Why Choose the Wöhner 31281 Fuse Holder?
The Wöhner 31281 is a premium single-pole fuse holder for 22 × 58 mm cylindrical semiconductor fuse links, designed for dependable overcurrent protection in industrial power distribution systems. Part of the renowned Wöhner AMBUS® Panel range, it is suitable for applications up to 100 A and 690 V AC, offering reliable protection for semiconductor devices, power electronics and industrial control equipment.
Designed for DIN rail mounting, the Wöhner 31281 features a generous conductor clamping range of 4–50 mm², making installation quick and straightforward. It accepts IEC/HD 60269-2 compliant 22 × 58 mm fuse links and is specifically intended for semiconductor protection applications where rapid fault clearance is essential.
Manufactured to the high quality standards expected from Wöhner, the 31281 complies with IEC 60947-1 and IEC 60947-3, while also carrying UL, CSA and CCC approvals, making it suitable for use in internationally specified industrial installations.
Key Advantages
- Designed for 22 × 58 mm semiconductor fuse links.
- Rated up to 100 A and 690 V AC.
- DIN rail mounting for fast installation.
- Large conductor capacity from 4–50 mm².
- Suitable for industrial semiconductor protection.
- International IEC, UL, CSA and CCC approvals.
Key Features
- Wöhner AMBUS® Panel fuse holder.
- Single-pole design.
- For 22 × 58 mm cylindrical semiconductor fuse links.
- 100 A rated current.
- 690 V AC rated voltage.
- 800 V insulation voltage (Ui).
- DIN rail mounting.
- IEC / HD 60269-2 compatible.
- Large 4–50 mm² conductor range.
- Compact industrial construction.
Designed for Semiconductor Protection
The Wöhner 31281 is specifically developed for protecting semiconductor devices where ultra-fast fuse operation is required. Its robust contact design ensures dependable current transfer while supporting high-performance semiconductor fuse links used in drives, converters, UPS systems and industrial power electronics.
The compact DIN rail format simplifies panel assembly while the wide conductor capacity provides flexibility during installation, making it suitable for both OEM equipment and industrial control panel manufacture.
Typical Applications
- Semiconductor protection.
- Variable speed drives.
- Power converters.
- Industrial control panels.
- Switchboards.
- UPS systems.
- Power supplies.
- OEM electrical equipment.
