ABB SlimLine XR Gold XRG3-185/10-3P three-pole NH3 switch disconnector fuse rated at 630 A for 185 mm busbar spacing and 10 mm busbar thickness.
£2,749.68
The ABB 1SEP204483R3500, also known as the XRG3-185/10-3P, is a premium 3-pole NH3 fuse switch disconnector from ABB's SlimLine XR Gold range. Engineered for high-current low-voltage power distribution, it delivers safe switching, dependable isolation and robust circuit protection for industrial, commercial and utility applications. This version is designed for 185 mm busbar spacing with 10 mm busbar thickness.
Rated at 630 A and suitable for systems operating up to 690 V AC, the XRG3-185/10-3P accepts standard NH3 fuse links. Its SlimLine XR Gold cassette design provides compact installation, front operation and compatibility with modern switchboards and busbar systems while maintaining high operational safety.
Manufactured to IEC 60947-3, the switch disconnector features bolt connection terminals, front IP41 protection and a conditional short-circuit current of 120 kA, making it suitable for demanding power distribution environments requiring dependable long-term performance.
The ABB XRG3-185/10-3P is designed to provide dependable switching, isolation and fuse protection for high-current electrical installations. Its SlimLine XR Gold construction enables efficient installation on 185 mm busbar systems while maintaining excellent accessibility for operation and maintenance.
Suitable for demanding industrial environments, the switch disconnector combines high electrical ratings, durable mechanical construction and compatibility with ABB's comprehensive SlimLine XR Gold accessory range, making it an ideal solution for modern power distribution systems.
| Phase | Three Phase |
|---|---|
| Manufacturer | ABB |
| Series | SlimLine XR Gold |
| Model | XRG3-185/10-3P |
| Product ID | 1SEP204483R3500 |
| Product type | Switch disconnector fuse |
| Number of poles | 3 |
| Fuse size | NH3 |
| Rated operational current (Iu) | 630 A |
| Maximum operational voltage (Ue) | 690 V AC |
| Busbar spacing | 185 mm |
| Busbar thickness | 10 mm |
| Conditional short-circuit current (Iq) | 120 kA |
| Main connection | Bolt connection |
| Protection rating | IP41 (front) |
| Mounting | Busbar mounting |
| Weight | 15.62 kg |
| Standard | IEC 60947-3 |
| EAN | 3800161651601 |
| Country of origin | Bulgaria |
| HS Code | 85363090 |
| Country of Manufacture | Bulgaria |
It is used for safe switching, isolation and protection of high-current low-voltage electrical distribution systems.
The XRG3-185/10-3P is designed for standard NH3 fuse links.
The switch disconnector has a 630 A rated operational current.
It is designed for 185 mm busbar spacing with 10 mm busbar thickness.
Yes. The XRG3-185/10-3P is specifically designed for installation on compatible busbar systems.
ABB SlimLine XR Gold fuse switch disconnectors are trusted by utilities, panel builders and industrial engineers worldwide for dependable circuit protection, robust construction and long-term operational reliability.
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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...