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31215 Wohner cylindr. fuse link 10 A
Wöhner 31215 14 x 51 mm cylindrical semiconductor fuse link rated at 10 A, 690 V AC with gR operating class for industrial semiconductor protection.
£10.57
Why Choose the Wöhner 31215 Cylindrical Semiconductor Fuse Link?
The Wöhner 31215 is a premium 14 × 51 mm cylindrical semiconductor fuse link engineered to provide exceptionally fast and reliable protection for sensitive power electronic equipment. Manufactured by Wöhner, this IEC-compliant fuse is specifically designed to safeguard semiconductors including IGBTs, thyristors, rectifiers and power converters against overloads and short circuits.
Manufactured in accordance with IEC 60269-1 and IEC 60269-4, the Wöhner 31215 features a gR operating class, providing full-range semiconductor protection. Its durable porcelain body delivers excellent thermal performance, while the 14 × 51 mm format is compatible with standard cylindrical fuse holders for industrial installations.
With a rated current of 10 A, a 690 V AC voltage rating and a high 200 kA breaking capacity, the Wöhner 31215 is ideally suited to industrial automation, variable frequency drives, UPS systems, servo drives and other demanding power electronic applications requiring rapid fault interruption.
Key Advantages
- Designed specifically for semiconductor protection.
- 10 A rated current for sensitive power electronic equipment.
- 690 V AC operating voltage for industrial applications.
- gR operating class provides fast full-range protection.
- 200 kA breaking capacity for exceptional fault interruption.
- Compatible with standard 14 × 51 mm fuse holders.
Key Features
- Wöhner cylindrical semiconductor fuse link.
- 10 A rated current.
- 690 V AC rated voltage.
- 14 × 51 mm fuse size.
- gR utilisation category.
- 200 kA AC breaking capacity.
- Porcelain body with halogen-free construction.
- Manufactured to IEC 60269-1 and IEC 60269-4.
- IEC and UL approved.
High-Speed Protection for Power Electronics
The Wöhner 31215 is engineered to interrupt fault currents extremely quickly, minimising thermal and electrical stress on valuable semiconductor devices. Its fast-acting gR characteristic reduces let-through energy, helping maximise equipment reliability and extend the operational life of industrial power electronic systems.
Its IEC-standard construction enables simple installation into compatible 14 × 51 mm fuse holders used in industrial control panels, converters, inverters, motor drives, UPS systems and automation equipment 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 | 10 A | |
|---|---|---|
| Manufacturer | Wöhner | |
| Model | 31215 | |
| Product type | Cylindrical semiconductor fuse link | |
| Rated current | 10 A | |
| Rated voltage | 690 V AC (700 V AC UL) | |
| Fuse size | 14 × 51 mm | |
| Operating class | gR | |
| Breaking capacity | 200 kA AC | |
| Standards | IEC 60269-1 / IEC 60269-4 | |
| Power dissipation | 2.6 W (full load) | |
| Power dissipation (80% load) | 1.7 W | |
| Material | Porcelain | |
| Halogen free | Yes | |
| Dimensions (W × H × D) | 14 × 14 × 51 mm |
Frequently Asked Questions
What is the Wöhner 31215 used for?
It is designed to protect semiconductor devices including IGBTs, thyristors, rectifiers and power converters against overloads and short circuits.
What is the current rating of this fuse?
The Wöhner 31215 has a 10 A rated current.
What voltage is this fuse suitable for?
It is designed for systems operating up to 690 V AC (700 V AC UL).
What does the gR operating class mean?
The gR operating class provides fast full-range protection specifically developed for semiconductor devices and sensitive power electronic equipment.
Which fuse holders is this compatible with?
The Wöhner 31215 is designed for standard 14 × 51 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 reliable protection of high-value power electronic equipment.
