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31349 Wohner fuse link 6 A, 600 V AC, time delay, Class J
Wöhner 31349 Mersen Class J time-delay cylindrical fuse link rated at 6 A, 600 V AC and 500 V DC for industrial overcurrent protection.
£25.43
Why Choose the Wöhner 31349 Class J Fuse Link?
The Wöhner 31349 is a premium Class J time-delay cylindrical fuse link designed to provide dependable overload and short-circuit protection for industrial electrical systems. Manufactured by Mersen for the Wöhner product range, it is specifically engineered for applications where temporary inrush currents are expected, such as motor circuits, transformers and industrial control equipment.
Rated at 6 A, the Wöhner 31349 operates at up to 600 V AC and 500 V DC. Its time-delay operating characteristic helps prevent nuisance fuse operation during equipment start-up while delivering rapid protection against sustained overloads and fault currents. The fuse complies with UL 248-8 and UL 248-1 standards for feeder circuits above 250 V.
Designed in the compact 21 × 57 mm Class J format, the fuse installs into compatible Class J fuse holders and provides exceptional interrupting capacity. Its porcelain, halogen-free construction ensures excellent thermal performance and long service life in demanding industrial environments.
Key Advantages
- Reliable Class J time-delay fuse protection.
- 6 A rated current for industrial control applications.
- Suitable for systems up to 600 V AC.
- Supports DC applications up to 500 V DC.
- Time-delay operation withstands temporary inrush currents.
- 200 kA AC interrupting capacity.
- Compact 21 × 57 mm cylindrical design.
Key Features
- Wöhner Class J fuse link.
- Manufactured by Mersen.
- 6 A rated current.
- 600 V AC rated voltage.
- 500 V DC rated voltage.
- Time-delay operating characteristic.
- Class J 30 A frame size.
- 200 kA AC SCCR.
- 100 kA DC SCCR.
- Porcelain, halogen-free construction.
Reliable Time-Delay Protection for Industrial Equipment
The Wöhner 31349 is engineered to withstand temporary inrush currents while providing dependable protection against overloads and short-circuit faults. It is ideal for protecting industrial control panels, motor circuits, transformers, automation systems and OEM machinery where reliable circuit protection is essential.
When installed in a compatible Class J fuse holder, the fuse helps maximise equipment protection while reducing unnecessary downtime caused by nuisance fuse operation.
Typical Applications
- Industrial control panels.
- Motor branch circuit protection.
- OEM machinery.
- Automation systems.
- Electrical switchboards.
- Industrial AC and DC power distribution.
Technical Specifications
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| Current | 6 A | |
|---|---|---|
| Manufacturer | Wöhner | |
| Fuse manufacturer | Mersen | |
| Model | 31349 | |
| Alternative SKU | 31349000 | |
| Product type | Cylindrical fuse link | |
| Fuse class | Class J | |
| Frame size | Class J 30 A | |
| Operating characteristic | Time delay | |
| Rated current | 6 A | |
| Rated voltage AC | 600 V | |
| Rated voltage DC | 500 V | |
| Rated frequency | 50 / 60 Hz | |
| AC short-circuit current rating | 200 kA | |
| DC short-circuit current rating | 100 kA | |
| Dimensions (W × H × D) | 21 × 57 × 21 mm | |
| Material | Porcelain | |
| Halogen-free | Yes | |
| Standards | UL 248-8, UL 248-1 | |
| GTIN / EAN | 4021267313494 | |
| Pack quantity | 10 | |
| Weight | Approx. 50 g per fuse |
Frequently Asked Questions
What is the Wöhner 31349 used for?
The Wöhner 31349 is a Class J time-delay fuse link designed to protect industrial electrical circuits against overloads and short circuits while allowing temporary inrush currents.
What is the current rating of the Wöhner 31349?
The fuse has a rated current of 6 A.
What voltage ratings does this fuse support?
The Wöhner 31349 is rated for applications up to 600 V AC and 500 V DC.
Is the Wöhner 31349 a fast-acting fuse?
No. It features a time-delay operating characteristic, allowing temporary inrush currents while protecting against sustained overloads.
Which fuse holders are compatible?
The Wöhner 31349 is designed for compatible Class J fuse holders accepting 21 × 57 mm cylindrical fuse links.
Trusted by Electrical Professionals Worldwide
Wöhner Class J fuse links are trusted by panel builders, OEM manufacturers and industrial electricians for delivering dependable overcurrent protection and reliable performance in demanding industrial electrical installations.
