Mechanical 3-pole in-line fuse switch-disconnector with electronic fuse monitoring, suitable for busbars 30 to 120 x 10 mm. Features lockable cover and self-closing inspection holes.
£461.41
The in-line fuse switch-disconnector 250 A (Part No. 33721) is a high-quality mechanical switching device designed for reliable and safe disconnection of electrical circuits. It features a 3-pole switchable design with electronic fuse monitoring, ensuring enhanced operational safety. Its compatibility with various busbar sizes and self-closing inspection holes make it a practical and user-friendly choice for industrial applications. The cover can be securely locked when closed, providing additional safety and tamper protection.
| Current | 250 A |
|---|---|
| Phase | Three Phase |
| Item number | 33721 |
| Description | in-line fuse switch-disconnector 250 A |
| Dimensions (W x H x D) | 100 x 670 x 189 mm |
| Weight | 540.0 kg/100 |
| Halogen free | Yes |
| Approval | type number: QU185-1 |
No, as a mechanical switch-disconnector, it is designed to safely disconnect circuits but does not carry current itself.
The device is compatible with busbars sized 30, 40, 60, 80, 100, and 120 x 10 mm.
Yes, it features electronic fuse monitoring to provide status feedback and enhance safety.
Yes, the cover can be locked when closed to prevent unauthorised access.
Yes, it is halogen-free, supporting environmentally responsible installations.
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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...