Wöhner 31515 Mersen A4J Class J fast-acting cylindrical fuse link rated at 60 A, 600 V AC and 300 V DC with a 200 kA interrupting capacity for industrial branch-circuit protection.
£56.17
The Wöhner 31515 is a premium Class J fast-acting cylindrical fuse link designed for rapid overcurrent and short-circuit protection in industrial branch circuits. Manufactured using the proven Mersen A4J fuse technology, 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 60 A, the Wöhner 31515 operates at 600 V AC and 300 V DC, delivering fast fault interruption to protect conductors and sensitive electrical equipment from overloads and short circuits. Its fast-acting characteristic provides immediate fault isolation where maximum protection is required.
Constructed with a durable ceramic fuse body in the compact Class J 27 × 60 mm format, the fuse offers an impressive 200 kA AC interrupting capacity, making it suitable for demanding industrial installations with high prospective fault currents.
The Wöhner 31515 is engineered to interrupt fault currents almost instantaneously, helping minimise equipment damage, reduce downtime and improve electrical safety. Its fast-acting operating characteristic makes it particularly suitable for branch circuits protecting industrial automation equipment, control systems and electrical distribution panels.
Its compact Class J construction, high interrupting capacity and recognised UL approvals make the Wöhner 31515 an excellent choice for industrial automation, OEM machinery, switchgear and power distribution equipment requiring dependable branch-circuit protection.
| Current | 60 A |
|---|---|
| Manufacturer | Wöhner |
| Model | 31515 |
| Part number | 31515000A |
| Type number | A4J |
| Product type | Class J fast-acting fuse link |
| Rated current | 60 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 |
| Primary application | Branch-circuit protection |
| Standards | UL 248-1, UL 248-8 |
| Approvals | UL, CSA |
| Body material | Ceramic / porcelain |
| Dimensions (W × H × D) | 27 × 60 × 27 mm |
| Weight | Approx. 85 g |
| Pack quantity | 10 |
| EAN | 4021267315153 |
The Wöhner 31515 provides fast-acting overcurrent and short-circuit protection for industrial branch circuits and electrical equipment.
The Wöhner 31515 has a rated current of 60 A.
The fuse is rated for operation at up to 600 V AC and 300 V DC.
Class J fast-acting fuses rapidly interrupt overloads and short circuits, helping protect conductors and sensitive industrial equipment before damage can occur.
The Wöhner 31515 is designed for installation in a compatible Class J 27 × 60 mm fuse holder.
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.
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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...