ABB XRG630BS-185/10-3P three-pole switch disconnector fuse rated at 630 A and 690 V AC for industrial low-voltage power distribution systems.
£1,864.99
The ABB 1SEP204489R3500, also identified as the XRG630BS-185/10-3P, is a heavy-duty three-pole switch disconnector fuse designed for safe switching, reliable circuit isolation and fuse protection in demanding low-voltage power distribution systems. As part of the proven ABB SlimLine XR Gold range, it delivers dependable performance for industrial switchboards, motor control centres and electrical distribution panels.
Designed for high-current applications, this manually operated switch disconnector fuse combines efficient load switching with effective overcurrent and short-circuit protection when used with compatible British Standard fuse links. Its robust construction and busbar-mounted design simplify installation while ensuring long service life in industrial environments.
With a rated operational current of 630 A and a maximum operational voltage of 690 V AC, the XRG630BS-185/10-3P is designed for 185 mm busbar spacing and 10 mm busbar thickness, making it ideal for modern low-voltage switchgear assemblies.
Switch disconnector fuses provide safe manual switching together with visible circuit isolation and dependable overcurrent protection. They are widely specified for industrial power distribution systems where personnel safety, equipment protection and ease of maintenance are essential.
The ABB SlimLine XR Gold range has been developed for modern switchboards requiring compact dimensions, reliable operation and simple installation. The XRG630BS-185/10-3P provides dependable performance for demanding industrial electrical applications.
| Phase | Three Phase |
|---|---|
| Manufacturer | ABB |
| Series | SlimLine XR Gold |
| Product ID | 1SEP204489R3500 |
| Model | XRG630BS-185/10-3P |
| Product type | Switch disconnector fuse |
| Number of poles | 3 |
| Rated operational current | 630 A |
| Rated operational voltage | 690 V AC |
| Rated insulation voltage | 1000 V |
| Rated impulse withstand voltage | 8 kV |
| Utilisation category | AC-22B / AC-23A |
| Fuse system | British Standard |
| Fuse size | 3T Lawson |
| Busbar spacing | 185 mm |
| Busbar thickness | 10 mm |
| Main terminal type | Bolt connection |
| Protection rating | IP41 (front) |
| Mounting type | Busbar mounting |
| Dimensions (H × W × D) | approx. 200 × 590 × 335 mm |
| Weight | approx. 15.35 kg |
| EAN | 3800161652189 |
| Standard | IEC 60947-3 |
It is designed to switch, isolate and protect high-current circuits within industrial low-voltage electrical distribution systems.
The XRG630BS-185/10-3P has a rated operational current of 630 A.
This model is designed for compatible British Standard 3T Lawson fuse links.
The unit is designed for 185 mm busbar spacing with a 10 mm busbar thickness.
It is commonly installed in industrial switchboards, distribution panels, motor control centres and other low-voltage electrical assemblies.
ABB SlimLine XR Gold switch disconnector fuses are trusted worldwide by electrical engineers and panel builders for dependable switching, isolation and circuit protection in demanding industrial 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...