Why Choose the Wöhner 31229 Cylindrical Fuse Link?
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.
Key Advantages
- Designed specifically for semiconductor protection (gR operating class).
- 100 A rated current for demanding industrial applications.
- 690 V AC rated voltage suitable for modern power systems.
- 200 kA breaking capacity for outstanding fault protection.
- Compact 22 × 58 mm cylindrical design for standard fuse holders.
- Manufactured to IEC standards for dependable long-term performance.
Key Features
- Wöhner cylindrical fuse link.
- 100 A rated current.
- 690 V AC rated voltage.
- gR operating class for semiconductor protection.
- 22 × 58 mm fuse size.
- 200 kA AC breaking capacity.
- Porcelain body construction.
- Halogen-free materials.
Reliable Protection for Semiconductor Equipment
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.
Typical Applications
- Variable frequency drives (VFDs).
- Industrial motor drives.
- Power converters and rectifiers.
- UPS and power supply systems.
- Industrial switchgear and distribution panels.
- Automation and control equipment.