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MERSEN FUSE MV3 1000A/185mm 3P3 1.712.900 1.712.900
The NH fuse-switch disconnector MULTIVERT® provides reliable and safe switching and protection for electrical distribution systems up to 1000A. Its robust 3×1-pole design ensures secure isolation and efficient handling of high power loads, supporting operational safety and maintenance flexibility.
£734.92
Why Choose the Mersen N1023121 MULTIVERT® 1000A Main Incomer?
The Mersen N1023121 is a heavy-duty MULTIVERT® NH vertical main incomer fuse-switch disconnector engineered for high-current industrial power distribution systems. Also identified by catalogue number 1.712.900, this robust unit is rated at 1000 A and is supplied with factory-fitted 1000 A NH solid links for use as a main incomer on low-voltage switchboards. Designed for direct installation onto 185 mm busbar systems, it provides dependable isolation and switching for demanding industrial applications.
Featuring a 3 × single-pole switching arrangement with secure M12 screw cable terminations, the N1023121 enables reliable connection of large conductors while maintaining a compact installation footprint. The MULTIVERT® modular design allows fast installation, easy maintenance and a high level of operator protection throughout the service life of the equipment.
Rated for operation up to 690 V AC at 50/60 Hz, the N1023121 is ideally suited for industrial switchboards, infrastructure projects, commercial buildings and OEM power-distribution assemblies requiring dependable high-current isolation.
Key Advantages
- 1000 A rated current for high-power distribution systems.
- Supplied with factory-fitted 1000 A NH solid links.
- Designed for direct installation onto 185 mm busbar systems.
- 3 × single-pole switching configuration.
- M12 screw cable terminations provide secure conductor connections.
- Compact MULTIVERT® modular construction.
- Fast installation and simplified maintenance.
- Suitable for demanding industrial and commercial switchboards.
Key Features
- Mersen MULTIVERT® 1000A Main Incomer.
- 1000 A rated operational current.
- 690 V AC operating voltage.
- 50/60 Hz operation.
- 3 × single-pole switching.
- 185 mm busbar mounting.
- M12 multiple cable termination.
- Factory fitted with 1000 A NH solid links.
- Rated insulation voltage 1000 V.
- Designed for industrial low-voltage distribution systems.
Reliable Main Incomer for High-Current Distribution
The Mersen N1023121 is specifically designed to act as the primary incoming switching device within industrial switchboards. Its factory-installed solid links provide a dependable means of isolation while supporting high-current distribution up to 1000 A.
The MULTIVERT® modular system enables quick installation onto standard 185 mm busbars while allowing easy maintenance and future expansion. Secure M12 cable terminations accommodate large conductors, making the unit ideal for demanding industrial power distribution applications.
Typical Applications
- Industrial low-voltage switchboards.
- Main incoming power distribution.
- Commercial electrical installations.
- Motor control centres.
- Infrastructure power systems.
- OEM switchboard manufacturing.
- Process industry distribution panels.
- Utility and energy installations.
Technical Specifications
Tick the specs you need, then view products that match.
| Mounting Type | Busbar | |
|---|---|---|
| Current | 1000 A | |
| Phase | Three Phase | |
| Poles | 3-pole | |
| Device Type | Fuse switch disconnector | |
| Voltage | 690 V | |
| Item number | N1023121 | |
| Catalogue No | 1.712.900 | |
| Description | NH fuse-switch disconnector MULTIVERT® Size 1000A 3x1-Pole switching Screw M12 | |
| EAN/UPC Code | 9008567001301 | |
| Frequency (Hz) | 50 ... 60 Hz | |
| Rated voltage AC IEC | 690 V | |
| Ampere Rating | 1000 A | |
| Utilization Category | AC 21 B @ Ue = AC 400 V; Ie = 1000 A AC 20 B @ Ue = AC 690 V; Ie = 1000 A | |
| Switchability | 3x1-pole switching | |
| RoHS Compliant | Yes | |
| AC or DC | AC | |
| Design Details | with ready fitted NHsolid links 1000 A | |
| Number of Poles | 3-Pole | |
| Degree of Pollution | 3 | |
| Rated Impulse Withstand Voltage | 8 kV | |
| Rated Insulation Voltage | 1000 V | |
| Max Power dissipation of Solid Links Pn | 12 W | |
| Rated short circuit making capacity with solid links Icm | 15 kA | |
| Installation Mounting | Bus Bar Installation | |
| Product Width | 98 mm | |
| Product Length | 190 mm | |
| Product Height | 685 mm | |
| Sell Pack Quantity | 1 EA | |
| Sell Pack Weight | 11.5 kg | |
| Sell Pack Width | 230 mm | |
| Sell Pack Length | 781 mm | |
| Sell Pack Height | 125 mm | |
| Product group | IEC Fuse Switch Disconnectors | |
| Product Weight | 11.5 kg | |
| Conventional Free Air thermal Current - Solid Links | 1000 A | |
| HS Code | 85365080 | |
| Country of Manufacture | Hungary |
Frequently Asked Questions
What is the Mersen N1023121 used for?
The N1023121 is a 1000 A MULTIVERT® main incomer fuse-switch disconnector used to isolate and distribute incoming power within industrial low-voltage switchboards.
Does the N1023121 include fuse-links?
No. This version is supplied with factory-fitted 1000 A NH solid links rather than fuse-links.
What is the current rating?
The unit has a rated operational current of 1000 A.
Which busbar system is it designed for?
The N1023121 is designed for direct installation onto a standard 185 mm busbar system.
What type of cable termination does it use?
The unit features secure M12 multiple screw cable terminations for high-current conductor connections.
Trusted High-Current Main Incomer Solution
Mersen MULTIVERT® main incomer fuse-switch disconnectors are trusted by switchboard manufacturers, electrical contractors and industrial engineers to provide dependable isolation, high-current performance and efficient installation in critical low-voltage power distribution systems.
