Why Choose the Wöhner 31544 Cylindrical Fuse Link?
The Wöhner 31544 is a high-performance 10 × 38 mm gPV cylindrical fuse link designed to provide dependable overcurrent protection for photovoltaic (PV) systems. Specifically engineered for DC solar applications, this fuse protects photovoltaic strings and associated equipment from overloads and short-circuit faults, helping maximise system safety and reliability.
Manufactured in accordance with IEC 60269-1 and IEC 60269-6, the Wöhner 31544 delivers reliable protection for modern solar installations. Its compact cylindrical design allows straightforward installation into compatible 10 × 38 mm fuse holders used in combiner boxes, inverters and DC distribution systems.
With a 10 A rated current, 1000 V DC voltage rating and a 30 kA breaking capacity, the Wöhner 31544 provides excellent protection for photovoltaic circuits operating under demanding environmental conditions.
Key Advantages
- Designed specifically for photovoltaic (gPV) applications.
- 10 A rated current for PV string protection.
- 1000 V DC voltage rating suitable for modern solar systems.
- 30 kA DC breaking capacity for dependable fault interruption.
- Compatible with standard 10 × 38 mm fuse holders.
- Manufactured to recognised IEC standards for reliable long-term performance.
Key Features
- Wöhner cylindrical fuse link.
- gPV operating class for photovoltaic protection.
- 10 A rated current.
- 1000 V DC rated voltage.
- 30 kA breaking capacity.
- 10 × 38 mm cylindrical construction.
- Porcelain body with halogen-free materials.
- Suitable for PV strings, combiner boxes and DC distribution circuits.
Reliable Protection for Photovoltaic Systems
Photovoltaic fuse links are specially designed to safely interrupt DC fault currents generated within solar power installations. Unlike standard AC fuses, gPV fuse links provide protection across the full operating range of photovoltaic systems, ensuring effective safeguarding of solar modules, inverters and associated electrical equipment.
The Wöhner 31544 delivers fast and reliable overcurrent protection that helps improve the safety, performance and longevity of commercial and industrial solar power systems.
Typical Applications
- Solar photovoltaic string protection.
- PV combiner boxes.
- DC distribution systems.
- Renewable energy installations.
- Commercial and industrial solar arrays.
- Battery energy storage DC protection.