Wöhner 31229 cylindrical fuse link rated at 100 A and 690 V AC with gR operating class for semiconductor protection in industrial power distribution and automation systems.
£36.45
The Wöhner 31229 is a high-performance 22 × 58 mm cylindrical fuse link engineered to provide dependable short-circuit protection for semiconductor devices and sensitive industrial electrical equipment. Rated at 100 A and 690 V AC, this gR class fuse is designed for fast fault clearance in demanding industrial power distribution and automation systems.
Manufactured by Wöhner, a trusted name in electrical power distribution technology, the 31229 fuse link complies with IEC standards and offers reliable protection for variable speed drives, inverters, rectifiers and other power electronic equipment. Its durable porcelain body provides excellent performance in challenging industrial environments.
Featuring a 22 × 58 mm cylindrical format, a 100 A current rating and a 200 kA breaking capacity, the Wöhner 31229 is ideally suited for switchgear assemblies, control panels and industrial automation systems where reliable semiconductor protection is essential.
Semiconductor fuse links are specifically designed to protect sensitive power electronic devices against damaging short circuits. Their extremely fast operating characteristics minimise fault energy, helping to safeguard expensive components while reducing equipment downtime.
The Wöhner 31229 is ideal for protecting industrial drives, converters, UPS systems, rectifiers and other equipment where rapid fault interruption is critical for maintaining system reliability and extending component life.
| Current | 100 A |
|---|---|
| Manufacturer | Wöhner |
| Model | 31229 |
| Part number | 31229 000 |
| Product type | Cylindrical fuse link |
| Operating class | gR |
| Rated current | 100 A |
| Rated voltage | 690 V AC |
| Fuse size | 22 × 58 mm |
| Breaking capacity | 200 kA AC |
| Frequency | 50 / 60 Hz |
| Body material | Porcelain |
| Halogen free | Yes |
| Dimensions (W × H × D) | 22 × 22 × 58 mm |
| Approximate weight | 50 g |
The Wöhner 31229 provides fast short-circuit protection for semiconductor devices and industrial power electronic equipment.
This cylindrical fuse link has a rated current of 100 A.
The fuse is designed for use on systems up to 690 V AC.
The gR classification indicates full-range semiconductor protection, providing rapid interruption of overloads and short circuits.
The Wöhner 31229 is manufactured in the standard 22 × 58 mm cylindrical format for compatible industrial fuse holders.
Wöhner fuse links are widely trusted by panel builders, OEMs and industrial engineers for delivering reliable semiconductor protection, excellent fault interruption capability and dependable long-term performance.
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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...