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MERSEN FUSE MV3 630A/185mm 3P1 1.300.076 1.300.076

MERSEN FUSE MV3 630A/185mm 3P1 1.300.076 1.300.076

The MULTIVERT® Size 3 NH fuse-switch disconnector offers reliable 630A 3×1-pole switching for demanding industrial and power distribution applications. Designed for 185mm bus bar systems, it ensures safe, fast and efficient circuit protection and isolation.

SKU: Z1023246Alt SKU: 1.300.076MPN: Z1023246
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List Price £1,711.78 ex VAT
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Why Choose the Mersen Z1023246 MULTIVERT® Fuse Switch Disconnector?

The Mersen Z1023246, catalogue number 1.300.076, is a heavy-duty NH vertical fuse switch disconnector designed for safe switching, isolation and overcurrent protection in industrial low-voltage power distribution systems. As part of the Mersen MULTIVERT® 630 A and i-Xtensio 630 A series, it is engineered for installation on standard 185 mm busbar systems and provides reliable performance in demanding high-current applications.

Designed for NH3 fuse links, the Z1023246 features a 3 × 1-pole switching configuration with M12 bolt cable terminations. This model incorporates a factory-calibrated 600/5 A current transformer with Class 0.5 accuracy for triple-pole current measurement, making it ideal for installations requiring integrated metering and monitoring.

With a rated current of 630 A, a rated operating voltage of 690 V AC and compliance with IEC switchgear standards, the Mersen Z1023246 is well suited to industrial switchboards, feeder pillars, power distribution cabinets and infrastructure projects where dependable switching, protection and current measurement are essential.

Key Advantages

  • Heavy-duty NH3 fuse switch disconnector for industrial power distribution.
  • 630 A rated current for demanding electrical installations.
  • 690 V AC rated operating voltage.
  • Designed for 185 mm busbar systems.
  • Integrated 600/5 A Class 0.5 current transformer for calibrated three-phase current measurement.
  • Modular construction enables straightforward installation and maintenance.

Key Features

  • Mersen MULTIVERT® 630 A and i-Xtensio 630 A series.
  • NH3 fuse-link compatibility.
  • 630 A rated current.
  • 690 V AC rated voltage.
  • Three-pole, 3 × 1-pole switching.
  • 185 mm busbar mounting.
  • M12 bolt terminal connections.
  • Integrated 600/5 A current transformer, 5 VA, Class 0.5, calibrated for triple-pole measurement.
  • Compact installation depth of approximately 123 mm.
  • RoHS compliant construction.

Reliable High-Current Switching with Integrated Measurement

Fuse switch disconnectors provide safe manual switching, circuit isolation and overcurrent protection for industrial electrical systems. Used with compatible NH fuse links, they help protect cables and equipment from overloads and short circuits while allowing maintenance to be carried out safely.

The Mersen Z1023246 combines proven MULTIVERT® switching technology with a factory-calibrated triple-phase current transformer, reducing installation complexity while providing accurate current measurement for energy management, monitoring and protection systems.

Typical Applications

  • Industrial switchboards.
  • Main low-voltage distribution systems.
  • Power distribution cabinets.
  • Utility and infrastructure installations.
  • Motor control centres.
  • Energy monitoring systems.
  • Manufacturing and processing facilities.

Technical Specifications

Current 630 A
Phase Three Phase
Item number Z1023246
Catalogue No 1.300.076
Description NH fuse-switch disconnector MULTIVERT® Size 3 630A 3x1-Pole switching Bus bar system 185mm Screw M12 ct3P c.
EAN/UPC Code 9008567008324
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 0,5; calibrated, 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 5.6 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 5.6 kg
Conventional Free Air thermal Current - Solid Links 800 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 Z1023246 used for?

The Mersen Z1023246 is used to switch, isolate and protect high-current electrical circuits while providing integrated three-phase current measurement.

Which fuse size is compatible with the Z1023246?

The unit is designed for NH3 fuse links with a rated current of up to 630 A.

Does the Z1023246 include a current transformer?

Yes. It incorporates a factory-calibrated 600/5 A, 5 VA, Class 0.5 current transformer for triple-pole current measurement.

Which busbar system is this switch disconnector designed for?

The Mersen Z1023246 is designed for installation on a standard 185 mm busbar system.

What is the rated operating voltage?

The unit operates at up to 690 V AC and complies with major IEC standards for low-voltage switchgear.

Trusted for High-Current Power Distribution

Mersen MULTIVERT® fuse switch disconnectors are trusted by electrical engineers and panel builders to deliver reliable switching, integrated current monitoring and dependable protection in industrial low-voltage distribution systems.

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