Wöhner 33311 QUADRON 60Classic 3-pole bus mounted Class J fuse holder for 225 to 400 A Class J fuse links with direct mounting onto 60 mm busbar systems.
£824.72
The Wöhner 33311 is a heavy-duty bus mounted Class J fuse holder designed for reliable circuit protection in industrial low voltage power distribution systems. Part of the renowned Wöhner QUADRON® 60Classic range, it is engineered for direct installation onto 60 mm busbar systems, providing a compact and efficient solution for high-current feeder circuits.
Designed to accommodate Class J fuse links rated from 225 A to 400 A (54 × 181 mm), the Wöhner 33311 features a robust 3-pole construction with secure box terminals and top or bottom cable connections. Its direct busbar mounting reduces wiring complexity while ensuring dependable electrical performance in demanding industrial environments.
With a 400 A maximum rating and compatibility with 30 × 10 mm flat busbars and section busbars, the Wöhner 33311 is ideally suited to switchboards, OEM machinery, motor control centres and commercial electrical distribution systems requiring UL Class J fuse protection.
Bus mounted fuse holders provide a compact and dependable method of protecting outgoing feeder circuits within industrial electrical distribution systems. Direct mounting onto standard busbars reduces installation time while maintaining excellent electrical performance and mechanical reliability.
The Wöhner QUADRON® 60Classic system is trusted by switchboard manufacturers worldwide for its modular design, high-quality construction and compatibility with modern industrial power distribution requirements.
| Current | 400 A |
|---|---|
| Phase | Three Phase |
| Manufacturer | Wöhner |
| Series | QUADRON® 60Classic |
| Model | 33311 |
| Product type | Bus mounted Class J fuse holder |
| Fuse type | Class J |
| Fuse rating | 225 to 400 A |
| Maximum rated current | 400 A |
| Number of poles | 3 |
| Fuse size | 54 × 181 mm |
| Connection type | Box terminal |
| Connection position | Top or bottom |
| Busbar compatibility | 30 × 10 mm flat busbars and section busbars |
| Mounting type | Direct 60 mm busbar mounting |
| Standards | IEC 60269-1, IEC 60269-2, UL 4248-1, UL 4248-8 |
The Wöhner 33311 is a bus mounted Class J fuse holder designed to provide high-current circuit protection in industrial power distribution systems.
It is designed for Class J fuse links rated from 225 A to 400 A with dimensions of 54 × 181 mm.
The fuse holder mounts directly onto compatible 60 mm busbar systems using 30 × 10 mm flat or section busbars.
Yes. The box terminals allow cable connections from either the top or bottom, providing installation flexibility.
The fuse holder complies with IEC 60269-1, IEC 60269-2, UL 4248-1 and UL 4248-8.
Wöhner QUADRON® 60Classic fuse holders are trusted by switchboard manufacturers and electrical engineers for dependable high-current protection, straightforward installation and reliable long-term performance in industrial electrical 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...