Wöhner 31287 AMBUS Panel 3-pole Class J fuse holder for 21 × 57 mm cylindrical fuse links, rated at 30 A and 600 V AC for industrial power distribution.
£99.17
The Wöhner 31287 is a robust 3-pole holder for Class J cylindrical fuses, engineered to provide secure fuse installation and dependable overcurrent protection in industrial electrical systems. As part of the Wöhner AMBUS® Panel range, it is designed for OEM machinery, industrial control panels and power distribution equipment requiring reliable Class J fuse protection.
Designed for 21 × 57 mm Class J fuse links, the Wöhner 31287 combines durable construction with large box terminals and convenient DIN rail mounting. Its compact three-pole design enables efficient installation in switchgear assemblies while simplifying wiring and maintenance.
With a 30 A rated current, 600 V AC operating voltage and a 3-pole configuration, the Wöhner 31287 is an ideal solution for protecting three-phase industrial circuits, motor control systems and automation equipment built to North American Class J fuse standards.
The Wöhner 31287 securely retains Class J fuse links while providing dependable electrical connections for industrial power systems. Its durable construction helps ensure long service life and straightforward maintenance in demanding industrial environments.
Its three-pole design makes it particularly suitable for protecting three-phase machinery, industrial distribution panels and automation equipment where reliable overcurrent protection is essential.
| Current | 30 A |
|---|---|
| Phase | Three Phase |
| Manufacturer | Wöhner |
| Series | AMBUS® Panel |
| Model | 31287 |
| Alternative SKU | 31287000 |
| Product type | Holder for Class J cylindrical fuses |
| Fuse class | Class J |
| Fuse size | 21 × 57 mm |
| Number of poles | 3 |
| Rated current | 30 A |
| Rated voltage | 600 V AC |
| Protection rating | IP20 |
| Mounting type | DIN mounting rail |
| Terminal type | Box terminal |
| Conductor capacity | Up to 50 mm² |
| Dimensions (W × H × D) | approx. 108 × 115 × 69 mm |
| Weight | approx. 486 g |
The holder is designed for 21 × 57 mm Class J cylindrical fuse links.
The Wöhner 31287 features a 3-pole configuration for three-phase electrical systems.
The fuse holder has a rated current of 30 A.
It is designed for installation onto a standard DIN mounting rail inside industrial electrical control panels.
It is commonly installed in industrial switchgear, machinery, motor control centres and power distribution equipment requiring Class J fuse protection.
Wöhner Class J fuse holders are trusted by OEM manufacturers, panel builders and industrial engineers for dependable circuit protection, robust construction and reliable long-term performance.
● Service Agreements
Credit Accounts
Our service agreements are built to support long term procurement relationships. By working closely with engineering teams and procurement departments, we help streamline purchasing processes while ensuring consistent access to critical components and sourcing support when it matters most.
● frequently asked questions
At Led Controls Ltd we help engineers source the right automation and control gear with confidence. below are quick answers to what we are asked most often.
We supply all leading manfacturers in our industry. we offer next day delivery on most poplour products.
Your content goes here. Edit or remove this text inline or in the module Content settings. You can also style every aspect of this content in the module Design settings and even apply custom CSS to this text in the module Advanced settings.
Your content goes here. Edit or remove this text inline or in the module Content settings. You can also style every aspect of this content in the module Design settings and even apply custom CSS to this text in the module Advanced settings.
Your content goes here. Edit or remove this text inline or in the module Content settings. You can also style every aspect of this content in the module Design settings and even apply custom CSS to this text in the module Advanced settings.
Your content goes here. Edit or remove this text inline or in the module Content settings. You can also style every aspect of this content in the module Design settings and even apply custom CSS to this text in the module Advanced settings.
● latest blog
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...