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MERSEN FUSE MV2 400A/185mm 3P1 1.200.084 1.200.084
Robust NH fuse-switch disconnector for safe and efficient circuit protection with 400A rating, 3-pole switching, and integrated current transformer.
£460.21
Why Choose the Mersen E1023205 MULTIVERT® NH Fuse Switch Disconnector?
The Mersen E1023205 is a premium MULTIVERT® NH fuse switch disconnector engineered for safe switching, isolation and overcurrent protection in industrial low voltage power distribution systems. Designed for installation on 185 mm busbar systems, this Size 2, 400 A, three-pole fuse switch disconnector provides dependable performance for switchboards, motor control centres and industrial distribution equipment.
Part of the advanced Mersen MULTIVERT® 400 A series, the E1023205 features an integrated 400/5 A current transformer (CT) factory fitted in pole 1, enabling accurate single-phase current measurement and simplified energy monitoring. The modular design allows quick installation while maintaining a high level of protection during installation and maintenance.
Rated at 400 A and suitable for operation up to 690 V AC, the E1023205 accepts NH Size 2 fuse links and features robust M12 bolted cable terminals. Its compact construction helps maximise panel space while delivering reliable long-term performance in demanding industrial environments.
Key Advantages
- Industrial NH fuse switch disconnector for switching, isolation and circuit protection.
- 400 A rated current for high power distribution applications.
- 690 V AC operating voltage.
- Designed for 185 mm busbar systems.
- Integrated 400/5 A current transformer for single-pole current measurement.
- Robust M12 bolted cable connections for secure installation.
Key Features
- Mersen MULTIVERT® 400 A series.
- 400 A rated current.
- 690 V AC rated voltage.
- Three-pole switching.
- Compatible with NH Size 2 fuse links.
- Integrated 400/5 A, Class 1 current transformer factory fitted in pole 1.
- M12 bolted cable terminals.
- Compact modular design for industrial switchboards.
Reliable Protection with Integrated Current Monitoring
NH fuse switch disconnectors provide safe manual switching, circuit isolation and overcurrent protection for industrial electrical installations. The integrated current transformer fitted to the E1023205 enables simplified monitoring of electrical loads while maintaining reliable circuit protection.
The MULTIVERT® range is widely used by switchboard manufacturers, panel builders and industrial maintenance engineers requiring dependable switching devices with high fault capacity, modular installation and long service life.
Typical Applications
- Industrial switchboards.
- Motor control centres.
- Power distribution cabinets.
- Manufacturing facilities.
- OEM electrical equipment.
- Energy monitoring installations.
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 | E1023205 | |
| Catalogue No | 1.200.084 | |
| Description | NH fuse-switch disconnector MULTIVERT® Size 2 400A 3x1-Pole switching Bus bar system 185mm Screw M12 ct1P | |
| EAN/UPC Code | 9008567000113 | |
| 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 | 3x1-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® 1.200.000 with integrated C.T. 400/5A, 3,75 VA, class 1 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 | 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 | 4.7 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 | 4.7 kg | |
| Conventional Free Air thermal Current - Solid Links | 630 A |
Frequently Asked Questions
What is the Mersen E1023205 used for?
The E1023205 is an NH fuse switch disconnector designed for switching, isolation and circuit protection in industrial low voltage power distribution systems.
What fuse size is compatible with this switch disconnector?
The unit is designed for NH Size 2 fuse links with ratings up to 400 A.
What is the integrated current transformer used for?
The factory-fitted 400/5 A Class 1 current transformer allows accurate single-phase current measurement for monitoring and energy management applications.
What voltage is the E1023205 rated for?
It is rated for operation at up to 690 V AC on 50/60 Hz electrical systems.
Where is the Mersen E1023205 commonly installed?
It is commonly installed in industrial switchboards, motor control centres, distribution panels and energy monitoring systems using 185 mm busbars.
Trusted for Industrial Power Distribution
Mersen MULTIVERT® fuse switch disconnectors are trusted by electrical engineers worldwide for delivering dependable switching, reliable circuit protection and simplified installation in demanding industrial power distribution systems.
