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31285 Wohner holder for cylindrical fuses
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.
£52.93
Why Choose the Wöhner 31285 Class J Fuse Holder?
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.
Key Advantages
- Designed for Class J 21 × 57 mm cylindrical fuse links.
- 2-pole configuration for single-phase and multi-circuit protection.
- 30 A rated current for industrial applications.
- 600 V AC/DC operating voltage.
- DIN rail mounting for fast installation and maintenance.
- Large box terminals accept conductors up to 50 mm².
Key Features
- Wöhner AMBUS® Panel series.
- Model 31285.
- 2-pole Class J fuse holder.
- Compatible with 21 × 57 mm Class J fuse links.
- 30 A rated current.
- 600 V AC/DC rated voltage.
- DIN rail mounting.
- IP20 protection rating.
- Large box terminals with conductor capacity up to 50 mm².
- Integrated holder for circuit identification labels.
Reliable Class J Circuit Protection
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.
Typical Applications
- Industrial control panels.
- Motor control centres.
- OEM machinery.
- Power supplies and transformers.
- Industrial power distribution.
- Equipment designed for North American electrical standards.
Technical Specifications
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| Device Type | Busbar holder / support | |
|---|---|---|
| Current | 30 A | |
| Poles | 2-pole | |
| 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 |
Frequently Asked Questions
What fuse type does the Wöhner 31285 accept?
The holder is designed for 21 × 57 mm Class J cylindrical fuse links compliant with UL 248-8.
What is the current rating of the Wöhner 31285?
The Wöhner 31285 has a 30 A rated current.
How many poles does the Wöhner 31285 have?
The unit features a 2-pole configuration for industrial electrical systems.
How is the Wöhner 31285 installed?
The fuse holder is designed for installation on a standard DIN mounting rail inside electrical control panels.
What conductor size can the terminals accept?
The box terminals support copper conductors from 0.75 mm² to 50 mm².
Trusted by Electrical Panel Builders
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.
