The Wöhner 31354 is a premium Class J time-delay fuse link designed to provide reliable overcurrent and short-circuit protection in industrial electrical systems. Manufactured for use with compatible Wöhner fuse holders and busbar systems, this fuse delivers dependable performance in demanding industrial and commercial applications.
Designed to meet recognised UL standards, the Wöhner 31354 offers excellent protection for motors, transformers, industrial control panels and power distribution equipment. Its time-delay characteristic allows temporary inrush currents during motor starting without unnecessary fuse operation, helping maximise system reliability.
With a 12 A current rating, 600 V AC operating voltage and compact Class J 21 × 57 mm construction, the Wöhner 31354 is ideal for OEM machinery, industrial automation, switchgear and electrical distribution systems requiring dependable circuit protection.
Key Advantages
High-performance Class J time-delay fuse link.
12 A rated current for industrial circuit protection.
600 V AC operating voltage for demanding electrical installations.
Time-delay operation reduces nuisance tripping during motor start-up.
Compatible with Wöhner busbar systems and Class J fuse holders.
Provides reliable overload and short-circuit protection.
Key Features
Manufacturer: Wöhner.
Model: 31354.
12 A rated current.
600 V AC rated voltage.
500 V DC rated voltage.
Time-delay operating characteristic.
Class J 21 × 57 mm fuse format.
Halogen-free porcelain construction.
Reliable Circuit Protection for Industrial Installations
The Wöhner 31354 fuse link is designed to disconnect electrical circuits quickly and safely when overloads or fault conditions occur. Its time-delay characteristic allows temporary inrush currents while maintaining excellent protection for valuable electrical equipment.
Ideal for industrial control panels, switchboards and power distribution systems, this Class J fuse helps improve equipment reliability while reducing downtime caused by electrical faults.
Typical Applications
Industrial control panels.
Motor protection circuits.
Power distribution equipment.
OEM machinery.
Switchgear assemblies.
Busbar distribution systems.
Technical Specifications
Current
12 A
Manufacturer
Wöhner
Model
31354
Product type
Class J fuse link
Rated current
12 A
Rated voltage (AC)
600 V
Rated voltage (DC)
500 V
Frequency
50 / 60 Hz
Operating characteristic
Time delay
Fuse class
Class J
Dimensions (W × H × D)
21 × 57 × 21 mm
Short-circuit current rating
200 kA AC / 100 kA DC
Material
Porcelain
Halogen free
Yes
Pack quantity
10
Frequently Asked Questions
What is the Wöhner 31354 used for?
The Wöhner 31354 is a Class J time-delay fuse designed to protect industrial electrical circuits against overloads and short circuits.
What is the current rating of this fuse?
This fuse has a 12 A rated current.
What voltage is the Wöhner 31354 rated for?
It is rated for operation up to 600 V AC and 500 V DC.
Why is a time-delay fuse beneficial?
Time-delay fuses allow temporary inrush currents from motors and transformers without unnecessary operation while still protecting against sustained overloads and faults.
Where is the Wöhner 31354 commonly installed?
It is typically installed in industrial control panels, switchgear, OEM machinery and electrical distribution systems using Class J fuse holders.
Trusted for Industrial Circuit Protection
Wöhner Class J fuse links are widely trusted by panel builders, machine manufacturers and electrical engineers for dependable protection of industrial power distribution and automation systems.
Current
12 A
Manufacturer
Wöhner
Model
31354
Product type
Class J fuse link
Rated current
12 A
Rated voltage (AC)
600 V
Rated voltage (DC)
500 V
Frequency
50 / 60 Hz
Operating characteristic
Time delay
Fuse class
Class J
Dimensions (W × H × D)
21 × 57 × 21 mm
Short-circuit current rating
200 kA AC / 100 kA DC
Material
Porcelain
Halogen free
Yes
Pack quantity
10
No documents available for this product.
Delivery
We offer fast UK delivery on all stocked items. Orders placed before 3pm Monday to Friday are eligible for next-day delivery.
Standard delivery: 2–3 working days
Next-day delivery: available on in-stock items when ordered before 3pm
Express options available — contact us for details
Returns
If you need to return an item, please contact our sales team within 30 days of receipt. Items must be returned unused in their original packaging.
Our service agreements are built to support long term procurement relationships. By working closely with engineering teams and procurement departments, we help streamline purchasing processes while ensuring consistent access to critical components and sourcing support when it matters most.
Priority sourcing and supply support
Flexible payment terms for qualifying organisations
Support for engineering, maintenance, and operations
500 +
Stock lines ready to ship
1,000 +
Same day dispatches
3500 +
Customers supported
28
Trusted Manfacturers
● frequently asked questions
Common questions about our products and support
At Led Controls Ltd we help engineers source the right automation and control gear with confidence. below are quick answers to what we are asked most often.
What product ranges do you supply
We supply all leading manfacturers in our industry. we offer next day delivery on most poplour products.
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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...