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MERSEN FUSE MV3 630A/185mm 3P1 1.300.095

MERSEN FUSE MV3 630A/185mm 3P1 1.300.095

Engineered for reliability and versatility, the MULTIVERT® Size 3 630A fuse-switch disconnector is designed for secure isolation and protection of low-voltage bus bar systems with a 185mm pitch. Its robust 3×1-pole configuration and M12 screw terminals ensure consistent, safe connections in demanding industrial environments.

SKU: B1023248Alt SKU: 1.300.095MPN: B1023248
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List Price £868.19 ex VAT
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Why Choose the Mersen B1023248 MULTIVERT® NH Fuse Switch Disconnector?

The Mersen B1023248 is a high-performance MULTIVERT® NH vertical fuse switch disconnector engineered for safe switching, isolation and overcurrent protection in demanding industrial low-voltage power distribution systems. Manufactured under catalogue number 1.300.095, this three-pole unit is designed for NH Size 3 fuse links, providing a 630 A current rating and a maximum operating voltage of 690 V AC.

Designed for installation on 185 mm busbar systems, the B1023248 features robust 3 × M12 bolted cable terminations and incorporates a factory-fitted 600/5 A, 5 VA, Class 1 current transformer for triple-pole measurement. This integrated metering capability enables accurate current monitoring without increasing the installation depth, making it ideal for modern industrial switchboards and power monitoring applications.

Part of the proven MULTIVERT® 630 A modular platform, the B1023248 combines compact installation, dependable electrical performance and simplified maintenance, making it suitable for OEM equipment, transformer substations and industrial distribution panels.

Key Advantages

  • Designed for NH Size 3 fuse links.
  • 630 A rated current for high-power industrial applications.
  • 690 V AC operating voltage.
  • Integrated 600/5 A Class 1 current transformer for triple-pole measurement.
  • Designed for 185 mm busbar systems.
  • 3 × M12 bolted cable terminations.
  • Compact installation depth of approximately 123 mm.

Key Features

  • Mersen MULTIVERT® 630 A series.
  • Three-pole NH fuse switch disconnector.
  • Compatible with NH Size 3 fuse links.
  • 630 A continuous current rating.
  • 690 V AC rated operating voltage.
  • Integrated 600/5 A, 5 VA, Class 1 current transformer for three-phase measurement.
  • 185 mm busbar mounting.
  • Heavy-duty 3 × M12 bolted terminals.
  • Touch protection to IP30.
  • Safe on-load switching in accordance with IEC 60947-3.

Integrated Protection and Current Monitoring

NH fuse switch disconnectors provide dependable manual isolation while protecting circuits against overloads and short circuits through NH fuse links. The integrated measuring transformer fitted to the B1023248 enables accurate three-phase current monitoring without requiring additional external mounting space.

The Mersen B1023248 combines high-current switching capability with integrated metering, making it particularly suitable for industrial switchboards, transformer substations, feeder pillars and power distribution systems where both protection and electrical monitoring are required.

Typical Applications

  • Industrial switchboards.
  • Transformer substations.
  • Power distribution systems.
  • Feeder pillars.
  • Cable distribution cabinets.
  • OEM machinery.
  • Industrial energy monitoring installations.

Technical Specifications

Current 630 A
Phase Three Phase
Item number B1023248
Catalogue No 1.300.095
Description NH fuse-switch disconnector MULTIVERT® Size 3 630A 3x1-Pole switching Bus bar system 185mm Screw M12 ct3P
EAN/UPC Code 9008567000267
Frequency (Hz) 50 ... 60 Hz
Rated voltage AC IEC 690 V
Ampere Rating 630 A
Utilization Category AC 23 B @ Ue = AC 400 V; Ie = 630 A AC 22 B @ Ue = AC 500 V; Ie = 630 A AC 21 B @ Ue = AC 690 V; Ie = 630 A
Switchability 3x1-pole switching
RoHS Compliant Yes
AC or DC AC
Short Circuit Current Rating (SCCR) 80kA@Ue = AC 400 V; Ie = 630 A / 80kA@Ue = AC 500 V; Ie = 630 A / 80kA@Ue = AC 690 V; Ie = 500 A
Fuse Size 3
Design Details MULTIVERT® 1.300.000 with integrated C.T. 600/5A, 5,00 VA, class 1 for triple pole measurement
Number of Poles 3-Pole
Degree of Pollution 3
Rated Impulse Withstand Voltage 12 kV
Rated Insulation Voltage 1000 V
Rated SC Withstand 12.6 kA / 1 s
Max Power dissipation of Fuse Links Pn 48 W
Max Power dissipation of Solid Links Pn 17.5 W
Power Dissipation by Ith without Fuse-Links 95 W
Rated short circuit making capacity with solid links Icm 16 kA
Installation Mounting Bus bar system 185 mm
Product Width 98 mm
Product Length 190 mm
Product Height 685 mm
Sell Pack Quantity 1 EA
Sell Pack Weight 6.3 kg
Sell Pack Width 100 mm
Sell Pack Length 688 mm
Sell Pack Height 195 mm
Product group IEC Fuse Switch Disconnectors
Conventional Free Air thermal Current With Fuse-Links Ith 630 A
Product Weight 6.3 kg
Conventional Free Air thermal Current - Solid Links 800 A
Poles 3-pole
Device Type Fuse switch disconnector
Voltage 690 V

Frequently Asked Questions

What is the Mersen B1023248 used for?

The B1023248 is a three-pole NH fuse switch disconnector designed for switching, isolation, overcurrent protection and integrated three-phase current measurement in industrial low-voltage power distribution systems.

Which fuse size is compatible with this unit?

The unit is designed for NH Size 3 fuse links.

Does this model include an integrated current transformer?

Yes. It incorporates a factory-fitted 600/5 A, 5 VA, Class 1 current transformer for triple-pole current measurement.

Which busbar system is it designed for?

The B1023248 is designed for installation on a 185 mm busbar system.

What cable termination does it use?

The fuse switch disconnector features robust 3 × M12 bolted cable terminations for secure industrial electrical connections.

Trusted for High-Current Industrial Protection

Mersen MULTIVERT® NH fuse switch disconnectors combine dependable circuit protection, safe isolation and integrated current measurement, making them a trusted solution for demanding industrial power distribution applications.

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