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.
31514 Wohner fuse link 50 A
Wöhner 31514 Mersen A4J Class J fast-acting cylindrical fuse link rated at 50 A, 600 V AC and 300 V DC with a 200 kA AC interrupting capacity for industrial branch-circuit protection.
£44.93
Why Choose the Wöhner 31514 Class J Fast-Acting Fuse Link?
The Wöhner 31514 is a premium Class J fast-acting cylindrical fuse link engineered for rapid overcurrent and short-circuit protection in industrial branch circuits. Manufactured using the proven Mersen A4J fuse series, it complies with UL 248-1 and UL 248-8 standards, making it ideal for industrial control panels, switchgear, motor control centres and OEM machinery.
Rated at 50 A, the Wöhner 31514 operates at 600 V AC and 300 V DC, providing fast fault interruption to protect conductors and sensitive electrical equipment from overloads and short circuits. Its fast-acting characteristic ensures rapid isolation of fault currents where immediate protection is essential.
Constructed with a durable porcelain body, this compact Class J 27 × 60 mm fuse delivers a 200 kA AC interrupting capacity and 100 kA DC SCCR, making it suitable for demanding industrial electrical installations with high prospective fault currents.
Key Advantages
- High-performance Class J fast-acting fuse link.
- 50 A rated current for industrial branch-circuit protection.
- 600 V AC / 300 V DC operating voltage.
- Fast-acting characteristic for immediate fault interruption.
- 200 kA AC interrupting capacity and 100 kA DC SCCR.
- Compact 27 × 60 mm design for compatible Class J fuse holders.
Key Features
- Wöhner Class J cylindrical fuse link.
- Mersen A4J type.
- 50 A rated current.
- 600 V AC rated voltage.
- 300 V DC rated voltage.
- Class J 27 × 60 mm fuse size.
- Fast-acting operating characteristic.
- 200 kA AC / 100 kA DC interrupting capacity.
Reliable Fast-Acting Protection for Industrial Systems
The Wöhner 31514 is designed to interrupt fault currents almost instantaneously, helping to minimise equipment damage, reduce downtime and improve electrical safety. Its fast-acting characteristic makes it particularly suitable for branch circuits protecting control equipment, automation systems and sensitive industrial electrical components.
With its compact Class J construction, high interrupting capacity and recognised UL and CSA approvals, the Wöhner 31514 is an excellent choice for industrial automation, electrical distribution equipment, OEM machinery and switchgear requiring dependable branch-circuit protection.
Typical Applications
- Industrial branch-circuit protection.
- Electrical control panels.
- Motor control centres.
- OEM machinery.
- Industrial automation systems.
- Electrical distribution equipment.
Technical Specifications
Tick the specs you need, then view products that match.
| Current | 50 A | |
|---|---|---|
| Manufacturer | Wöhner | |
| Model | 31514 | |
| Part number | 31514 000A | |
| Type number | A4J | |
| Product type | Class J fast-acting fuse link | |
| Rated current | 50 A | |
| Rated voltage AC | 600 V AC | |
| Rated voltage DC | 300 V DC | |
| Rated frequency | 50 / 60 Hz | |
| Fuse size | Class J, 27 × 60 mm | |
| Operating characteristic | Fast acting | |
| Interrupting capacity AC | 200 kA | |
| Interrupting capacity DC | 100 kA | |
| Standards | UL 248-1, UL 248-8 | |
| Approvals | UL, CSA | |
| UL file | E2137 | |
| CSA file | 12636 | |
| Body material | Porcelain | |
| Halogen-free | Yes | |
| Dimensions (W × H × D) | 27 × 60 × 27 mm | |
| Weight | Approx. 8.5 g | |
| Pack quantity | 10 | |
| EAN | 4021267315146 |
Frequently Asked Questions
What is the Wöhner 31514 used for?
The Wöhner 31514 provides fast-acting overcurrent and short-circuit protection for industrial branch circuits and electrical equipment.
What is the current rating of the Wöhner 31514?
The fuse has a rated current of 50 A.
What voltage is the Wöhner 31514 rated for?
The fuse is rated for 600 V AC and 300 V DC applications.
Why choose a fast-acting Class J fuse?
Fast-acting Class J fuses rapidly interrupt overloads and short circuits, helping protect conductors and sensitive industrial equipment before damage can occur.
Which fuse holder should be used?
The Wöhner 31514 is designed for installation in a compatible Class J 27 × 60 mm fuse holder.
Trusted for Industrial Circuit Protection
Wöhner Class J fuse links are trusted by panel builders, OEM manufacturers and industrial maintenance professionals for delivering dependable branch-circuit protection, high fault-current performance and long-term operational reliability.
