Why Choose the ABB 1SEP204483R3701 XRG3-185/10-4P-EFM Switch Disconnector Fuse?
The ABB 1SEP204483R3701, also identified as the XRG3-185/10-4P-EFM, is a heavy-duty four-pole switch disconnector fuse designed for switching, isolation and fuse protection in industrial low-voltage power distribution systems. As part of the proven ABB SlimLine XR Gold fusegear range, it delivers reliable performance for demanding switchboard and panel-building applications while providing safe operation under load.
This manually operated fused switch disconnector combines dependable load switching with effective overcurrent and short-circuit protection when fitted with compatible NH3 fuse links. Its robust construction, front-operated mechanism and busbar mounting arrangement make it ideal for industrial switchboards where reliability, serviceability and space efficiency are important.
With a rated operational current of 630 A and a maximum operational voltage of 500 V AC, the XRG3-185/10-4P-EFM is designed for 185 mm busbar spacing with 10 mm busbar thickness. Its four-pole configuration makes it suitable for isolating three-phase systems with neutral switching.
Key Advantages
- Heavy-duty four-pole switch disconnector fuse for industrial power distribution.
- 630 A rated operational current.
- Provides switching, visible isolation and fuse protection in one assembly.
- Designed for 185 mm busbar spacing and 10 mm busbar thickness.
- Suitable for NH3 fuse links.
- Compact SlimLine XR Gold construction for efficient switchboard layouts.
Key Features
- ABB SlimLine XR Gold series.
- XRG3-185/10-4P-EFM model.
- 630 A rated operational current.
- 500 V AC rated operational voltage.
- Four-pole configuration.
- Compatible with NH3 fuse links.
- Front-operated manual mechanism.
- Suitable for busbar-mounted switchboard installations.
Reliable Switching and Isolation for Industrial Power Systems
Switch disconnector fuses provide safe manual switching together with visible electrical isolation and dependable overcurrent protection using replaceable fuse links. They are widely used in industrial switchboards and distribution equipment where equipment protection, personnel safety and ease of maintenance are critical.
The ABB SlimLine XR Gold range has been engineered to provide compact dimensions, dependable switching performance and straightforward installation for modern industrial electrical distribution systems.
Typical Applications
- Industrial switchboards.
- Main low-voltage distribution panels.
- Motor control centres.
- Manufacturing facilities.
- Commercial electrical distribution systems.
- Infrastructure and utility installations.
