ABB XRG63BS-185/10-3P three-pole British Standard switch disconnector fuse rated at 63 A for 185 mm busbar systems.
£531.18
The ABB 1SEP204484R3500, also known as the XRG63BS-185/10-3P, is a compact three-pole switch disconnector fuse from ABB's proven SlimLine XR Gold range. Engineered for low-voltage power distribution, it combines safe load switching, visible isolation and dependable fuse protection within a single busbar-mounted assembly, making it ideal for industrial and commercial switchboards.
Designed for 185 mm busbar spacing with 10 mm busbar thickness, the XRG63BS-185/10-3P is rated at 63 A and 690 V AC. It accepts British Standard A3 fuse links, providing reliable protection for mixed loads, motor circuits and general power distribution applications.
Manufactured in accordance with IEC 60947-3, this switch disconnector fuse delivers high mechanical durability, compact installation and dependable electrical performance. Its slim construction helps maximise available panel space while supporting safe maintenance and straightforward installation.
British Standard switch disconnector fuses combine dependable switching, visible isolation and overcurrent protection using replaceable BS fuse links. Their compact design enables efficient switchboard layouts while maintaining high levels of operator safety and simplifying routine maintenance.
ABB's SlimLine XR Gold range has been developed for industrial and commercial power distribution systems where compact installation, mechanical reliability and long service life are essential.
| Phase | Three Phase |
|---|---|
| Manufacturer | ABB |
| Series | SlimLine XR Gold |
| Product ID | 1SEP204484R3500 |
| Model | XRG63BS-185/10-3P |
| Product type | Switch disconnector fuse |
| Rated operational current (Ie) | 63 A |
| Maximum operational voltage (Ue) | 690 V AC |
| Rated insulation voltage (Ui) | 1000 V |
| Rated impulse withstand voltage (Uimp) | 8 kV |
| Number of poles | 3 |
| Fuse size | British Standard A3 |
| Busbar spacing | 185 mm |
| Busbar thickness | 10 mm |
| Conditional short-circuit current (Iq) | 120 kA |
| Terminal connection | Bolt connection |
| Mounting type | Busbar mounting |
| Front protection rating | IP41 |
| Weight | Approx. 3.69 kg |
| EAN | 3800161652318 |
| Standard | IEC 60947-3 |
It is used for switching, isolating and protecting low-voltage electrical distribution circuits using British Standard A3 fuse links.
The XRG63BS-185/10-3P has a rated operational current of 63 A.
This model is designed for use with British Standard A3 fuse links.
The switch disconnector is designed for 185 mm busbar spacing with a 10 mm busbar thickness.
Yes. It is specifically designed for industrial and commercial low-voltage power distribution systems where dependable switching and isolation are required.
ABB SlimLine XR Gold switch disconnector fuses are trusted by panel builders, electrical contractors and industrial engineers for dependable switching performance, reliable circuit protection and long-term durability in demanding low-voltage applications.
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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...