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31327 Wohner fuse link 30 A, 600 V AC, fast acting, Class J
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.
£29.38
Why Choose the Wöhner 31327 Class J Fuse Link?
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.
Key Advantages
- Reliable Class J fast-acting fuse protection.
- 30 A rated current for industrial electrical applications.
- 600 V AC and 300 V DC ratings.
- High 200 kA AC interrupting capacity.
- Fast response protects sensitive electrical equipment.
- Compact 21 × 57 mm cylindrical format.
- Porcelain, halogen-free construction for industrial durability.
Key Features
- Wöhner Class J fuse link.
- Manufactured by Mersen.
- 30 A rated current.
- 600 V AC rated voltage.
- 300 V DC rated voltage.
- Fast-acting operating characteristic.
- Class J 30 A frame size.
- High short-circuit interrupting capacity.
- Compatible with Class J fuse holders.
- UL 248-8 and UL 248-1 compliant.
Fast-Acting Protection for Industrial Equipment
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.
Typical Applications
- Industrial control panels.
- OEM machinery.
- Automation systems.
- Electrical switchboards.
- Branch circuit protection.
- Commercial and industrial power distribution.
Technical Specifications
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| 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 |
Frequently Asked Questions
What is the Wöhner 31327 used for?
The Wöhner 31327 is a fast-acting Class J fuse link designed to protect industrial electrical circuits against overloads and short circuits.
What is the current rating?
The fuse has a rated current of 30 A.
What voltage is the fuse rated for?
The Wöhner 31327 is rated for applications up to 600 V AC and 300 V DC.
Is this a fast-acting or time-delay fuse?
The Wöhner 31327 is a fast-acting Class J fuse, providing rapid protection against overloads and short-circuit faults.
Which fuse holders are compatible?
It 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 electrical installations.
