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MERSEN FUSE MV3 1260A/185mm 3P1 1.550.004 1.550.004

MERSEN FUSE MV3 1260A/185mm 3P1 1.550.004 1.550.004

Robust NH fuse-switch disconnector from the MULTIVERT® series ensuring safe and reliable switching and disconnection for high-current industrial applications with a maximum rated current of 1260A across three poles.

SKU: W1023128Alt SKU: 1.550.004MPN: W1023128
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List Price £1,441.04 ex VAT
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£1,441.04
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Manufacturer Lead Time

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Why Choose the Mersen W1023128 MULTIVERT® Double Fuse Switch Disconnector?

The Mersen W1023128, catalogue number 1.550.004, is a genuine MULTIVERT® NH double vertical fuse switch disconnector designed for demanding low-voltage power distribution applications. Rated at 1260 A, it is engineered for NH Size 3 fuse-links and features 1×3-pole switching with quadruple M12 cable termination, making it ideal for high-current industrial installations.

Designed for installation on 185 mm busbar systems, the W1023128 forms part of the proven MULTIVERT® range, providing safe load switching, isolation and overcurrent protection. Its modular construction enables fast installation while offering excellent accessibility for maintenance and future expansion.

The robust design supports heavy-duty transformer substations, industrial switchboards and commercial distribution systems where dependable operation and long service life are essential. Multiple M12 cable termination points provide flexibility when connecting large conductors or parallel cables.

Key Advantages

  • Genuine Mersen MULTIVERT® switch disconnector.
  • 1260 A conventional thermal current rating.
  • Designed for NH Size 3 fuse-links.
  • 1×3-pole switching configuration.
  • Quadruple M12 cable termination for flexible cable connections.
  • Compatible with 185 mm busbar systems.
  • Modular design for easy installation and maintenance.
  • Suitable for demanding industrial power distribution.

Key Features

  • Mersen MULTIVERT® double vertical fuse switch disconnector.
  • Model: W1023128.
  • Catalogue number: 1.550.004.
  • Rated current: 1260 A.
  • Rated operational voltage: 500 V AC.
  • Frequency: 50 / 60 Hz.
  • Fuse size: NH Size 3.
  • Connection: M12 ×4 cable termination.

Built for Heavy-Duty Power Distribution

The Mersen W1023128 has been developed for high-current applications where reliable switching, isolation and fuse protection are critical. Its modular MULTIVERT® design enables straightforward installation on standard 185 mm busbar systems while maintaining excellent operator safety during installation and servicing.

Quadruple M12 cable termination provides additional flexibility for parallel conductors, making the unit suitable for transformer substations, industrial manufacturing facilities and major commercial electrical installations where high-current distribution is required.

Typical Applications

  • Transformer substations.
  • Industrial switchboards.
  • Commercial power distribution.
  • Cable distribution cabinets.
  • OEM switchgear manufacture.
  • Heavy-duty low-voltage electrical installations.

Technical Specifications

Current 400 A
Phase Three Phase
Item number W1023128
Catalogue No 1.550.004
Description NH fuse-switch disconnector MULTIVERT® Size 3 1260A 1x3-Pole switching Screw M12 x4
EAN/UPC Code 9008567006931
Frequency (Hz) 50 ... 60 Hz
Rated voltage AC IEC 500 V
Ampere Rating 1260 A
Switchability 1x3-pole switching
RoHS Compliant Yes
AC or DC AC
Short Circuit Current Rating (SCCR) 18kA@Ue=AC500V;Ie=2 x 400A/28kA@Ue=AC500V;Ie=2 x 630A
Fuse Size 3
Number of Poles 2 x 3-Pole
Degree of Pollution 3
Rated Impulse Withstand Voltage 8 kV
Rated Insulation Voltage 1000 V
Max Power dissipation of Fuse Links Pn 43 W
Installation Mounting Bus Bar Installation
Product Width 200 mm
Product Length 264 mm
Product Height 824 mm
Sell Pack Quantity 1 EA
Sell Pack Weight 13.8 kg
Sell Pack Width 210 mm
Sell Pack Length 755 mm
Sell Pack Height 202 mm
Product group IEC Fuse Switch Disconnectors
Conventional Free Air thermal Current With Fuse-Links Ith 1260 A
Product Weight 13.8 kg
HS Code 85365080
Country of Manufacture Hungary
Poles 3-pole
Device Type Fuse switch disconnector
Voltage 500 V

Frequently Asked Questions

What is the Mersen W1023128 used for?

It is a MULTIVERT® NH double vertical fuse switch disconnector used for switching, isolation and overcurrent protection in high-current low-voltage power distribution systems.

What is the current rating?

The W1023128 has a conventional thermal current rating of 1260 A.

Which fuse-links are compatible?

The switch disconnector is designed for NH Size 3 fuse-links in accordance with IEC/EN 60269-2.

What type of cable connection does it provide?

It features quadruple M12 cable termination, allowing multiple cable connections per pole.

Which busbar systems is it designed for?

The W1023128 is designed for installation on standard 185 mm busbar systems.

Trusted for Critical Power Distribution

Mersen MULTIVERT® fuse switch disconnectors are trusted by switchboard manufacturers, utilities and industrial engineers for dependable switching performance, safe isolation and reliable long-term protection in demanding electrical distribution systems.

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