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MERSEN FUSE MV1 250A/185mm 3P3 1.160.000 1.160.000
NH fuse-switch disconnector MULTIVERT® Size 1 250A offers robust 3-pole switching within 185mm bus bar systems, ideal for demanding industrial power distribution applications.
£218.35
Why Choose the Mersen S1023171 MULTIVERT® NH Fuse Switch Disconnector?
The Mersen S1023171 is a premium MULTIVERT® NH Size 1 vertical fuse switch disconnector engineered for safe switching, isolation and circuit protection in industrial low-voltage power distribution systems. Designed for direct installation onto 185 mm busbar systems, it combines robust construction with a modular design that enables rapid installation and straightforward maintenance.
Rated at 250 A and 690 V AC, the S1023171 is suitable for use with NH Size 1 fuse-links manufactured in accordance with IEC/EN 60269-2 and VDE 0636-2. This version features 1 × 3-pole simultaneous switching with M10 screw insert nuts, providing secure cable termination for demanding industrial applications.
As part of the proven MULTIVERT® range, the S1023171 offers dependable on-load switching, safe isolation and fuse protection in one compact assembly, making it ideal for switchboards, transformer substations, feeder pillars and industrial distribution panels.
Key Advantages
- High-quality NH Size 1 fuse switch disconnector.
- 250 A rated current for industrial power distribution.
- 690 V AC operating voltage.
- Designed for 185 mm busbar systems.
- 1 × 3-pole simultaneous switching for safe operation.
- Secure M10 screw insert nut terminals.
- Modular MULTIVERT® construction simplifies installation and servicing.
Key Features
- Mersen MULTIVERT® 250 A series.
- Model: S1023171.
- Catalogue number: 1.160.000.
- NH Size 1 fuse switch disconnector.
- 250 A rated current.
- 690 V AC rated voltage.
- 1 × 3-pole switching arrangement.
- Compatible with 185 mm busbar systems.
- 3 × M10 screw insert nuts.
- Suitable for 50 / 60 Hz operation.
- 120 kA SCCR.
- 16 kA rated short-circuit making capacity (Icm).
Reliable Switching and Protection for Industrial Distribution
The Mersen S1023171 combines load switching, circuit isolation and fuse protection within a single compact assembly. Designed for NH Size 1 fuse-links, it provides dependable protection against overloads and short circuits while enabling safe disconnection for maintenance and servicing.
Its direct busbar mounting arrangement reduces installation time and creates an organised switchboard layout. The modular MULTIVERT® design also allows easy replacement or expansion using compatible accessories, making it an excellent solution for modern industrial power distribution systems.
Typical Applications
- Industrial low-voltage switchboards.
- Transformer substations.
- Feeder pillars.
- Power distribution panels.
- Cable distribution cabinets.
- OEM electrical equipment.
Technical Specifications
Tick the specs you need, then view products that match.
| Mounting Type | Busbar system 185 mm | |
|---|---|---|
| Current | 250 A | |
| Phase | Three Phase | |
| Poles | 3-pole | |
| Device Type | Fuse switch disconnector | |
| Voltage | 690 V | |
| Item number | S1023171 | |
| Catalogue No | 1.160.000 | |
| Description | NH fuse-switch disconnector MULTIVERT® Size 1 250A 1x3-Pole switching Bus bar system 185mm Screw insert nuts M10 | |
| EAN/UPC Code | 9008567000083 | |
| Frequency (Hz) | 50 ... 60 Hz | |
| Rated voltage AC IEC | 690 V | |
| Ampere Rating | 250 A | |
| Utilization Category | AC 23 B @ Ue = AC 400 V; Ie = 250 A AC 23 B @ Ue = AC 500 V; Ie = 250 A AC 22 B @ Ue = AC 690 V; Ie = 250 A | |
| Switchability | 1x3-pole switching | |
| RoHS Compliant | Yes | |
| AC or DC | AC | |
| Short Circuit Current Rating (SCCR) | 120kA@Ue = AC 400 V; Ie = 250 A / 120kA@Ue = AC 500 V; Ie = 250 A / 120kA@Ue = AC 690 V; Ie = 250 A | |
| Fuse Size | 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 | 23 W | |
| Max Power dissipation of Solid Links Pn | 2.6 W | |
| Power Dissipation by Ith without Fuse-Links | 35 W | |
| Power Dissipation by Ith without Solid Links | 90 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 | 4.63 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 | 250 A | |
| Product Weight | 4.63 kg | |
| Conventional Free Air thermal Current - Solid Links | 400 A | |
| HS Code | 85365080 | |
| Country of Manufacture | Hungary |
Frequently Asked Questions
What is the Mersen S1023171 used for?
It is an NH Size 1 fuse switch disconnector used for switching, isolation and fused protection of industrial low-voltage power distribution circuits.
What is the current rating?
The Mersen S1023171 has a rated operating current of 250 A.
Which busbar system does it fit?
The unit is designed for direct installation onto a 185 mm busbar system.
What type of cable connection does it use?
The S1023171 is fitted with three M10 screw insert nuts for secure cable termination.
Which fuse-links are compatible?
The switch disconnector is designed for NH Size 1 fuse-links manufactured in accordance with IEC/EN 60269-2.
Trusted for Industrial Power Distribution
Mersen MULTIVERT® fuse switch disconnectors are trusted by panel builders, OEM manufacturers and industrial electrical engineers for dependable switching, reliable circuit protection and efficient integration into modern busbar distribution systems.
