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MERSEN FUSE MV1 250A/185mm 3P3 1.150.062 1.150.062

MERSEN FUSE MV1 250A/185mm 3P3 1.150.062 1.150.062

Reliable 3-pole fuse-switch disconnector designed for 185mm bus bar systems with a 250A rating and integrated current transformer for precise measurement.

SKU: N1023190Alt SKU: 1.150.062MPN: N1023190
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List Price £678.89 ex VAT
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Why Choose the Mersen N1023190 MULTIVERT® NH Fuse-Switch Disconnector?

The Mersen N1023190 is a high-performance MULTIVERT® NH vertical fuse-switch disconnector designed for industrial low-voltage power distribution systems. Also identified by catalogue number 1.150.062, this 250 A unit is designed for NH size 1 fuse-links and features a factory-fitted 250/5 A Class 0.5 calibrated current transformer in pole 1 for highly accurate single-phase current measurement. It is intended for direct installation onto standard 185 mm busbar systems.

The N1023190 incorporates a 1 × three-pole switching arrangement with secure M10 bolt cable terminations, providing dependable switching, isolation and overcurrent protection for industrial electrical installations. The modular MULTIVERT® design enables rapid installation, straightforward maintenance and excellent operator protection during servicing.

Rated for operation up to 690 V AC at 50/60 Hz, this fuse-switch disconnector is ideal for industrial switchboards, motor control centres, machinery distribution and OEM panel building where accurate integrated current measurement is required.

Key Advantages

  • 250 A rated current for industrial power distribution.
  • Designed for NH size 1 fuse-links.
  • Factory-fitted 250/5 A Class 0.5 calibrated current transformer in pole 1.
  • Suitable for direct installation onto 185 mm busbar systems.
  • 1 × three-pole switching configuration.
  • M10 bolt cable terminations provide secure conductor connections.
  • Compact MULTIVERT® modular construction.
  • Fast installation and simplified maintenance.

Key Features

  • Mersen MULTIVERT® Size 1 fuse-switch disconnector.
  • 250 A rated operational current.
  • 690 V AC rated voltage.
  • Designed for NH size 1 fuse-links.
  • 185 mm busbar mounting.
  • 1 × three-pole switching.
  • 3 × M10 bolt cable terminations.
  • Integrated 250/5 A Class 0.5 calibrated current transformer for single-pole measurement.
  • Rated short-circuit current up to 120 kA (application dependent).
  • Suitable for industrial low-voltage distribution systems.

Accurate Protection and Current Measurement

The Mersen N1023190 combines dependable circuit protection with an integrated calibrated current transformer, eliminating the need for separate externally mounted measurement devices in many applications. The factory-installed 250/5 A Class 0.5 CT delivers highly accurate current monitoring while maintaining the compact footprint of the MULTIVERT® system.

Its modular construction enables quick installation on standard 185 mm busbars while providing safe isolation and dependable long-term performance in demanding industrial environments. The integrated calibrated CT makes the unit particularly suitable for energy metering, feeder monitoring and industrial process control.

Typical Applications

  • Industrial low-voltage switchboards.
  • Motor control centres.
  • Machine power distribution.
  • OEM panel manufacturing.
  • Energy monitoring systems.
  • Industrial automation.
  • Commercial electrical distribution panels.
  • Infrastructure power distribution.

Technical Specifications

Current 250 A
Phase Three Phase
Item number N1023190
Catalogue No 1.150.062
Description NH fuse-switch disconnector MULTIVERT® Size 1 250A 1x3-Pole switching Bus bar system 185mm Screw M10 ct1P c.
EAN/UPC Code 9008567008249
Frequency (Hz) 50 ... 60 Hz
Rated voltage AC IEC 690 V
Ampere Rating 250 A
Utilization Category AC 23 B @ Ue = AC 400 V; Ie = 250 A AC 23 B @ Ue = AC 500 V; Ie = 250 A AC 22 B @ Ue = AC 690 V; Ie = 250 A
Switchability 1x3-pole switching
RoHS Compliant Yes
AC or DC AC
Short Circuit Current Rating (SCCR) 120kA@Ue = AC 400 V; Ie = 250 A / 120kA@Ue = AC 500 V; Ie = 250 A / 120kA@Ue = AC 690 V; Ie = 250 A
Fuse Size 1
Design Details MULTIVERT® 1.150.000 with integrated C.T. 250/5A, 3,75 VA, class 0,5; calibrated, for single pole measurement (ready fitted in pole 1)
Number of Poles 3-Pole
Degree of Pollution 3
Rated Impulse Withstand Voltage 12 kV
Rated Insulation Voltage 1000 V
Rated SC Withstand 8 kA / 1 s
Max Power dissipation of Fuse Links Pn 23 W
Max Power dissipation of Solid Links Pn 2.6 W
Power Dissipation by Ith without Fuse-Links 35 W
Power Dissipation by Ith without Solid Links 90 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 4.8 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 250 A
Product Weight 4.8 kg
Conventional Free Air thermal Current - Solid Links 400 A
Poles 3-pole
Device Type Fuse switch disconnector
Voltage 690 V

Frequently Asked Questions

What is the Mersen N1023190 used for?

The N1023190 is an NH size 1 vertical fuse-switch disconnector providing switching, isolation and circuit protection, with an integrated calibrated current transformer for accurate single-phase current measurement.

What is the current rating?

The unit has a rated operational current of 250 A.

Does the N1023190 include a current transformer?

Yes. It is supplied with a factory-fitted 250/5 A Class 0.5 calibrated current transformer installed in pole 1 for precise single-phase current measurement.

Which busbar system is it designed for?

The N1023190 is designed for direct installation onto a standard 185 mm busbar system.

What type of cable termination does it use?

The unit features three M10 bolt cable terminations for secure conductor connections.

Trusted Industrial Circuit Protection

Mersen MULTIVERT® fuse-switch disconnectors are trusted by panel builders, electrical contractors and industrial engineers to provide dependable isolation, precision current monitoring and reliable protection within low-voltage power distribution systems.

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