
The fuse is designed for photovoltaic systems operating at up to 1100 V DC.
What fuse size is the Wöhner 31558?
The Wöhner 31558 uses the standard 14 × 85 mm cylindrical format.
What does the gPV classification mean?
The gPV utilisation category provides full-range protection for photovoltaic circuits against overload and short-circuit faults.
Trusted for Professional Photovoltaic Protection
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.
