Wöhner 01721 D02 gauge ring for 35 A and 40 A fuse systems. Black E18 gauge ring manufactured to IEC 60269 standards for safe and reliable D0 fuse installations.
£0.70
The Wöhner 01721 is a high-quality D02 gauge ring (E18) designed for use with D0 fuse systems to ensure only the correct fuse rating can be installed. Manufactured by Wöhner, a leading manufacturer of low-voltage power distribution components, this gauge ring helps prevent incorrectly rated fuse links from being fitted, improving both electrical safety and system reliability.
Manufactured in accordance with IEC 60269 standards, the Wöhner 01721 is colour coded black and is suitable for 35 A and 40 A D02 fuse applications. It provides a reliable mechanical keying solution that prevents oversized or incompatible fuse links from being installed, helping maintain compliance with electrical installation standards.
Its durable halogen-free construction makes it ideal for industrial switchboards, electrical distribution panels and machine control equipment using D02 fuse bases. The compact design enables quick installation while delivering dependable long-term performance in demanding industrial environments.
Gauge rings are an essential safety component within D0 fuse systems, mechanically preventing the installation of incorrectly rated fuse links. This helps protect electrical circuits against over-fusing while ensuring safe and compliant operation of industrial and commercial electrical installations.
The Wöhner 01721 is widely used by switchgear manufacturers, panel builders and maintenance engineers requiring dependable fuse accessories manufactured to recognised international standards.
| Current | 35 A |
|---|---|
| Manufacturer | Wöhner |
| Part number | 01721 |
| Product type | D02 gauge ring |
| Fuse size | D02 / E18 |
| Rated current | 35 A (suitable for 35 A / 40 A applications) |
| Colour | Black |
| Standards | IEC 60269-1, IEC 60269-3 |
| Material | Halogen-free |
| EAN | 4021267017217 |
| Pack quantity | 50 |
| Typical application | D0 fuse systems |
| Installation | Screw-in gauge ring for D02 fuse bases |
| HS Code | 85361050 |
| Country of Manufacture | Germany |
It is a D02 gauge ring designed to ensure only the correct 35 A or 40 A D0 fuse link can be installed in compatible fuse bases.
The Wöhner 01721 is designed for 35 A and 40 A D02 fuse applications.
Black is the standard identification colour used for 35 A / 40 A D02 gauge rings.
Yes. It is manufactured in accordance with IEC 60269-1 and IEC 60269-3 standards.
It is installed within compatible D02 fuse holders and fuse bases used in industrial and commercial electrical distribution systems.
Wöhner fuse accessories are trusted worldwide by panel builders, switchgear manufacturers and electrical engineers for reliable circuit protection and compliance with international electrical standards.
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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...