Wöhner 31285 AMBUS Panel 2-pole Class J fuse holder for 21 × 57 mm cylindrical fuse links, rated at 30 A and 600 V with DIN rail mounting and box terminals.
£66.16
The Wöhner 31285 is a robust 2-pole holder for Class J cylindrical fuses, designed to provide secure fuse installation and dependable overcurrent protection in industrial electrical systems. Part of the Wöhner AMBUS® Panel range, it is ideal for protecting branch circuits, power supplies, motor control systems and industrial automation equipment requiring North American Class J fuse protection.
Designed for 21 × 57 mm Class J fuse links, the Wöhner 31285 features a durable construction with large box terminals capable of accepting conductors up to 50 mm². Its compact DIN rail mounting design simplifies installation while allowing efficient use of panel space in switchgear and control cabinets.
With a 30 A rated current, 600 V AC/DC operating voltage and a practical 2-pole configuration, the Wöhner 31285 provides reliable circuit protection for industrial machinery, OEM equipment and electrical distribution systems built to UL standards.
The Wöhner 31285 securely retains Class J fuse links while providing dependable electrical connections for industrial power systems. It is designed to minimise downtime by allowing straightforward fuse replacement and reliable long-term performance in demanding electrical installations.
Its compact two-pole construction makes it suitable for industrial control panels, machinery and electrical distribution equipment where dependable overcurrent protection and compliance with UL Class J fuse standards are essential.
| Current | 30 A |
|---|---|
| Manufacturer | Wöhner |
| Series | AMBUS® Panel |
| Model | 31285 |
| Full part number | 31285 000 |
| Product type | Holder for cylindrical Class J fuses |
| Fuse class | Class J |
| Fuse size | 21 × 57 mm |
| Number of poles | 2 |
| Rated current | 30 A |
| Rated voltage | 600 V AC / DC |
| Frequency | 50 / 60 Hz |
| Protection rating | IP20 |
| Mounting type | DIN mounting rail |
| Terminal type | Box terminal |
| Conductor capacity | 0.75 to 50 mm² |
| Dimensions (W × H × D) | 72 × 115 × 69 mm |
| Approximate weight | 322 g |
| EAN | 4021267312855 |
The holder is designed for 21 × 57 mm Class J cylindrical fuse links compliant with UL 248-8.
The Wöhner 31285 has a 30 A rated current.
The unit features a 2-pole configuration for industrial electrical systems.
The fuse holder is designed for installation on a standard DIN mounting rail inside electrical control panels.
The box terminals support copper conductors from 0.75 mm² to 50 mm².
Wöhner Class J fuse holders are widely specified by panel builders, OEM manufacturers and industrial engineers for dependable circuit protection, simple installation and long service life in industrial power distribution systems.
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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...