Why Choose the ABB 1SEP204488R3500 XRG400BS-185/10-3P Switch Disconnector Fuse?
The ABB 1SEP204488R3500, also identified as the XRG400BS-185/10-3P, is a high-performance three-pole switch disconnector fuse designed for switching, circuit isolation and fuse protection in low-voltage electrical distribution systems. As part of the advanced ABB SlimLine XR Gold fusegear range, it provides dependable protection and efficient installation for industrial switchboards, distribution panels and power control applications.
This manually operated fused switch disconnector combines reliable load switching with overcurrent and short-circuit protection when fitted with compatible British Standard fuse links. Its busbar-mounted construction helps reduce installation time and makes effective use of available space inside electrical distribution assemblies.
With a rated operational current of 400 A and a rated operational voltage of up to 690 V AC, the XRG400BS-185/10-3P is suitable for demanding industrial feeder circuits. It is specifically designed for a 185 mm busbar distance and 10 mm busbar thickness, providing compatibility with appropriately configured low-voltage switchboards.
Key Advantages
- Heavy-duty three-pole switch disconnector fuse for industrial electrical distribution.
- 400 A rated operational current at voltages up to 690 V AC.
- Combines switching, circuit isolation and fuse protection in one compact device.
- Designed for 185 mm phase spacing and 10 mm busbar thickness.
- Manual operation supports controlled and dependable circuit isolation.
- SlimLine construction helps maximise available switchboard space.
Key Features
- ABB SlimLine XR Gold fusegear series.
- XRG400BS-185/10-3P extended product type.
- 400 A rated operational current.
- 690 V AC rated operational voltage.
- Three-pole configuration.
- Compatible with British Standard B4 fuse links.
- Manual operating mechanism for safe circuit switching and isolation.
- IP41 protection from the front when installed correctly.
Reliable Fuse Protection and Circuit Isolation
Switch disconnector fuses provide a dependable method of switching and isolating electrical circuits while incorporating fuse protection against overloads and short circuits. This makes them particularly suitable for outgoing feeders, industrial distribution boards and switchgear assemblies where reliable fault protection and safe maintenance access are required.
The ABB SlimLine XR Gold range is engineered to improve switchboard performance through efficient construction, reduced power losses and flexible installation. The XRG400BS-185/10-3P supports reliable operation in high-current low-voltage systems while helping panel builders create compact and serviceable electrical assemblies.
Typical Applications
- Industrial low-voltage switchboards.
- Power distribution panels and outgoing feeder circuits.
- Manufacturing and process control facilities.
- Motor control centres and machinery power supplies.
- Commercial building electrical distribution systems.
- Infrastructure, utility and energy installations.
