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31325 Wohner fuse link 20 A, 600 V AC, fast acting, Class J
Wöhner 31325 Mersen Class J fast-acting cylindrical fuse link rated at 20 A and 600 V AC for industrial overcurrent protection.
£29.38
Why Choose the Wöhner 31325 Class J Fuse Link?
The Wöhner 31325 is a premium Class J fast-acting cylindrical fuse link designed to provide dependable overcurrent and short-circuit protection for industrial electrical installations. Manufactured by Mersen for the Wöhner range, it is suitable for switchboards, control panels and OEM machinery requiring reliable protection at voltages up to 600 V AC.
With a 20 A rated current and a compact 21 × 57 mm Class J format, the Wöhner 31325 delivers rapid fault interruption to help protect cables, control equipment and electrical components from overloads and short circuits. Its fast-acting characteristic makes it particularly suitable for circuits where immediate fault clearance is required.
Designed for use with compatible Class J fuse holders, the Wöhner 31325 offers a high interrupting capacity of up to 200 kA AC. Its porcelain, halogen-free construction ensures dependable thermal and mechanical performance in demanding industrial environments.
Key Advantages
- Reliable Class J fast-acting fuse protection.
- 20 A rated current for industrial electrical applications.
- 600 V AC rated voltage.
- 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.
- 20 A rated current.
- 600 V AC rated voltage.
- Fast-acting operating characteristic.
- Class J 30 A frame size.
- High short-circuit interrupting capacity.
- Suitable for industrial control and distribution systems.
- Compatible with Class J fuse holders.
- UL 248-8 compliant.
Fast-Acting Protection for Industrial Equipment
The Wöhner 31325 is engineered to disconnect fault currents rapidly, helping minimise damage to electrical conductors and equipment. Its fast-acting characteristic makes it suitable for protecting branch circuits, control systems and industrial machinery where rapid fault clearance is essential.
When installed in a compatible Class J fuse holder, the fuse provides dependable protection for industrial automation systems, electrical distribution equipment and OEM machinery while maintaining 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 | 20 A | |
|---|---|---|
| Manufacturer | Wöhner | |
| Fuse manufacturer | Mersen | |
| Model | 31325 | |
| Alternative SKU | 31325000A | |
| Product type | Cylindrical fuse link | |
| Fuse class | Class J | |
| Frame size | Class J 30 A | |
| Operating characteristic | Fast acting | |
| Rated current | 20 A | |
| Rated voltage AC | 600 V | |
| Rated frequency | 50 / 60 Hz | |
| AC short-circuit current rating | 200 kA | |
| Dimensions (W × H × D) | 21 × 57 × 21 mm | |
| Material | Porcelain | |
| Halogen-free | Yes | |
| Standards | UL 248-8, UL 248-1 | |
| GTIN / EAN | 4021267313258 | |
| Pack quantity | 10 | |
| Weight | Approx. 50 g per fuse |
Frequently Asked Questions
What is the Wöhner 31325 used for?
The Wöhner 31325 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 20 A.
What voltage is the fuse rated for?
The Wöhner 31325 is rated for applications up to 600 V AC.
Is this a fast-acting or time-delay fuse?
The Wöhner 31325 is a fast-acting Class J fuse, providing rapid protection against fault currents.
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.
