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31974 Wohner holder for cylindrical fuses
Wöhner 31974 two-pole DIN rail mounted photovoltaic fuse holder for 10 × 38 mm gPV fuse links, rated 30 A and 1000 V DC.
£14.37
Why Choose the Wöhner 31974 Photovoltaic Fuse Holder?
The Wöhner 31974 is a high-quality two-pole DIN rail mounted photovoltaic fuse holder, designed for 10 × 38 mm gPV cylindrical fuse links. As part of the Wöhner AMBUS® Panel range, it provides reliable overcurrent protection for photovoltaic installations, battery energy storage systems and other high-voltage DC applications. Rated at 30 A and 1000 V DC, it is engineered to deliver dependable protection in demanding renewable energy environments.
The compact two-pole design enables efficient protection of positive and negative DC circuits while reducing panel space requirements. Featuring a wide conductor clamping range, integrated label holder and secure cage clamp terminals, the Wöhner 31974 simplifies installation and maintenance for electrical contractors and panel builders.
Manufactured from halogen-free materials and certified to IEC, UL, CSA and CCC standards, the Wöhner 31974 is ideal for solar combiner boxes, DC distribution panels and industrial control systems requiring safe, reliable photovoltaic fuse protection.
Key Advantages
- Designed for 10 × 38 mm gPV cylindrical fuse links.
- Two-pole design for photovoltaic DC circuits.
- 30 A rated current.
- 1000 V DC operating voltage.
- DIN rail mounting for fast installation.
- Wide conductor clamping range.
- Integrated label holder for clear circuit identification.
- Halogen-free construction.
Key Features
- Wöhner AMBUS® Panel series.
- Two-pole cylindrical fuse holder.
- Compatible with 10 × 38 mm photovoltaic (gPV) fuse links.
- 30 A rated current.
- 1000 V DC rated voltage.
- DIN rail mounting.
- Cage clamp terminals.
- Integrated label holder.
- Suitable for photovoltaic and industrial DC systems.
Reliable DC Protection for Photovoltaic Systems
The Wöhner 31974 is specifically designed to protect modern photovoltaic installations using 10 × 38 mm gPV fuse links. Its compact two-pole configuration allows efficient protection of both positive and negative conductors while maintaining a neat, space-saving panel layout.
Robust cage clamp terminals, DIN rail mounting and international approvals make it an excellent choice for solar combiner boxes, battery storage equipment and industrial DC distribution systems where long-term reliability is essential.
Typical Applications
- Photovoltaic combiner boxes.
- Solar power installations.
- Battery energy storage systems.
- DC distribution panels.
- Industrial DC control systems.
- Renewable energy installations.
Technical Specifications
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| Conductor Size | 0.75–25 mm² | |
|---|---|---|
| Device Type | Busbar holder / support | |
| Current | 30 A | |
| Poles | 2-pole | |
| Manufacturer | Wöhner | |
| Series | AMBUS® Panel | |
| Model | 31974 | |
| Product type | Photovoltaic cylindrical fuse holder | |
| Fuse size | 10 × 38 mm | |
| Fuse standard | IEC / EN 60269-6 | |
| Number of poles | 2 | |
| Rated current | 30 A | |
| Rated operating voltage | 1000 V DC | |
| Rated insulation voltage | 1000 V DC | |
| Rated impulse withstand voltage | 8 kV | |
| Conditional short-circuit current | 20 kA at 1000 V DC (with suitable gPV fuse) | |
| Permitted fuse power dissipation | 4 W | |
| Mounting type | DIN rail | |
| Connection type | Cage clamp | |
| Conductor size | 0.75–25 mm² (AWG 18–4) | |
| Degree of protection | IP20 | |
| Material | Halogen-free | |
| Approvals | IEC (CB), UL, CSA, CCC |
Frequently Asked Questions
What fuse size does the Wöhner 31974 accept?
It is designed for 10 × 38 mm photovoltaic (gPV) cylindrical fuse links manufactured to IEC / EN 60269-6.
How many poles does the Wöhner 31974 have?
The Wöhner 31974 is a two-pole fuse holder, making it suitable for protecting both positive and negative DC conductors.
What is the rated voltage of the Wöhner 31974?
The fuse holder is rated for 1000 V DC, making it ideal for photovoltaic and other high-voltage DC applications.
How is the Wöhner 31974 installed?
It mounts directly onto a standard DIN rail and uses secure cage clamp terminals for fast installation.
Where is the Wöhner 31974 commonly used?
It is widely used in photovoltaic systems, solar combiner boxes, battery energy storage systems and industrial DC electrical installations.
Trusted by Renewable Energy Professionals
Wöhner photovoltaic fuse holders are trusted worldwide for delivering dependable DC circuit protection, compact installation and long-term reliability in renewable energy applications.
