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MERSEN FUSE MV2 400A/185mm 3P3 1.270.000 1.270.000
The MULTIVERT® NH fuse-switch disconnector, Size 2, offers reliable 400A switching and protection in demanding industrial environments. Designed for 1×3-pole operation on 185mm bus bar systems, it ensures secure isolation and easy integration within your power distribution infrastructure.
£226.19
Why Choose the Mersen H1023208 NH Fuse Switch Disconnector?
The Mersen H1023208 is a MULTIVERT® NH vertical fuse switch disconnector designed for dependable switching, isolation and fuse protection in industrial low-voltage power distribution systems. Rated at 400 A and up to 690 V AC, it is engineered for direct installation onto standard 185 mm busbar systems.
This three-pole unit accommodates NH Size 2 fuse links and uses a V-terminal cable connection, allowing compatible V-clamps to provide secure conductor termination. Its compact standard-depth design helps conserve space inside distribution cabinets while retaining the modular flexibility associated with the Mersen MULTIVERT® platform.
With utilisation categories including AC-23B at 400 V, a short-circuit current rating of up to 120 kA under specified operating conditions and compliance with recognised IEC standards, the H1023208 is suitable for demanding switchboards, feeder systems and industrial distribution assemblies.
Key Advantages
- Genuine Mersen MULTIVERT® 400A fuse switch disconnector.
- Combines switching, isolation and fuse protection in one assembly.
- 400 A rated current for demanding distribution circuits.
- Supports operating voltages up to 690 V AC.
- Designed for direct installation on 185 mm busbar systems.
- Compatible with NH Size 2 fuse links.
- V-terminal connection supports secure cable termination.
- Compact installation depth helps maximise switchboard space.
- Modular construction simplifies installation and maintenance.
Key Features
- MULTIVERT® Size 2 vertical design.
- 1 × 3-pole switching arrangement.
- 400 A conventional free-air thermal current with fuse links.
- 690 V AC maximum rated operational voltage.
- 50–60 Hz operating frequency.
- V-terminal cable connection.
- 185 mm busbar mounting system.
- Rated insulation voltage of 1,000 V.
- Rated impulse withstand voltage of 12 kV.
- Compact standard installation depth of approximately 123 mm.
Reliable Switching and Protection for 400 A Circuits
When fitted with an appropriately selected NH Size 2 fuse link, the Mersen H1023208 provides effective protection against overload and short-circuit conditions. Its switching mechanism also allows the connected circuit to be isolated for maintenance, inspection or equipment replacement.
The unit mounts directly onto a 185 mm busbar system, reducing wiring requirements and helping panel builders create compact, modular distribution assemblies. Its V-terminal configuration provides installation flexibility by accepting compatible terminal clamps selected for the conductor size and application.
The standard MULTIVERT® design has an installation depth of approximately 123 mm, making it particularly useful in power distribution cabinets where internal space is limited. Its symmetrical, modular construction also supports straightforward integration with compatible Mersen accessories.
Typical Applications
- Industrial low-voltage switchboards.
- Main and sub-distribution panels.
- Transformer substations.
- Feeder pillars and cable distribution cabinets.
- Motor control centres.
- Manufacturing and processing facilities.
- Commercial power distribution systems.
- Infrastructure and utility installations.
- OEM electrical equipment.
Technical Specifications
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| Mounting Type | Busbar system 185 mm | |
|---|---|---|
| Current | 400 A | |
| Phase | Three Phase | |
| Poles | 3-pole | |
| Device Type | Fuse switch disconnector | |
| Voltage | 690 V | |
| Item number | H1023208 | |
| Catalogue No | 1.270.000 | |
| Description | NH fuse-switch disconnector MULTIVERT® Size 2 400A 1x3-Pole switching Bus bar system 185mm V-terminal | |
| EAN/UPC Code | 9008567000229 | |
| 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 | |
| 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 | 4.78 kg | |
| Sell Pack Width | 200 mm | |
| Sell Pack Length | 705 mm | |
| Sell Pack Height | 110 mm | |
| Product group | IEC Fuse Switch Disconnectors | |
| Conventional Free Air thermal Current With Fuse-Links Ith | 400 A | |
| Product Weight | 4.78 kg | |
| Conventional Free Air thermal Current - Solid Links | 630 A | |
| HS Code | 85365080 | |
| Country of Manufacture | Hungary |
Frequently Asked Questions
What is the Mersen H1023208?
The H1023208 is a MULTIVERT® NH Size 2 vertical fuse switch disconnector rated at 400 A for direct installation on a 185 mm busbar system.
Which fuse links are compatible with the H1023208?
The unit is designed for compatible NH Size 2 fuse links manufactured in accordance with IEC/EN 60269-2.
What cable connection does the H1023208 use?
It features a V-terminal connection designed for use with compatible V-clamps selected to suit the conductor and installation requirements.
What is the rated current and voltage?
The H1023208 has a rated current of 400 A and supports operating voltages up to 690 V AC.
What is the busbar spacing?
The fuse switch disconnector is designed for direct mounting onto a standard 185 mm busbar system.
What is the short-circuit current rating?
The unit provides a short-circuit current rating of up to 120 kA, depending on the operating voltage, current and fitted fuse-link configuration.
Trusted for Industrial Power Distribution
Mersen MULTIVERT® fuse switch disconnectors are used by panel builders, OEM manufacturers and electrical engineers to provide reliable circuit protection, safe isolation and space-efficient integration within industrial power distribution systems.
