Why Choose the Wöhner 31545 Cylindrical Fuse Link?
The Wöhner 31545 is a high-quality 10 × 38 mm gPV cylindrical fuse link designed to provide dependable overcurrent protection for photovoltaic (PV) systems. Engineered specifically for DC solar applications, this fuse safeguards photovoltaic strings and associated equipment against overloads and short-circuit faults, helping to maximise the safety, efficiency and reliability of renewable energy installations.
Manufactured in accordance with IEC 60269-1 and IEC 60269-6, the Wöhner 31545 offers reliable protection for modern solar power systems. Its compact 10 × 38 mm format enables quick installation into compatible cylindrical fuse holders used in combiner boxes, DC isolators and inverter installations.
With a 12 A rated current, 1000 V DC voltage rating and a 30 kA breaking capacity, the Wöhner 31545 is ideal for protecting photovoltaic strings operating in demanding commercial and industrial environments.
Key Advantages
- Designed specifically for photovoltaic (gPV) applications.
- 12 A rated current for PV string protection.
- 1000 V DC rated voltage suitable for modern solar installations.
- 30 kA DC breaking capacity provides excellent fault interruption.
- Compatible with standard 10 × 38 mm fuse holders.
- Manufactured to recognised IEC standards for dependable long-term operation.
Key Features
- Wöhner cylindrical fuse link.
- gPV operating class for photovoltaic protection.
- 12 A rated current.
- 1000 V DC rated voltage.
- 30 kA DC breaking capacity.
- 10 × 38 mm cylindrical construction.
- Porcelain body with halogen-free construction.
- Suitable for photovoltaic strings, combiner boxes and DC distribution systems.
Reliable Protection for Photovoltaic Systems
Photovoltaic fuse links are specifically designed to interrupt DC fault currents safely within solar energy systems. Unlike conventional AC fuses, gPV fuse links provide full-range protection across the operating characteristics of photovoltaic installations, helping to protect solar modules, inverters and associated DC equipment.
The Wöhner 31545 provides fast, dependable overcurrent protection that helps improve the long-term reliability and operational safety of residential, commercial and industrial photovoltaic 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.