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31276 Wohner holder for cylindrical fuses, for semiconductor fuses
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.
£11.14
Why Choose the Wöhner 31276 Semiconductor Fuse Holder?
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.
Key Advantages
- Designed for 10 × 38 mm semiconductor protection fuse links.
- 2-pole configuration for compact circuit protection.
- 32 A rated current and 690 V AC rated voltage.
- DIN rail mounting for quick and secure installation.
- Large conductor clamping range simplifies wiring.
- Integrated label holder for easy circuit identification.
- Touch-safe construction enhances operator safety.
- Manufactured using halogen-free materials.
Key Features
- Manufacturer: Wöhner.
- Part number: 31276.
- AMBUS® Panel semiconductor fuse holder.
- Suitable for 10 × 38 mm cylindrical semiconductor fuse links.
- 2-pole design.
- Standard DIN rail mounting.
- Large cable termination capacity.
- Integrated label holder.
- Touch-safe construction.
- Designed for industrial semiconductor protection applications.
Designed for High-Speed Semiconductor Protection
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.
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
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| Conductor Size | 0.75–25 mm² | |
|---|---|---|
| Device Type | Busbar holder / support | |
| 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 |
Frequently Asked Questions
What is the Wöhner 31276 designed for?
The Wöhner 31276 is a DIN rail-mounted 2-pole semiconductor fuse holder designed for 10 × 38 mm cylindrical 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 31276 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 panel builders, OEM manufacturers and industrial engineers for providing reliable protection to sensitive power electronic equipment in demanding industrial applications.
