Why Choose the ABB 1SEP204489R3700 XRG630BS-185/10-4P Switch Disconnector Fuse?
The ABB 1SEP204489R3700, also known as the XRG630BS-185/10-4P, is a heavy-duty four-pole switch disconnector fuse designed for safe switching, reliable isolation and fuse protection in demanding low-voltage power distribution systems. Part of the renowned ABB SlimLine XR Gold range, it is engineered for industrial switchboards where high current capacity, compact installation and dependable operation are essential.
Designed for 185 mm busbar spacing with 10 mm busbar thickness, this manually operated switch disconnector fuse accommodates British Standard 3T Lawson fuse links and provides reliable protection against overloads and short circuits. Its four-pole design enables simultaneous isolation of all three phases and the neutral conductor, improving electrical safety during maintenance and servicing.
With a rated operational current of 630 A and a maximum operational voltage of 500 V AC, the XRG630BS-185/10-4P is ideally suited to industrial power distribution panels, motor control centres and critical infrastructure installations requiring high-performance switching and circuit protection.
Key Advantages
- Heavy-duty four-pole switch disconnector fuse for industrial applications.
- 630 A rated operational current.
- Provides switching, circuit isolation and fuse protection in one compact unit.
- Designed for 185 mm busbar spacing and 10 mm busbar thickness.
- Compatible with British Standard 3T Lawson fuse links.
- Compact SlimLine XR Gold construction for efficient switchboard layouts.
Key Features
- ABB SlimLine XR Gold series.
- XRG630BS-185/10-4P model.
- 630 A rated operational current.
- 500 V AC rated operational voltage.
- Four-pole configuration.
- Manual operating mechanism.
- Busbar-mounted design.
- Compatible with British Standard 3T Lawson fuse links.
- IP41 front protection.
- Bolt-connected main terminals.
Reliable High-Current Protection for Industrial Power Distribution
Switch disconnector fuses combine dependable load switching, visible electrical isolation and high-performance overcurrent protection within a single assembly. They are widely used in industrial switchboards where operator safety, equipment protection and ease of maintenance are essential.
The ABB SlimLine XR Gold range has been developed to maximise installation efficiency while delivering dependable switching performance in demanding industrial environments. Its compact busbar-mounted design simplifies panel construction without compromising electrical performance.
Typical Applications
- Industrial switchboards.
- Main low-voltage distribution panels.
- Motor control centres.
- Manufacturing facilities.
- Commercial electrical distribution.
- Infrastructure and utility installations.
