Wöhner 31327 Mersen Class J fast-acting cylindrical fuse link rated at 30 A, 600 V AC and 300 V DC for industrial overcurrent protection.
£36.72
The Wöhner 31327 is a premium Class J fast-acting cylindrical fuse link designed to provide reliable overcurrent and short-circuit protection in industrial electrical systems. Manufactured by Mersen for the Wöhner product range, it is ideal for switchboards, control panels and OEM machinery operating at voltages up to 600 V AC.
With a 30 A rated current and a compact 21 × 57 mm Class J format, the Wöhner 31327 rapidly interrupts fault currents to help protect cables, electrical equipment and sensitive control components. Its fast-acting characteristic makes it particularly suitable for applications where immediate fault clearance is essential.
Designed for installation in compatible Class J fuse holders, the Wöhner 31327 provides a high interrupting capacity of 200 kA AC and 100 kA DC. Its porcelain, halogen-free construction delivers dependable mechanical and thermal performance in demanding industrial environments.
The Wöhner 31327 is engineered to interrupt fault currents rapidly, helping minimise damage to conductors, electrical equipment and control components. Its fast-acting characteristic makes it ideal for branch circuit protection, industrial automation systems and OEM machinery where rapid fault isolation is required.
Installed in a compatible Class J fuse holder, it provides dependable protection for electrical distribution systems while supporting compliance with North American electrical standards.
| Current | 30 A |
|---|---|
| Manufacturer | Wöhner |
| Fuse manufacturer | Mersen |
| Model | 31327 |
| Alternative SKU | 31327000A |
| Product type | Cylindrical fuse link |
| Fuse class | Class J |
| Frame size | Class J 30 A |
| Operating characteristic | Fast acting |
| Rated current | 30 A |
| Rated voltage AC | 600 V |
| Rated voltage DC | 300 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 | 4021267313272 |
| Pack quantity | 10 |
| Weight | Approx. 50 g per fuse |
The Wöhner 31327 is a fast-acting Class J fuse link designed to protect industrial electrical circuits against overloads and short circuits.
The fuse has a rated current of 30 A.
The Wöhner 31327 is rated for applications up to 600 V AC and 300 V DC.
The Wöhner 31327 is a fast-acting Class J fuse, providing rapid protection against overloads and short-circuit faults.
It is designed for compatible Class J fuse holders accepting 21 × 57 mm cylindrical fuse links.
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 electrical installations.
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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...