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XRG1-50/5-3P-EFM Switch disconnector fuse

XRG1-50/5-3P-EFM Switch disconnector fuse

ABB XRG1-50/5-3P-EFM SlimLine XR Gold three-pole 250 A switch disconnector fuse with integrated Electronic Fuse Monitoring for industrial and renewable energy power distribution.

SKU: 1SEP204481R1501Alt SKU: XRG1-50/5-3P-EFMMPN: 1SEP204481R1501
Price
List Price £2,100.14 ex VAT
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£2,100.14
Manufacturer Lead Time Estimated Delivery 5 weeks
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Manufacturer Lead Time

£2,100.14

Why Choose the ABB XRG1-50/5-3P-EFM Switch Disconnector Fuse?

The ABB XRG1-50/5-3P-EFM (1SEP204481R1501) is an advanced three-pole switch disconnector fuse featuring factory-fitted Electronic Fuse Monitoring (EFM) for enhanced protection and system reliability. Part of the premium ABB SlimLine XR Gold series, it is engineered for low voltage power distribution systems where continuous monitoring of fuse status helps minimise downtime and improve maintenance efficiency.

Designed for installation on 50 mm busbar systems with a 5 mm busbar thickness, the XRG1-50/5-3P-EFM offers fast, wire-free installation while maintaining a compact footprint within switchboards. The integrated Electronic Fuse Monitoring system provides rapid indication of blown fuse conditions, allowing maintenance personnel to identify faults quickly and reduce unnecessary troubleshooting.

With a 250 A rated operational current, compatibility with NH1 DIN fuse links and operation up to 690 V AC, this switch disconnector fuse is ideal for industrial switchboards, renewable energy installations, manufacturing facilities and commercial power distribution systems requiring dependable circuit protection and enhanced operational visibility.

Key Advantages

  • High-performance three-pole switch disconnector fuse.
  • Factory-fitted Electronic Fuse Monitoring (EFM) for improved maintenance.
  • 250 A rated operational current for demanding industrial applications.
  • Designed for 50 mm busbar spacing and 5 mm busbar thickness.
  • Compatible with NH1 DIN fuse links.
  • Reliable ABB SlimLine XR Gold design for modern power distribution.

Key Features

  • ABB SlimLine XR Gold series.
  • XRG1-50/5-3P-EFM model.
  • Electronic Fuse Monitoring (EFM) factory installed.
  • Three-pole configuration.
  • 250 A rated operational current.
  • 690 V AC maximum operational voltage.
  • 1000 V insulation voltage (Ui).
  • 8 kV impulse withstand voltage (Uimp).
  • Suitable for NH1 DIN fuse links.
  • Front-operated manual switching mechanism.
  • Busbar-mounted design for efficient installation.
  • IP41 front protection rating.

Enhanced Protection with Electronic Fuse Monitoring

Electronic Fuse Monitoring continuously supervises the condition of installed fuse links and provides rapid indication if a fuse operates. This allows maintenance teams to locate faults more quickly, minimise equipment downtime and improve overall system availability compared with conventional fuse switch disconnectors.

The ABB SlimLine XR Gold range has been developed for high-performance industrial and renewable energy applications where reliability, safety and ease of maintenance are essential. Its robust construction and compact busbar-mounted design make it suitable for modern electrical distribution systems.

Typical Applications

  • Industrial switchboards.
  • Renewable energy and solar inverter systems.
  • Busbar power distribution systems.
  • Manufacturing facilities.
  • Commercial electrical distribution panels.
  • Critical infrastructure installations.

Technical Specifications

Phase Three Phase
Manufacturer ABB
Series SlimLine XR Gold
Model XRG1-50/5-3P-EFM
Product ID 1SEP204481R1501
EAN 3800161650789
Product type Switch disconnector fuse with Electronic Fuse Monitoring
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 NH1
Busbar spacing 50 mm
Busbar thickness 5 mm
Cable entry Side
Main connection Bolt connection
Protection rating IP41 (front)
Mounting Busbar mounting
Weight Approx. 7.01 kg
HS Code 85363090
Country of Manufacture Bulgaria
Poles 3-pole
Device Type Fuse switch disconnector
Fuse Size NH1

Frequently Asked Questions

What is the ABB XRG1-50/5-3P-EFM used for?

It is used for switching, isolating and protecting three-phase low-voltage electrical circuits while providing integrated electronic monitoring of fuse status.

What does Electronic Fuse Monitoring (EFM) do?

Electronic Fuse Monitoring detects when a fuse link has operated, helping maintenance personnel quickly identify faults and reduce equipment downtime.

What fuse size is compatible?

The XRG1-50/5-3P-EFM is designed for NH1 DIN fuse links.

What 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 rated current?

The ABB XRG1-50/5-3P-EFM has a 250 A rated operational current.

Trusted by Electrical Professionals Worldwide

ABB SlimLine XR Gold switch disconnector fuses with Electronic Fuse Monitoring are trusted by panel builders, industrial engineers and renewable energy specialists for dependable protection, intelligent monitoring and reliable operation in critical electrical distribution systems.

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