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31214 Wohner cylindr. fuse link 30 A
Wöhner 31214 10 x 38 mm cylindrical semiconductor fuse link rated at 30 A, 690 V AC with gR operating class for industrial semiconductor protection.
£9.29
Why Choose the Wöhner 31214 Cylindrical Semiconductor Fuse Link?
The Wöhner 31214 is a high-performance 10 × 38 mm cylindrical semiconductor fuse link designed to provide exceptionally fast and reliable protection for sensitive power electronic equipment. Manufactured by Wöhner, this IEC-compliant fuse protects semiconductor devices such as IGBTs, thyristors, rectifiers and power converters against damaging overloads and short circuits.
Manufactured in accordance with IEC 60269-1 and IEC 60269-4, the Wöhner 31214 features a gR operating class, delivering full-range semiconductor protection. Its durable porcelain body provides excellent thermal stability while the compact 10 × 38 mm design allows installation into standard cylindrical fuse holders.
With a rated current of 30 A, a 690 V AC voltage rating and a high 200 kA breaking capacity, the Wöhner 31214 is ideal for industrial automation, servo drives, frequency converters, UPS systems and other demanding power electronic applications requiring rapid fault interruption.
Key Advantages
- Designed specifically for semiconductor protection.
- 30 A rated current for demanding industrial applications.
- 690 V AC operating voltage.
- gR operating class provides fast full-range protection.
- 200 kA breaking capacity for outstanding fault interruption.
- Compatible with standard 10 × 38 mm fuse holders.
Key Features
- Wöhner cylindrical semiconductor fuse link.
- 30 A rated current.
- 690 V AC rated voltage.
- 10 × 38 mm fuse size.
- gR utilisation category.
- 200 kA AC breaking capacity.
- High-quality porcelain body.
- Halogen-free construction.
- Manufactured to IEC 60269-1 and IEC 60269-4.
Reliable Protection for Industrial Power Electronics
The Wöhner 31214 is engineered to interrupt high fault currents extremely quickly, helping to minimise thermal stress and protect expensive semiconductor devices. Its fast-acting gR characteristic reduces let-through energy, improving equipment reliability and extending the service life of industrial power electronic systems.
Its compact IEC-standard construction allows straightforward installation into compatible fuse holders used in industrial control panels, inverters, converters, motor drives and automation systems where dependable semiconductor protection is essential.
Typical Applications
- Variable frequency drives.
- Servo drive systems.
- Power converters and inverters.
- UPS systems.
- Industrial automation equipment.
- Motor control centres.
- Semiconductor protection circuits.
Technical Specifications
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| Current | 30 A | |
|---|---|---|
| Manufacturer | Wöhner | |
| Model | 31214 | |
| Product type | Cylindrical semiconductor fuse link | |
| Rated current | 30 A | |
| Rated voltage | 690 V AC | |
| Fuse size | 10 × 38 mm | |
| Operating class | gR | |
| Breaking capacity | 200 kA AC | |
| Standards | IEC 60269-1 / IEC 60269-4 | |
| Power dissipation | 8.2 W (full load) | |
| Power dissipation (typical 80% load) | 5.2 W | |
| Material | Porcelain | |
| Halogen free | Yes | |
| Dimensions (W × H × D) | 10 × 10 × 38 mm |
Frequently Asked Questions
What is the Wöhner 31214 used for?
It protects semiconductor devices including IGBTs, thyristors, rectifiers and power converters from overloads and short circuits.
What is the current rating of this fuse?
The Wöhner 31214 has a 30 A rated current.
What voltage is this fuse suitable for?
It is designed for electrical systems operating up to 690 V AC.
What does the gR operating class mean?
The gR utilisation category provides fast full-range protection specifically for semiconductor devices and sensitive power electronic equipment.
Which fuse holders is this compatible with?
The Wöhner 31214 is designed for standard 10 × 38 mm IEC cylindrical fuse holders.
Trusted for Semiconductor Protection
Wöhner semiconductor fuse links are trusted by OEMs, panel builders and industrial automation engineers worldwide for dependable protection of high-value power electronic equipment.
