Wöhner 03231 Class J time-delay fuse link with a 100 A current rating and 600 V AC rating for industrial electrical protection.
£102.51
The Wöhner 03231 is a high-performance Class J time-delay fuse link engineered to provide dependable overcurrent protection for industrial electrical distribution systems. Manufactured by Wöhner, this fuse is designed for demanding commercial and industrial applications where high interrupting capacity and reliable circuit protection are essential.
Designed for installation in Class J fuse holders, the Wöhner 03231 delivers dependable overload and short-circuit protection while tolerating temporary inrush currents generated by motors and transformers. Its durable porcelain construction and time-delay characteristics help maximise equipment uptime while protecting valuable electrical assets.
With a 100 A current rating, 600 V AC operating voltage and compliance with UL 248-1 and UL 248-8, the Wöhner 03231 is an ideal solution for industrial control panels, switchboards and power distribution systems.
Class J fuse links are specifically designed to safeguard electrical systems against overloads and short circuits while accommodating temporary inrush currents associated with motors, transformers and other inductive loads. This improves system reliability and helps reduce unnecessary downtime.
The Wöhner 03231 is widely used by panel builders, OEM manufacturers and industrial maintenance engineers requiring dependable overcurrent protection for modern electrical distribution systems.
| Current | 100 A |
|---|---|
| Manufacturer | Wöhner |
| Model | 03231 |
| Product type | Class J time-delay fuse link |
| Rated current | 100 A |
| Rated voltage | 600 V AC |
| Rated DC voltage | 400 V DC |
| Frequency | 50 / 60 Hz |
| Fuse class | Class J |
| Frame size | Class J 100 A |
| Breaking capacity (SCCR) | 200 kA AC |
| Breaking capacity (DC) | 100 kA |
| Material | Porcelain |
| Halogen free | Yes |
| Dimensions (H × W × D) | Approx. 117 × 29 × 29 mm |
| Compliance | UL 248-1, UL 248-8 |
| HS Code | 85361090 |
| Country of Manufacture | Mexico |
The Wöhner 03231 is a Class J time-delay fuse link used to protect industrial electrical circuits from overloads and short circuits.
This fuse has a 100 A rated current.
The Wöhner 03231 is rated for operation at up to 600 V AC.
Time-delay fuses tolerate temporary inrush currents produced by motors and transformers while still providing reliable protection against sustained overloads and short circuits.
It is commonly installed in industrial control panels, switchboards and power distribution equipment using compatible Class J fuse holders.
Wöhner Class J fuse links are trusted by electrical engineers and panel builders worldwide for dependable overcurrent protection in demanding industrial electrical installations.
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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...