ABB XRG250BS-50/5-3P SlimLine XR Gold three-pole 250 A switch disconnector fuse for 50 mm busbar spacing, 5 mm busbar thickness and British Standard B2 fuse links.
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Why Choose the ABB XRG250BS-50/5-3P Switch Disconnector Fuse?
The ABB XRG250BS-50/5-3P (1SEP204487R1500) is a premium three-pole switch disconnector fuse from the ABB SlimLine XR Gold series, engineered to provide safe switching, reliable isolation and overcurrent protection for demanding low voltage electrical distribution systems. Designed for use with British Standard B2 fuse links, it delivers dependable performance across industrial, commercial and infrastructure installations.
Designed for installation on 50 mm busbar systems with a 5 mm busbar thickness, the XRG250BS-50/5-3P offers rapid busbar mounting, compact dimensions and secure bolt-connected terminals. The SlimLine XR Gold construction maximises available switchboard space whilst providing excellent accessibility for operation and maintenance.
With a 250 A rated operational current, 690 V AC rated operational voltage and a 120 kA conditional short-circuit current, this switch disconnector fuse provides dependable protection for critical distribution circuits where safety and reliability are essential.
Designed for 50 mm busbar spacing with 5 mm busbar thickness.
Compatible with British Standard B2 fuse links.
120 kA conditional short-circuit capability.
Compact ABB SlimLine XR Gold construction for efficient panel layouts.
Key Features
ABB SlimLine XR Gold series.
XRG250BS-50/5-3P model.
Three-pole configuration.
250 A rated operational current.
690 V AC rated operational voltage.
1000 V insulation voltage (Ui).
8 kV impulse withstand voltage (Uimp).
Suitable for British Standard B2 fuse links.
Manual front operation.
Busbar-mounted design.
IP41 front protection rating.
Reliable Protection for British Standard Fuse Systems
The XRG250BS-50/5-3P combines manual switching, safe electrical isolation and fuse protection in a compact assembly. It is designed to accommodate British Standard B2 fuse links, providing dependable overload and short-circuit protection whilst allowing safe maintenance of downstream equipment.
ABB's SlimLine XR Gold range has been developed to simplify switchboard construction whilst delivering excellent electrical performance. The compact busbar-mounted design enables higher feeder density and efficient use of panel space without compromising accessibility or operational safety.
Typical Applications
Industrial switchboards.
Commercial electrical distribution.
Infrastructure power systems.
Manufacturing facilities.
Motor feeder protection.
Low voltage busbar distribution systems.
Technical Specifications
Phase
Three Phase
Manufacturer
ABB
Series
SlimLine XR Gold
Model
XRG250BS-50/5-3P
Product ID
1SEP204487R1500
EAN
3800161651540
Product type
Switch disconnector fuse
Rated operational current
250 A
Rated operational voltage
690 V AC
Rated insulation voltage (Ui)
1000 V
Rated impulse withstand voltage (Uimp)
8 kV
Conditional short-circuit current (Iq)
120 kA
Number of poles
3
Fuse size
B2
Fuse standard
British Standard
Busbar spacing
50 mm
Busbar thickness
5 mm
Main connection
Bolt connection
Cable entry
Side
Mounting type
Busbar mounting
Protection rating
IP41 (front)
Dimensions (H × W × D)
Approx. 100 × 590 × 335 mm
Weight
Approx. 6.86 kg
Standard
IEC 60947-3
Frequently Asked Questions
What is the ABB XRG250BS-50/5-3P used for?
It is used to switch, isolate and protect three-phase low voltage electrical circuits installed on compatible busbar distribution systems.
What is the rated current?
The ABB XRG250BS-50/5-3P has a rated operational current of 250 A.
Which fuse links are compatible?
This model is designed for British Standard B2 fuse links.
Which busbar system is this switch designed for?
It is designed for busbar systems with 50 mm phase spacing and 5 mm busbar thickness.
What is the front protection rating?
The ABB XRG250BS-50/5-3P provides a front IP41 protection rating when correctly installed.
Trusted by Electrical Professionals Worldwide
ABB SlimLine XR Gold switch disconnector fuses are trusted by panel builders, electrical contractors and industrial engineers for dependable circuit protection, safe isolation and long-term reliability in demanding power distribution applications.
Phase
Three Phase
Manufacturer
ABB
Series
SlimLine XR Gold
Model
XRG250BS-50/5-3P
Product ID
1SEP204487R1500
EAN
3800161651540
Product type
Switch disconnector fuse
Rated operational current
250 A
Rated operational voltage
690 V AC
Rated insulation voltage (Ui)
1000 V
Rated impulse withstand voltage (Uimp)
8 kV
Conditional short-circuit current (Iq)
120 kA
Number of poles
3
Fuse size
B2
Fuse standard
British Standard
Busbar spacing
50 mm
Busbar thickness
5 mm
Main connection
Bolt connection
Cable entry
Side
Mounting type
Busbar mounting
Protection rating
IP41 (front)
Dimensions (H × W × D)
Approx. 100 × 590 × 335 mm
Weight
Approx. 6.86 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.
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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...