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31205 Wohner cylindr. fuse link 1 A
Wöhner 31205 10 x 38 mm cylindrical semiconductor fuse link rated at 1 A, 690 V AC with gR operating class for industrial power electronic protection.
£8.40
Why Choose the Wöhner 31205 Cylindrical Fuse Link?
The Wöhner 31205 is a high-performance 10 × 38 mm cylindrical fuse link designed for the protection of semiconductor devices in industrial electrical systems. Manufactured by Wöhner, this IEC-compliant fuse provides rapid fault interruption for sensitive power electronics, making it ideal for use in drives, converters, UPS systems and industrial automation equipment.
Designed in accordance with IEC 60269-4, the Wöhner 31205 features a gR operating class, offering full-range protection for semiconductor devices against overloads and short circuits. Its compact design enables installation in standard 10 × 38 mm fuse holders while delivering excellent electrical performance in demanding industrial applications.
With a 1 A rated current, 690 V AC voltage rating and a high 200 kA breaking capacity, the Wöhner 31205 is suitable for protecting power semiconductors and electronic equipment requiring fast and reliable fault protection.
Key Advantages
- Designed specifically for semiconductor protection.
- 1 A current rating for sensitive electronic circuits.
- 690 V AC rated voltage for industrial power systems.
- gR utilisation category provides fast-acting protection.
- 200 kA breaking capacity for high fault-current interruption.
- Compatible with standard 10 × 38 mm fuse holders.
Key Features
- Wöhner cylindrical fuse link.
- 1 A rated current.
- 690 V AC rated voltage.
- 10 × 38 mm fuse size.
- gR operating class.
- 200 kA AC breaking capacity.
- Fast-acting semiconductor protection.
- Manufactured to IEC 60269-4.
Fast Protection for Sensitive Power Electronics
The Wöhner 31205 is engineered to protect semiconductor devices such as IGBTs, thyristors, rectifiers and power converters from damaging fault currents. Its fast-acting gR characteristic helps minimise energy let-through, reducing the risk of costly equipment damage and downtime.
Its compact IEC-standard construction makes the fuse suitable for installation in industrial control panels, power conversion equipment and automation systems where dependable semiconductor protection is essential.
Typical Applications
- Variable frequency drives.
- Servo drive systems.
- Power converters and inverters.
- UPS equipment.
- Industrial automation systems.
- Semiconductor protection circuits.
Technical Specifications
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| Current | 1 A | |
|---|---|---|
| Manufacturer | Wöhner | |
| Model | 31205 | |
| Product type | Cylindrical semiconductor fuse link | |
| Rated current | 1 A | |
| Rated voltage | 690 V AC | |
| Fuse size | 10 × 38 mm | |
| Operating class | gR | |
| Breaking capacity | 200 kA AC | |
| Standard | IEC 60269-4 | |
| Power dissipation | 0.9 W | |
| Mounting | Standard 10 × 38 mm fuse holder | |
| Application | Semiconductor protection |
Frequently Asked Questions
What is the Wöhner 31205 used for?
It is designed to protect semiconductor devices including IGBTs, thyristors, rectifiers and power electronic equipment against overloads and short circuits.
What is the current rating of this fuse?
The Wöhner 31205 has a 1 A rated current.
What voltage is this fuse designed for?
It is rated for operation on electrical systems up to 690 V AC.
What does the gR classification mean?
The gR operating class provides fast full-range protection specifically designed for semiconductor devices and power electronic equipment.
Which fuse holders is this compatible with?
The Wöhner 31205 fits standard 10 × 38 mm IEC cylindrical fuse holders.
Trusted for Semiconductor Protection
Wöhner semiconductor fuse links are trusted by panel builders, OEM manufacturers and automation engineers to provide dependable protection for sensitive power electronic equipment in demanding industrial environments.
