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MERSEN FUSE MV2 400A/185mm 3P3 1.270.100 1.270.100

MERSEN FUSE MV2 400A/185mm 3P3 1.270.100 1.270.100

NH fuse-switch disconnector MULTIVERT® Size 2 400A offers secure switching and disconnection in low-voltage power distribution systems with robust V-terminal design and FM-ready integration.

SKU: J1023209Alt SKU: 1.270.100MPN: J1023209
Price
List Price £644.63 ex VAT
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£644.63
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Why Choose the Mersen J1023209 MULTIVERT® Fuse Switch Disconnector?

The Mersen J1023209 is a premium NH fuse switch disconnector designed for safe switching, isolation and circuit protection in low voltage power distribution systems. As part of the Mersen MULTIVERT® 400A series, it is engineered for installation on 185 mm busbar systems and is suitable for industrial switchboards, motor control centres and OEM electrical equipment.

The modular MULTIVERT® platform delivers fast installation, straightforward maintenance and dependable long-term performance. The J1023209 features a compact vertical design with V-terminal connections and is supplied FM ready, allowing the connection of indication facilities for enhanced monitoring and control.

Rated at 400 A with a 690 V AC operating voltage, this Size 2 fuse switch disconnector accepts NH Size 2 fuse-links and provides reliable protection in demanding industrial environments while optimising valuable cabinet space.

Key Advantages

  • Designed for industrial low voltage power distribution.
  • 400 A rated current for demanding electrical applications.
  • 690 V AC rated operating voltage.
  • Compatible with 185 mm busbar systems.
  • Suitable for NH Size 2 fuse-links.
  • FM ready for indication facility wiring.
  • Compact modular design simplifies installation and maintenance.

Key Features

  • Mersen MULTIVERT® 400A series.
  • Item number: J1023209.
  • Catalogue number: 1.270.100.
  • 400 A rated current.
  • 690 V AC rated voltage.
  • 50 / 60 Hz operation.
  • NH Size 2 fuse compatibility.
  • 1 × 3-pole switching configuration.
  • 185 mm busbar mounting.
  • V-terminal cable connection.
  • FM ready for indication facilities.

Reliable Protection for Industrial Power Distribution

The J1023209 provides safe isolation, reliable switching and effective overcurrent protection for industrial electrical installations. Its compact vertical construction reduces cabinet space requirements while maintaining easy access for inspection and maintenance.

The MULTIVERT® modular design enables quick installation and supports dependable long-term operation in manufacturing facilities, infrastructure projects and commercial electrical distribution systems.

Typical Applications

  • Industrial switchboards.
  • Motor control centres.
  • Power distribution panels.
  • OEM electrical equipment.
  • Manufacturing facilities.
  • Commercial and industrial infrastructure.

Technical Specifications

Current 400 A
Phase Three Phase
Item number J1023209
Catalogue No 1.270.100
Description NH fuse-switch disconnector MULTIVERT® Size 2 400A 1x3-Pole switching Bus bar system 185mm V-terminal FM ready
EAN/UPC Code 9008567000236
Frequency (Hz) 50 ... 60 Hz
Rated voltage AC IEC 690 V
Ampere Rating 400 A
Utilization Category AC 23 B @ Ue = AC 400 V; Ie = 400 A AC 22 B @ Ue = AC 500 V; Ie = 400 A AC 21 B @ Ue = AC 690 V; Ie = 400 A
Switchability 1x3-pole switching
RoHS Compliant Yes
AC or DC AC
Short Circuit Current Rating (SCCR) 120kA@Ue = AC 400 V; Ie = 400 A / 120kA@Ue = AC 500 V; Ie = 400 A / 120kA@Ue = AC 690 V; Ie = 315 A / 100kA@Ue = AC 690 V; Ie = 400 A
Fuse Size 2
Design Details MULTIVERT® 1.270.000 with cabling of instrument leads for indication facilities
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 34 W
Max Power dissipation of Solid Links Pn 9 W
Power Dissipation by Ith without Fuse-Links 61 W
Power Dissipation by Ith without Solid Links 151 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 5.1 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 400 A
Product Weight 5.1 kg
Conventional Free Air thermal Current - Solid Links 630 A
HS Code 85365080
Country of Manufacture Hungary
Poles 3-pole
Device Type Fuse switch disconnector
Voltage 690 V

Frequently Asked Questions

What is the Mersen J1023209 used for?

It is an NH fuse switch disconnector designed for switching, isolation and overcurrent protection within industrial low voltage electrical distribution systems.

What is the current rating?

The J1023209 has a rated current of 400 A.

What voltage does it support?

This fuse switch disconnector is rated for operation up to 690 V AC.

What does FM ready mean?

FM ready indicates the unit is prepared for the connection of indication facilities, allowing enhanced monitoring of the switch disconnector.

Where is the J1023209 typically installed?

It is designed for installation on 185 mm busbar systems within industrial switchboards, power distribution panels and motor control centres.

Trusted by Electrical Professionals Worldwide

Mersen MULTIVERT® fuse switch disconnectors are trusted by electrical engineers, switchboard manufacturers and panel builders for delivering safe operation, dependable protection and long-term performance in industrial power distribution systems.

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