Why Choose the ABB 1SEP204489R1500 XRG630BS-50/5-3P Switch Disconnector Fuse?
The ABB 1SEP204489R1500, also identified as the XRG630BS-50/5-3P, is a heavy-duty three-pole switch disconnector fuse engineered for safe switching, circuit isolation and fuse protection in industrial low-voltage power distribution systems. As part of the ABB SlimLine XR Gold fusegear range, it delivers dependable performance for demanding electrical installations while providing efficient panel utilisation and simplified maintenance.
Designed for industrial switchboards and distribution assemblies, this manually operated switch disconnector combines reliable load switching with high fault protection when fitted with compatible British Standard fuse links. Its robust construction and busbar-mounted design allow quick installation and dependable long-term operation in critical power distribution applications.
With a rated operational current of 630 A and a rated operational voltage of up to 690 V AC, the XRG630BS-50/5-3P is ideal for high-current feeder circuits and industrial distribution systems. It is designed for a 50 mm busbar distance with a 5 mm busbar thickness, making it suitable for compatible ABB SlimLine switchboard configurations.
Key Advantages
Heavy-duty three-pole switch disconnector fuse for industrial applications.
630 A rated operational current for demanding distribution systems.
Provides switching, visible isolation and fuse protection in one assembly.
Designed for 50 mm busbar spacing and 5 mm busbar thickness.
Busbar-mounted construction enables efficient installation.
Compatible with 3T Lawson British Standard fuse links.
Manual operating mechanism.
Suitable for industrial switchboards and distribution panels.
Reliable Switching for High-Current Power Distribution
Switch disconnector fuses are designed to safely isolate electrical circuits while providing dependable overcurrent and short-circuit protection through replaceable fuse links. They are widely used in industrial distribution equipment where safe maintenance and reliable electrical protection are essential.
The ABB SlimLine XR Gold range combines robust construction with compact dimensions, making it an excellent choice for modern electrical switchboards requiring high performance, ease of installation and long service life.
Typical Applications
Industrial switchboards.
Main power distribution panels.
Motor control centres.
Manufacturing facilities.
Infrastructure and utility installations.
Commercial and industrial electrical distribution systems.
Technical Specifications
Phase
Three Phase
Manufacturer
ABB
Series
SlimLine XR Gold
Product ID
1SEP204489R1500
Model
XRG630BS-50/5-3P
Product type
Switch disconnector fuse
Number of poles
3
Rated operational current
630 A
Rated operational voltage
690 V AC
Rated insulation voltage
1000 V
Rated impulse withstand voltage
8 kV
Utilisation category
AC-22B / AC-23A
Fuse system
British Standard
Fuse size
3T Lawson
Busbar distance
50 mm
Busbar thickness
5 mm
Main circuit connection
Bolt connection
Protection rating
IP41 (front)
Mounting type
Busbar mounting
Weight
Approx. 15.24 kg
Standard
IEC 60947-3
Frequently Asked Questions
What is the ABB 1SEP204489R1500 used for?
It is used for switching, isolating and protecting high-current electrical circuits in industrial low-voltage distribution systems.
What is the rated current?
The XRG630BS-50/5-3P has a rated operational current of 630 A.
Which fuse type does it accept?
This model is designed for compatible British Standard 3T Lawson fuse links.
What supply voltage is supported?
The switch disconnector fuse is rated for operation up to 690 V AC.
Where is this switch disconnector typically installed?
It is commonly installed in industrial switchboards, power distribution panels and other low-voltage electrical assemblies.
Trusted for Industrial Power Distribution
ABB SlimLine XR Gold switch disconnector fuses are trusted by electrical engineers, panel builders and industrial facilities worldwide for dependable switching, isolation and circuit protection.
Phase
Three Phase
Manufacturer
ABB
Series
SlimLine XR Gold
Product ID
1SEP204489R1500
Model
XRG630BS-50/5-3P
Product type
Switch disconnector fuse
Number of poles
3
Rated operational current
630 A
Rated operational voltage
690 V AC
Rated insulation voltage
1000 V
Rated impulse withstand voltage
8 kV
Utilisation category
AC-22B / AC-23A
Fuse system
British Standard
Fuse size
3T Lawson
Busbar distance
50 mm
Busbar thickness
5 mm
Main circuit connection
Bolt connection
Protection rating
IP41 (front)
Mounting type
Busbar mounting
Weight
Approx. 15.24 kg
Standard
IEC 60947-3
No documents available for this product.
Delivery
We offer fast UK delivery on all stocked items. Orders placed before 3pm Monday to Friday are eligible for next-day delivery.
Standard delivery: 2–3 working days
Next-day delivery: available on in-stock items when ordered before 3pm
Express options available — contact us for details
Returns
If you need to return an item, please contact our sales team within 30 days of receipt. Items must be returned unused in their original packaging.
Our service agreements are built to support long term procurement relationships. By working closely with engineering teams and procurement departments, we help streamline purchasing processes while ensuring consistent access to critical components and sourcing support when it matters most.
Priority sourcing and supply support
Flexible payment terms for qualifying organisations
Support for engineering, maintenance, and operations
500 +
Stock lines ready to ship
1,000 +
Same day dispatches
3500 +
Customers supported
28
Trusted Manfacturers
● frequently asked questions
Common questions about our products and support
At Led Controls Ltd we help engineers source the right automation and control gear with confidence. below are quick answers to what we are asked most often.
What product ranges do you supply
We supply all leading manfacturers in our industry. we offer next day delivery on most poplour products.
Can you help specify the correct part?
Your content goes here. Edit or remove this text inline or in the module Content settings. You can also style every aspect of this content in the module Design settings and even apply custom CSS to this text in the module Advanced settings.
Do you have stock for urgent orders?
Your content goes here. Edit or remove this text inline or in the module Content settings. You can also style every aspect of this content in the module Design settings and even apply custom CSS to this text in the module Advanced settings.
What are your delivery times and costs?
Your content goes here. Edit or remove this text inline or in the module Content settings. You can also style every aspect of this content in the module Design settings and even apply custom CSS to this text in the module Advanced settings.
What about warranties, returns and faulty items?
Your content goes here. Edit or remove this text inline or in the module Content settings. You can also style every aspect of this content in the module Design settings and even apply custom CSS to this text in the module Advanced settings.
LED Controls is a specialist distributor of factory automation and industrial controls, supplying OEMs, machine builders, panel builders and end users throughout the UK and worldwide. As a trusted UK distributor for many of the world’s leading automation manufacturers, we provide industrial control products, technical expertise and bespoke automation solutions backed by outstanding customer service.
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...