Standard delivery
£8 ex VAT · free over £200UK parcel delivery is £8 ex VAT, or free on orders over £200 ex VAT.
Heavier items may be charged at a weight-based or pallet rate, shown at checkout.
31400 Wohner cylindr. fuse link 12 A, 600 V AC, time delay, Class CC
Wöhner 31400 Class CC time-delay cylindrical fuse link rated at 12 A, 600 V AC and 300 V DC with a 200 kA interrupting capacity for industrial control transformer and circuit protection.
£18.80
Why Choose the Wöhner 31400 Class CC Fuse Link?
The Wöhner 31400 is a premium Class CC time-delay cylindrical fuse link designed to provide reliable overcurrent and short-circuit protection for industrial control transformer circuits and other critical electrical applications. Designed for use in industrial control panels, switchgear and OEM machinery, it complies with UL 248-1 and UL 248-4 standards for dependable protection in North American electrical systems.
With a 12 A rated current, 600 V AC operating voltage and a time-delay operating characteristic, the Wöhner 31400 is engineered to withstand temporary transformer and equipment inrush currents while providing dependable protection against sustained overloads and short-circuit faults. It also carries a 300 V DC rating, making it suitable for a wide range of industrial control applications.
Constructed with a robust porcelain body, the fuse delivers excellent thermal stability, high interrupting capacity and long service life. Its compact Class CC 10 × 38 mm format allows straightforward installation into compatible fuse holders while maintaining excellent electrical safety and reliability.
Key Advantages
- Compact Class CC time-delay fuse link for industrial control applications.
- 12 A rated current for dependable transformer and control circuit protection.
- 600 V AC and 300 V DC ratings for versatile industrial applications.
- Time-delay characteristic reduces nuisance operation during equipment start-up.
- 200 kA AC interrupting capacity provides outstanding fault-current protection.
- Durable porcelain construction ensures reliable long-term performance.
Key Features
- Wöhner Class CC cylindrical fuse link.
- Type number: Mersen ATQR.
- 12 A rated current.
- 600 V AC rated voltage.
- 300 V DC rated voltage.
- Class CC 10 × 38 mm fuse size.
- Time-delay operating characteristic.
- 200 kA AC and 100 kA DC SCCR.
Reliable Protection for Industrial Control Circuits
The Wöhner 31400 is specifically developed to protect control transformers and sensitive industrial control circuits. Its time-delay characteristic allows temporary transformer energisation currents without unnecessary fuse operation while maintaining effective protection against sustained overloads and short-circuit faults.
Its compact dimensions, high interrupting capacity and compliance with recognised UL standards make it an ideal choice for industrial automation systems, OEM machinery and electrical control panels where reliable circuit protection is essential.
Typical Applications
- Industrial control transformer protection.
- Machine control panels.
- Industrial automation systems.
- OEM machinery.
- Motor control equipment.
- Electrical distribution systems.
Technical Specifications
Tick the specs you need, then view products that match.
| Current | 12 A | |
|---|---|---|
| Manufacturer | Wöhner | |
| Model | 31400 | |
| Type number | ATQR | |
| Product type | Class CC cylindrical fuse link | |
| Rated current | 12 A | |
| Rated voltage AC | 600 V AC | |
| Rated voltage DC | 300 V DC | |
| Rated frequency | 50 / 60 Hz | |
| Fuse size | Class CC, 10 × 38 mm | |
| Operating characteristic | Time delay | |
| Short-circuit current rating AC | 200 kA | |
| Short-circuit current rating DC | 100 kA | |
| Primary application | Control transformer protection | |
| Standards | UL 248-1, UL 248-4 | |
| Approval | UL | |
| UL file | E2137 | |
| Body material | Porcelain | |
| Halogen-free | Yes | |
| Dimensions (W × H × D) | 10 × 10 × 38 mm | |
| Weight | approx. 8 g | |
| Pack quantity | 10 | |
| EAN | 4021267314002 |
Frequently Asked Questions
What is the Wöhner 31400 used for?
The Wöhner 31400 is designed to protect industrial control transformers and electrical control circuits against overloads and short-circuit faults.
What is the current rating of this fuse?
The Wöhner 31400 has a rated current of 12 A.
What voltage is this fuse designed for?
The fuse is rated for operation at up to 600 V AC and 300 V DC.
Why does this fuse use a time-delay characteristic?
The time-delay design allows temporary transformer and equipment inrush currents without nuisance operation while maintaining reliable protection against sustained overloads and short-circuit faults.
What fuse holder is required?
The Wöhner 31400 is a Class CC 10 × 38 mm fuse link and should be installed in a compatible Class CC fuse holder.
Trusted for Industrial Circuit Protection
Wöhner Class CC fuse links are trusted by panel builders, OEM manufacturers and industrial maintenance engineers for delivering dependable circuit protection, high interrupting capacity and long-term operational reliability.
