Why Choose the Wöhner 03289 NH Fuse-Base for Photovoltaic Systems?
The Wöhner 03289 is a high-performance NH fuse-base for photovoltaic (PV) applications, engineered to provide a secure and reliable mounting solution for NH 1XL PV fuse links in high-voltage DC systems. Manufactured by Wöhner, this fuse-base is designed for demanding renewable energy installations where safety, durability and dependable electrical performance are essential.
Designed for panel mounting, the Wöhner 03289 features an M10 incoming screw connection with an outgoing connection to 2 × 30 × 10 mm busbars. Its touch-protected construction provides enhanced operator safety while allowing quick installation and maintenance in photovoltaic combiner boxes and DC distribution equipment.
Rated for 250 A, 1000 V AC and 1500 V DC, the Wöhner 03289 complies with IEC 60269-1, IEC 60269-2, UL 4248-1 and UL 4248-19, making it ideal for industrial solar power systems and renewable energy infrastructure.
Key Advantages
- Purpose-built NH fuse-base for photovoltaic installations.
- 250 A rated current for demanding PV applications.
- 1000 V AC / 1500 V DC operating capability.
- Touch-protected construction improves installation safety.
- Suitable for one or two 30 × 10 mm internal busbars.
- Designed for long-term reliability in renewable energy systems.
Key Features
- Manufacturer: Wöhner.
- Model: 03289.
- NH fuse-base for photovoltaic systems.
- 250 A rated current.
- 1000 V AC / 1500 V DC rated voltage.
- NH Size 1XL.
- Single-pole design.
- M10 incoming screw connection.
- Outgoing connection to 2 × 30 × 10 mm busbars.
- Panel mounting with touch protection.
Engineered for Modern Photovoltaic Installations
High-voltage photovoltaic systems require robust components capable of safely handling DC voltages while providing reliable protection against overloads and fault currents. The Wöhner 03289 provides a secure, touch-protected mounting solution for NH PV fuse links, helping maximise operational reliability and simplify maintenance.
Its compact panel-mounted design makes it suitable for photovoltaic combiner boxes, inverter systems and industrial DC distribution equipment where dependable protection and long service life are essential.
Typical Applications
- Photovoltaic combiner boxes.
- Solar power distribution systems.
- PV inverter protection.
- Renewable energy installations.
- Industrial DC switchboards.
- Utility-scale solar farms.