Wöhner 31276 AMBUS Panel DIN rail-mounted 2-pole semiconductor fuse holder for 10 × 38 mm fuse links, rated 32 A and 690 V AC.
£13.93
The Wöhner 31276 is a professional DIN rail-mounted semiconductor fuse holder for 10 × 38 mm cylindrical fuse links. Designed for high-speed semiconductor protection, this 2-pole fuse holder provides a reliable solution for safeguarding sensitive power electronic equipment, including variable speed drives, inverters, UPS systems and industrial automation equipment.
Rated at 32 A and 690 V AC, the Wöhner 31276 is part of the AMBUS® Panel range and is engineered for compact installation on standard DIN rails. Its large conductor clamping range, integrated label holder and touch-safe construction make installation straightforward whilst ensuring dependable long-term performance in demanding industrial environments.
Manufactured using halogen-free materials and approved to major international standards, the Wöhner 31276 offers dependable semiconductor fuse protection for OEM machinery, electrical control panels and industrial power distribution systems where rapid fault interruption is essential.
Semiconductor fuse holders are specifically designed for use with high-speed fuse links that protect sensitive power electronic devices against damaging fault currents. Their rapid operation helps minimise damage to expensive semiconductor components, improving equipment reliability and reducing downtime.
The Wöhner 31276 provides secure DIN rail installation, dependable electrical performance and compact 2-pole construction, making it suitable for industrial automation systems, machine building, power conversion equipment and OEM electrical panels.
| Current | 30 A |
|---|---|
| Manufacturer | Wöhner |
| Product range | AMBUS® Panel |
| Model | 31276 |
| Full part number | 31276000 |
| Product type | Semiconductor fuse holder |
| Fuse-link size | 10 × 38 mm |
| Fuse-link standard | IEC / HD 60269-2 |
| Configuration | 2P |
| 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) | 0.4 W |
| Power dissipation at full load | 0.6 W |
| Dimensions (W × H × D) | 36 × 81 × 58 mm |
| Mounting | DIN rail |
| Connection capacity | 0.75–25 mm² (AWG 18–4) |
| Halogen free | Yes |
| Pack size | 6 |
| Approximate weight | 103 g |
| EAN | 4021267312763 |
| ETIM | EC002705 |
| Approvals | IEC (CB), UL, CSA, CCC |
| Standards | IEC 60947-1:2020, IEC 60947-3:2020 (AC ratings only), UL 4248-1 |
The Wöhner 31276 is a DIN rail-mounted 2-pole semiconductor fuse holder designed for 10 × 38 mm cylindrical semiconductor protection fuse links.
The fuse holder has a 32 A rated current.
The Wöhner 31276 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 panel builders, OEM manufacturers and industrial engineers for providing reliable protection to 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...