The Wöhner 31237 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 equipment. Rated at 4 A and 600 V AC/DC, this compact fuse offers dependable protection for control panels, automation systems and OEM electrical equipment.
Manufactured by Wöhner, a leading specialist in electrical power distribution solutions, the 31237 fuse link complies with UL 248-1 and UL 248-4 standards. Its fast-acting characteristic ensures rapid interruption of fault currents, helping to protect sensitive electrical equipment while reducing costly downtime.
Featuring a compact 10 × 38 mm Class CC format, a 4 A current rating and a 200 kA AC interrupting capacity, the Wöhner 31237 is ideally suited for industrial control panels, branch circuit protection and machine building applications.
Key Advantages
Fast-acting Class CC fuse for rapid fault protection.
4 A rated current for low-current industrial circuits.
600 V AC/DC rating suitable for industrial power systems.
200 kA AC interrupting capacity for excellent fault protection.
Compact 10 × 38 mm cylindrical design.
Manufactured to recognised UL standards for dependable long-term performance.
Key Features
Wöhner Class CC fuse link.
4 A rated current.
600 V AC/DC rated voltage.
Fast-acting operating characteristic.
10 × 38 mm fuse size.
200 kA AC SCCR.
Porcelain body construction.
Halogen-free materials.
Reliable Protection for Industrial Branch Circuits
Fast-acting Class CC fuse links are engineered to interrupt fault currents almost instantly, helping protect sensitive electrical equipment from overloads and short circuits before damage can occur. Their compact design makes them ideal for industrial control panels where installation space is limited.
The Wöhner 31237 provides dependable branch circuit protection for control systems, machine tools, OEM equipment and industrial power distribution assemblies, helping maximise equipment reliability and minimise maintenance costs.
Typical Applications
Industrial control panels.
Machine tools and automation equipment.
Branch circuit protection.
Motor control centres.
OEM electrical equipment.
Industrial power distribution systems.
Technical Specifications
Current
4 A
Manufacturer
Wöhner
Model
31237
Part number
31237 000
Product type
Class CC cylindrical fuse link
Fuse class
Class CC
Operating characteristic
Fast acting
Rated current
4 A
Rated voltage
600 V AC / 600 V DC
Frequency
50 / 60 Hz
Fuse size
10 × 38 mm
Interrupting rating (AC)
200 kA
Interrupting rating (DC)
100 kA
Body material
Porcelain
Halogen free
Yes
Dimensions (W × H × D)
10 × 10 × 38 mm
Approximate weight
8 g
Frequently Asked Questions
What is the Wöhner 31237 used for?
The Wöhner 31237 provides fast-acting branch circuit protection for industrial electrical equipment and control panels.
What is the current rating of this fuse?
The fuse has a rated current of 4 A.
What voltage is the Wöhner 31237 rated for?
It is rated for operation at up to 600 V AC and 600 V DC.
What fuse size is the Wöhner 31237?
The fuse is manufactured in the standard 10 × 38 mm Class CC cylindrical format.
What type of protection does this fuse provide?
The Wöhner 31237 is a fast-acting Class CC fuse designed to provide rapid protection against overloads and short circuits in industrial branch circuits.
Trusted for Industrial Electrical Protection
Wöhner Class CC fuse links are trusted by panel builders, OEM manufacturers and industrial engineers for delivering rapid fault interruption, dependable branch circuit protection and reliable long-term performance.
Current
4 A
Manufacturer
Wöhner
Model
31237
Part number
31237 000
Product type
Class CC cylindrical fuse link
Fuse class
Class CC
Operating characteristic
Fast acting
Rated current
4 A
Rated voltage
600 V AC / 600 V DC
Frequency
50 / 60 Hz
Fuse size
10 × 38 mm
Interrupting rating (AC)
200 kA
Interrupting rating (DC)
100 kA
Body material
Porcelain
Halogen free
Yes
Dimensions (W × H × D)
10 × 10 × 38 mm
Approximate weight
8 g
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...