The Wöhner 31401 is a high-performance Class CC fast-acting cylindrical fuse link designed to provide rapid overcurrent and short-circuit protection for branch circuits and industrial electrical systems. Manufactured for the Wöhner product range using the Mersen ATMR series, this fuse is designed in accordance with UL 248-1 and UL 248-4 standards, making it suitable for industrial control panels, switchgear and OEM machinery.
Featuring a 0.5 A rated current, 600 V AC and 600 V DC ratings, and a fast-acting characteristic, the Wöhner 31401 responds rapidly to fault conditions to protect branch circuits and sensitive equipment from overloads and short circuits.
Its durable porcelain body, compact Class CC 10 × 38 mm format and high interrupting capacity make it an ideal choice for demanding industrial installations where reliable and standards-compliant circuit protection is essential.
Key Advantages
Compact Class CC fast-acting fuse link for branch circuit protection.
0.5 A rated current for sensitive electrical circuits.
600 V AC and 600 V DC ratings for industrial applications.
200 kA AC interrupting capacity for excellent fault protection.
Porcelain construction ensures dependable long-term performance.
Key Features
Wöhner Class CC cylindrical fuse link.
Mersen ATMR type.
0.5 A rated current.
600 V AC rated voltage.
600 V DC rated voltage.
Class CC 10 × 38 mm fuse size.
Fast-acting operating characteristic.
200 kA AC and 100 kA DC SCCR.
Reliable Protection for Branch Circuits
The Wöhner 31401 fast-acting fuse is engineered to interrupt fault currents quickly, helping protect conductors and sensitive electrical equipment before damage can occur. Its rapid response makes it particularly suitable for branch circuit protection where immediate fault isolation is required.
Its compact Class CC design and high interrupting capacity make it ideal for industrial automation systems, OEM machinery, electrical distribution equipment and control panels requiring dependable UL-compliant protection.
Typical Applications
Branch circuit protection.
Industrial control panels.
OEM machinery.
Industrial automation systems.
Electrical distribution equipment.
Switchgear and control cabinets.
Technical Specifications
Current
0.5 A
Manufacturer
Wöhner
Model
31401
Type number
ATMR
Product type
Class CC cylindrical fuse link
Rated current
0.5 A
Rated voltage AC
600 V AC
Rated voltage DC
600 V DC
Rated frequency
50 / 60 Hz
Fuse size
Class CC, 10 × 38 mm
Operating characteristic
Fast acting
Interrupting capacity
200 kA AC
SCCR
100 kA DC
Primary application
Branch circuit protection
Standards
UL 248-1, UL 248-4
Approval
UL
UL file
E2137
Body material
Porcelain
Halogen-free
Yes
Dimensions (W × H × D)
10 × 10 × 38 mm
Weight
approx. 8 g
Pack quantity
10
EAN
4021267314019
Frequently Asked Questions
What is the Wöhner 31401 used for?
The Wöhner 31401 is used to provide fast-acting overcurrent and short-circuit protection for branch circuits and industrial electrical equipment.
What is the current rating of this fuse?
The Wöhner 31401 has a rated current of 0.5 A.
What voltage is this fuse designed for?
The fuse is rated for operation at up to 600 V AC and 600 V DC.
What does fast-acting mean?
A fast-acting fuse interrupts fault currents immediately, making it ideal for protecting sensitive electrical equipment and branch circuits.
What fuse holder is required?
The Wöhner 31401 is a Class CC 10 × 38 mm fuse link and should be installed in a compatible Class CC fuse holder.
Trusted for Industrial Circuit Protection
Wöhner Class CC fuse links are trusted by panel builders, OEM manufacturers and industrial engineers for providing dependable branch circuit protection and reliable long-term electrical safety.
Current
0.5 A
Manufacturer
Wöhner
Model
31401
Type number
ATMR
Product type
Class CC cylindrical fuse link
Rated current
0.5 A
Rated voltage AC
600 V AC
Rated voltage DC
600 V DC
Rated frequency
50 / 60 Hz
Fuse size
Class CC, 10 × 38 mm
Operating characteristic
Fast acting
Interrupting capacity
200 kA AC
SCCR
100 kA DC
Primary application
Branch circuit protection
Standards
UL 248-1, UL 248-4
Approval
UL
UL file
E2137
Body material
Porcelain
Halogen-free
Yes
Dimensions (W × H × D)
10 × 10 × 38 mm
Weight
approx. 8 g
Pack quantity
10
EAN
4021267314019
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...