Wöhner 31974 two-pole DIN rail mounted photovoltaic fuse holder for 10 × 38 mm gPV fuse links, rated 30 A and 1000 V DC.
£17.97
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.
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.
| Current | 30 A |
|---|---|
| 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 |
It is designed for 10 × 38 mm photovoltaic (gPV) cylindrical fuse links manufactured to IEC / EN 60269-6.
The Wöhner 31974 is a two-pole fuse holder, making it suitable for protecting both positive and negative DC conductors.
The fuse holder is rated for 1000 V DC, making it ideal for photovoltaic and other high-voltage DC applications.
It mounts directly onto a standard DIN rail and uses secure cage clamp terminals for fast installation.
It is widely used in photovoltaic systems, solar combiner boxes, battery energy storage systems and industrial DC electrical installations.
Wöhner photovoltaic fuse holders are trusted worldwide for delivering dependable DC circuit protection, compact installation and long-term reliability in renewable energy applications.
● Service Agreements
Credit Accounts
Our service agreements are built to support long term procurement relationships. By working closely with engineering teams and procurement departments, we help streamline purchasing processes while ensuring consistent access to critical components and sourcing support when it matters most.
● frequently asked questions
At Led Controls Ltd we help engineers source the right automation and control gear with confidence. below are quick answers to what we are asked most often.
We supply all leading manfacturers in our industry. we offer next day delivery on most poplour products.
Your content goes here. Edit or remove this text inline or in the module Content settings. You can also style every aspect of this content in the module Design settings and even apply custom CSS to this text in the module Advanced settings.
Your content goes here. Edit or remove this text inline or in the module Content settings. You can also style every aspect of this content in the module Design settings and even apply custom CSS to this text in the module Advanced settings.
Your content goes here. Edit or remove this text inline or in the module Content settings. You can also style every aspect of this content in the module Design settings and even apply custom CSS to this text in the module Advanced settings.
Your content goes here. Edit or remove this text inline or in the module Content settings. You can also style every aspect of this content in the module Design settings and even apply custom CSS to this text in the module Advanced settings.
● latest blog
LED Controls is a specialist distributor of factory automation and industrial controls, supplying OEMs, machine builders, panel builders and end users throughout the UK and worldwide. As a trusted UK distributor for many of the world’s leading automation manufacturers, we provide industrial control products, technical expertise and bespoke automation solutions backed by outstanding customer service.
2025 has been a big year for LED Controls, and our blog has expanded accordingly. We've covered a wide range of topics across industrial control and factory automation this year. From core technology explainers and new product releases to panel building best practice...
2025 has been a big year for LED Controls, and our blog has expanded accordingly. We've covered a wide range of topics across industrial control and factory automation this year. From core technology explainers and new product releases to panel building best practice...