Wöhner 31397 Class CC time-delay cylindrical fuse link rated at 3 A and 600 V AC with a 200 kA short-circuit current rating for industrial control transformer and circuit protection.
£23.50
The Wöhner 31397 is a premium Class CC time-delay cylindrical fuse link designed to provide dependable overcurrent and short-circuit protection for industrial control transformer circuits and other critical electrical applications. Manufactured by Wöhner, this fuse complies with UL 248-4 requirements and is ideal for use in industrial control panels, switchgear and OEM machinery.
With a 3 A rated current, 600 V AC operating voltage and a time-delay characteristic, the Wöhner 31397 is engineered to withstand temporary transformer and motor inrush currents while providing reliable protection against sustained overloads and short-circuit faults. Its compact design makes it ideal for modern industrial automation systems.
Manufactured with a durable porcelain body, the fuse delivers excellent thermal stability, high breaking capacity and long service life. The compact Class CC 10 × 38 mm format allows easy installation into compatible fuse holders while maintaining high levels of electrical safety and reliability.
The Wöhner 31397 is specifically developed for protecting control transformers, industrial control equipment and sensitive electrical circuits. Its time-delay characteristic permits normal transformer energisation and temporary inrush currents without unnecessary fuse operation while still providing dependable protection against prolonged overloads and fault conditions.
Its compact Class CC format, high interrupting capacity and compliance with recognised UL standards make it a dependable choice for industrial automation, machinery and OEM electrical equipment requiring reliable circuit protection.
| Current | 3 A |
|---|---|
| Manufacturer | Wöhner |
| Model | 31397 |
| Product type | Class CC cylindrical fuse link |
| Rated current | 3 A |
| Rated voltage | 600 V AC |
| Rated frequency | 50 / 60 Hz |
| Fuse size | Class CC, 10 × 38 mm |
| Operating characteristic | Time delay |
| Short-circuit current rating | 200 kA |
| Primary application | Control transformer protection |
| Standards | UL 248-1, UL 248-4 |
| Body material | Porcelain |
| Halogen-free | Yes |
| Dimensions (W × H × D) | 10 × 10 × 38 mm |
| Approximate weight | 8 g |
| Pack quantity | 10 |
It is primarily used to protect industrial control transformers and electrical circuits against overloads and short-circuit faults.
The Wöhner 31397 has a rated current of 3 A.
This fuse is designed for operation on systems up to 600 V AC.
The time-delay design allows temporary inrush currents during transformer energisation while maintaining reliable protection against sustained overloads and short-circuit faults.
The Wöhner 31397 is a Class CC 10 × 38 mm fuse link and should be installed in a compatible Class CC fuse holder with the appropriate electrical ratings.
Wöhner Class CC fuse links are trusted by panel builders, OEM manufacturers and industrial maintenance engineers for delivering reliable circuit protection, high interrupting capacity and dependable long-term performance.
● 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...