Wöhner 31275 AMBUS Panel DIN rail-mounted semiconductor fuse holder for 10 × 38 mm fuse links, rated 32 A and 690 V AC.
£6.99
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.
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.
| 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 |
The Wöhner 31275 is a DIN rail-mounted fuse holder designed specifically for 10 × 38 mm semiconductor protection fuse links.
The fuse holder has a 32 A rated current.
The Wöhner 31275 is rated for operation up to 690 V AC.
Yes. The holder is designed for installation on a standard DIN mounting rail.
It accepts 10 × 38 mm cylindrical semiconductor protection fuse links manufactured to IEC / HD 60269-2.
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.
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LED Controls is a specialist distributor of factory automation and industrial controls, supplying OEMs, machine builders, panel builders and end users throughout the UK and worldwide. As a trusted UK distributor for many of the world’s leading automation manufacturers, we provide industrial control products, technical expertise and bespoke automation solutions backed by outstanding customer service.
2025 has been a big year for LED Controls, and our blog has expanded accordingly. We've covered a wide range of topics across industrial control and factory automation this year. From core technology explainers and new product releases to panel building best practice...
2025 has been a big year for LED Controls, and our blog has expanded accordingly. We've covered a wide range of topics across industrial control and factory automation this year. From core technology explainers and new product releases to panel building best practice...