Wöhner 31908 D01 locking cap (utility version) for E14 screw fuse systems, rated 400 V AC and 250 V DC, designed to restrict access to D01 fuse links.
£39.03
The Wöhner 31908 is a D01 locking cap (utility version) designed for D01 / E14 screw fuse systems. It provides a secure method of preventing unauthorised removal or replacement of D01 fuse links, making it ideal for utility installations, industrial power distribution systems and electrical switchboards where controlled access is required.
Manufactured from durable, halogen-free material, the locking cap is suitable for use on 400 V AC and 250 V DC D01 fuse installations. It contains no live electrical parts, requires no maintenance and offers dependable long-term performance in demanding industrial environments.
The Wöhner 31908 is supplied as the utility (EVU) version, making it particularly suitable for electricity distribution networks and installations where fuse access must be restricted to authorised personnel. The matching utility key is Wöhner 31907.
The Wöhner 31908 locking cap is designed to prevent unauthorised removal or replacement of D01 fuse links while maintaining compliance with IEC fuse system standards. It is widely used in utility infrastructure, industrial facilities and commercial electrical installations where controlled fuse access is essential for operational safety.
Its precision-engineered construction provides a secure fit on compatible D01 fuse holders without affecting the electrical characteristics of the installation. As the accessory contains no live parts, it offers reliable, maintenance-free protection throughout its service life.
| Manufacturer | Wöhner |
|---|---|
| Model | 31908 |
| Product type | Locking cap |
| Version | Utility (EVU) |
| Fuse size | D01 / E14 |
| Rated voltage (AC) | 400 V |
| Rated voltage (DC) | 250 V |
| Power dissipation | 0 W |
| Material | Halogen-free plastic |
| Weight | 1.1 kg/100 pieces |
| Standards | IEC 60269-1, IEC 60269-3 |
| Pack quantity | 36 |
| EAN | 4021267319083 |
| Matching accessory | Wöhner 31907 utility key |
It is a D01 utility locking cap that prevents unauthorised removal or replacement of D01 fuse links in compatible E14 fuse holders.
The locking cap is designed for D01 / E14 screw fuse systems.
The Wöhner 31908 is rated for 400 V AC and 250 V DC.
The utility version is designed for use with the Wöhner 31907 utility key.
Each pack contains 36 locking caps.
Wöhner fuse accessories are trusted by utility providers, panel builders and industrial engineers for delivering secure, standards-compliant and reliable protection across low voltage power distribution systems.
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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...