Standard delivery
£8 ex VAT · free over £200UK parcel delivery is £8 ex VAT, or free on orders over £200 ex VAT.
Heavier items may be charged at a weight-based or pallet rate, shown at checkout.
31275 Wohner holder for cylindrical fuses, for semiconductor fuses
Wöhner 31275 AMBUS Panel DIN rail-mounted semiconductor fuse holder for 10 × 38 mm fuse links, rated 32 A and 690 V AC.
£5.59
Why Choose the Wöhner 31275 Semiconductor Fuse Holder?
The Wöhner 31275 is a professional DIN rail-mounted fuse holder for 10 × 38 mm semiconductor protection fuse links. Designed for high-speed semiconductor fuse applications, it provides a compact, reliable and touch-safe solution for protecting sensitive power electronic equipment in industrial control panels, drives and automation systems.
Rated at 32 A and 690 V AC, the Wöhner 31275 is engineered for mounting on standard DIN rails and accepts 10 × 38 mm IEC/HD 60269-2 fuse links. The holder incorporates a large conductor clamping range, integrated label holder and halogen-free construction, making installation simple whilst ensuring dependable long-term performance.
Designed specifically for semiconductor protection, the Wöhner 31275 combines compact dimensions with high short-circuit performance and international approvals, making it suitable for industrial machinery, power electronics and OEM equipment where rapid fuse operation is essential.
Key Advantages
- Designed for 10 × 38 mm semiconductor protection fuse links.
- 32 A rated current and 690 V AC rated voltage.
- Single-pole (1P) configuration.
- DIN rail mounting for fast installation.
- Large conductor clamping range.
- Integrated label holder for easy circuit identification.
- Touch-safe construction for enhanced operator safety.
- Halogen-free materials for demanding industrial environments.
Key Features
- Manufacturer: Wöhner.
- Part number: 31275.
- AMBUS Panel semiconductor fuse holder.
- Suitable for 10 × 38 mm cylindrical semiconductor fuse links.
- Single-pole (1P) design.
- Standard DIN rail installation.
- Large cable termination capacity.
- Integrated label holder.
- Touch-safe construction.
- Suitable for industrial control and power electronics.
Designed for Semiconductor Protection
Semiconductor fuse holders are specifically designed to accommodate high-speed fuse links used to protect sensitive power electronic devices such as variable speed drives, inverters, UPS systems and rectifiers. These fuse links operate much faster than general-purpose fuses, helping minimise damage during fault conditions.
The Wöhner 31275 provides secure DIN rail installation, excellent electrical performance and reliable mechanical construction, making it suitable for OEM machinery, industrial automation and power conversion equipment.
Typical Applications
- Variable speed drives (VSDs).
- Frequency converters.
- Power semiconductor protection.
- Industrial automation systems.
- OEM machinery.
- Industrial control panels.
- Power supplies and rectifiers.
Technical Specifications
Tick the specs you need, then view products that match.
| Conductor Size | 0.75–25 mm² | |
|---|---|---|
| Device Type | Busbar holder / support | |
| Current | 30 A | |
| Manufacturer | Wöhner | |
| Product range | AMBUS Panel | |
| Model | 31275 | |
| Full part number | 31275000 | |
| Product type | Semiconductor fuse holder | |
| Fuse-link size | 10 × 38 mm | |
| Fuse-link standard | IEC / HD 60269-2 | |
| Configuration | 1P | |
| Rated current | 32 A | |
| Rated voltage | 690 V AC | |
| Rated insulation voltage (AC/DC) | 800 V | |
| Rated impulse withstand voltage | 6 kV | |
| Utilisation category | AC-22B (400 V) | |
| Conditional short-circuit current | 50 kA at 690 V (10 A fuse) | |
| Approved fuse operating class | gG (10 A), aR semiconductor fuse applications | |
| Permitted fuse-link power dissipation | 4.3 W | |
| Typical device power dissipation (80% load) | 0.2 W | |
| Power dissipation at full load | 0.3 W | |
| Dimensions (W × H × D) | 18 × 81 × 58 mm | |
| Mounting | DIN rail | |
| Connection capacity | 0.75–25 mm² (AWG 18–4) | |
| Halogen free | Yes | |
| Pack size | 12 | |
| EAN | 4021267312756 | |
| ETIM | EC002705 | |
| Approvals | IEC (CB), UL, CSA, CCC | |
| Standards | IEC 60947-1:2020, IEC 60947-3:2020 (AC ratings), UL 4248-1 |
Frequently Asked Questions
What is the Wöhner 31275 designed for?
The Wöhner 31275 is a DIN rail-mounted fuse holder designed specifically for 10 × 38 mm semiconductor protection fuse links.
What is the current rating?
The fuse holder has a 32 A rated current.
What voltage is it rated for?
The Wöhner 31275 is rated for operation up to 690 V AC.
Can it be mounted on a DIN rail?
Yes. The holder is designed for installation on a standard DIN mounting rail.
Which fuse size is compatible?
It accepts 10 × 38 mm cylindrical semiconductor protection fuse links manufactured to IEC / HD 60269-2.
Trusted by Industrial Professionals Worldwide
Wöhner semiconductor fuse holders are trusted by machine builders, panel manufacturers and industrial engineers for reliable protection of sensitive power electronic equipment in demanding industrial applications.
