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31547 Wohner cylindr. fuse link 20 A
Wöhner 31547 gPV cylindrical fuse link rated at 20 A and 1000 V DC for photovoltaic string protection and solar power distribution systems.
£23.25
Why Choose the Wöhner 31547 gPV Cylindrical Fuse Link?
The Wöhner 31547 is a high-performance gPV cylindrical fuse link designed specifically for protecting photovoltaic (PV) systems against overloads and short circuits. Rated at 20 A and 1000 V DC, this fuse provides reliable protection for solar strings, combiner boxes and DC power distribution systems operating under demanding environmental conditions.
Manufactured by Wöhner, a leading specialist in electrical power distribution technology, the 31547 fuse link complies with IEC 60269-1 and IEC 60269-6 standards. Its gPV operating class provides full-range protection for photovoltaic installations, helping safeguard solar modules, inverters and associated DC equipment from damaging fault currents.
Featuring a compact 10 × 38 mm cylindrical format, a 20 A current rating and a 30 kA DC breaking capacity, the Wöhner 31547 is an ideal choice for solar energy systems requiring dependable DC circuit protection and long-term operational reliability.
Key Advantages
- Designed specifically for photovoltaic (gPV) applications.
- 20 A rated current for DC solar circuits.
- 1000 V DC rated voltage for modern PV installations.
- 30 kA DC breaking capacity for reliable fault protection.
- Compact 10 × 38 mm cylindrical design fits standard PV fuse holders.
- Manufactured to IEC standards for dependable long-term performance.
Key Features
- Wöhner gPV cylindrical fuse link.
- 20 A rated current.
- 1000 V DC rated voltage.
- gPV operating class.
- 10 × 38 mm fuse size.
- 30 kA DC breaking capacity.
- Porcelain body construction.
- Halogen-free materials.
Reliable Protection for Photovoltaic Systems
Photovoltaic fuse links are specifically engineered to interrupt DC fault currents safely and efficiently. The gPV operating class provides full-range protection, helping prevent damage to solar panels, combiner boxes, string wiring and inverters while maintaining the safety and reliability of the installation.
The Wöhner 31547 is suitable for residential, commercial and industrial photovoltaic systems where dependable DC protection is essential for long-term system performance and compliance with international standards.
Typical Applications
- Solar PV string protection.
- Photovoltaic combiner boxes.
- DC isolator assemblies.
- Solar inverter protection.
- Renewable energy installations.
- Industrial photovoltaic systems.
Technical Specifications
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| Current | 20 A | |
|---|---|---|
| Manufacturer | Wöhner | |
| Model | 31547 | |
| Part number | 31547 000 | |
| Product type | gPV cylindrical fuse link | |
| Operating class | gPV | |
| Rated current | 20 A | |
| Rated voltage | 1000 V DC | |
| Fuse size | 10 × 38 mm | |
| Breaking capacity | 30 kA DC | |
| Standards | IEC 60269-1, IEC 60269-6 | |
| Body material | Porcelain | |
| Halogen free | Yes | |
| Power dissipation | 2.5 W at full load | |
| Dimensions (W × H × D) | 10 × 10 × 38 mm | |
| Approximate weight | 6 g |
Frequently Asked Questions
What is the Wöhner 31547 used for?
The Wöhner 31547 is designed to protect photovoltaic DC circuits against overloads and short circuits.
What is the current rating of this fuse?
This fuse has a rated current of 20 A.
What voltage is the Wöhner 31547 rated for?
The fuse is designed for photovoltaic systems operating at up to 1000 V DC.
What does the gPV operating class mean?
The gPV classification provides full-range protection for photovoltaic installations, protecting solar circuits against overloads and short circuits.
What fuse size is the Wöhner 31547?
The Wöhner 31547 is manufactured in the standard 10 × 38 mm cylindrical format for compatible PV fuse holders.
Trusted for Photovoltaic Protection
Wöhner gPV fuse links are trusted by solar installers, panel builders and renewable energy engineers for delivering reliable DC circuit protection, high performance and dependable long-term operation in photovoltaic installations.
