Why Choose the Wöhner 31902 D02 Reducer for D01 Fuse Links?
The Wöhner 31902 is a D02 reducer insert for D01 fuse links (2–16 A), designed for use with compatible APS, SEL and SECUR® PowerLiner (SPL) fuse systems within the 60Classic range. It enables smaller D01 fuse links to be safely installed in D02 fuse holders, increasing installation flexibility while maintaining compliance with IEC standards.
Manufactured to Wöhner's high engineering standards, the reducer insert provides a secure and reliable fit, ensuring correct positioning of D01 fuse links within D02 fuse bases. It is ideal for industrial switchboards, machine control panels and low voltage distribution systems where varying current ratings are required.
As a passive accessory with no live electrical components, the Wöhner 31902 requires no maintenance and offers dependable long-term performance in demanding industrial environments. It is supplied in packs of 20 for convenient installation and stock management.
Key Advantages
Allows D01 fuse links (2–16 A) to be used in D02 fuse holders.
Compatible with APS, SEL and SECUR® PowerLiner (SPL) systems.
Provides secure positioning of D01 fuse links.
Simple installation without modifications.
Halogen-free construction.
Manufactured to IEC fuse system standards.
Key Features
Wöhner Part Number: 31902
Series: 60Classic
Product type: D02 reducer insert
Fuse compatibility: D01 fuse links (2–16 A)
For use in: D02 fuse holders
Compatible with APS, SEL and SPL systems.
Passive accessory with no live parts.
Supplied in packs of 20.
Simple Conversion for Flexible Fuse Selection
The Wöhner 31902 reducer insert provides a practical solution when lower-rated D01 fuse links are required within D02 fuse installations. By allowing D01 fuse links from 2 A to 16 A to be fitted correctly into compatible D02 fuse holders, it improves flexibility while maintaining safe and reliable installation practices.
Its precision-moulded construction ensures dependable positioning without affecting the electrical characteristics of the installation, making it an essential accessory for panel builders, OEMs and industrial maintenance engineers.
Typical Applications
Industrial switchboards.
Machine control panels.
Low voltage power distribution.
OEM electrical equipment.
Maintenance and retrofit projects.
60Classic APS, SEL and PowerLiner installations.
Technical Specifications
Current
16 A
Manufacturer
Wöhner
Series
60Classic
Model
31902
Product type
D02 reducer insert
Suitable fuse links
D01 (2–16 A)
Compatible fuse holders
D02
Compatible systems
APS, SEL, SECUR® PowerLiner (SPL)
Power dissipation
0 W
Maximum permitted operating temperature
55°C
Material
Halogen-free plastic
Standards
IEC 60269-1, IEC 60269-3
Pack quantity
20
EAN
4021267319021
Frequently Asked Questions
What is the Wöhner 31902 used for?
It is a D02 reducer insert that allows D01 fuse links rated from 2 A to 16 A to be installed safely in compatible D02 fuse holders.
Which systems is it compatible with?
The reducer is designed for Wöhner APS, SEL and SECUR® PowerLiner (SPL) systems.
Does the reducer carry current?
No. The 31902 is a passive accessory and contains no live electrical components.
What fuse ratings does it support?
It is suitable for D01 fuse links with current ratings from 2 A to 16 A.
How many reducer inserts are supplied?
Each pack contains 20 reducer inserts.
Trusted by Electrical Professionals Worldwide
Wöhner fuse accessories are trusted by panel builders, switchgear manufacturers and industrial engineers for ensuring safe, standards-compliant and flexible fuse installations across low voltage power distribution systems.
Current
16 A
Manufacturer
Wöhner
Series
60Classic
Model
31902
Product type
D02 reducer insert
Suitable fuse links
D01 (2–16 A)
Compatible fuse holders
D02
Compatible systems
APS, SEL, SECUR® PowerLiner (SPL)
Power dissipation
0 W
Maximum permitted operating temperature
55°C
Material
Halogen-free plastic
Standards
IEC 60269-1, IEC 60269-3
Pack quantity
20
EAN
4021267319021
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...