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MERSEN FUSE MV1 250A/185mm 3P3 1.170.600 1.170.600
Reliable and efficient NH fuse-switch disconnector MULTIVERT® Size 1 rated for 250A with 1×3-pole switching on 185mm bus bar system featuring V-terminal V-clamp connections.
£236.96
Why Choose the Mersen K1023187 MULTIVERT® NH Fuse Switch Disconnector?
The Mersen K1023187 is a high-performance MULTIVERT® NH Size 1 vertical fuse switch disconnector designed for industrial low-voltage power distribution. Rated at 250 A and 690 V AC, it is intended for installation on 185 mm busbar systems and features a 1 × 3-pole switching arrangement with V-terminals supplied complete with three terminal clamps (Sizes 1, 2 and 3).
Manufactured in accordance with IEC/EN 60947-3, the K1023187 combines safe switching, visible isolation and NH fuse protection in a compact modular design. It accommodates NH Size 1 fuse links manufactured to IEC/EN 60269-2 and VDE 0636-2, making it suitable for demanding industrial, commercial and utility installations.
Unlike the standard V-terminal version, this model is supplied with three compatible V-terminal clamps, simplifying installation and reducing the need to source additional connection hardware. The compact vertical construction maximises switchboard space while maintaining excellent accessibility for installation and maintenance.
Key Advantages
- Rated at 250 A for industrial low-voltage distribution.
- Suitable for operation up to 690 V AC.
- Designed for 185 mm busbar systems.
- Accepts standard NH Size 1 fuse links.
- Supplied with three V-terminal clamps for simplified installation.
- Compact vertical design helps conserve switchboard space.
- High short-circuit current rating of up to 120 kA.
- Designed for safe switching and visible isolation.
- Modular construction simplifies servicing and future expansion.
Key Features
- Manufacturer: Mersen
- Item number: K1023187
- Catalogue number: 1.170.600
- Series: MULTIVERT® 250A
- Fuse size: NH Size 1
- Rated current: 250 A
- Rated operational voltage: 690 V AC
- Switching arrangement: 1 × 3-pole switching
- Busbar spacing: 185 mm
- Cable termination: V-terminal with 3 terminal clamps (Sizes 1, 2 and 3)
- Suitable for 50–60 Hz systems.
- Designed for direct busbar installation.
Reliable Switching and Secure Cable Connections
The Mersen K1023187 integrates switching, visible isolation and NH fuse protection into a compact vertical assembly. The supplied V-terminal clamps provide secure cable termination without requiring separate accessories, helping to reduce installation time while maintaining reliable electrical performance.
With a short-circuit current rating of up to 120 kA, the unit is suitable for demanding industrial environments where high fault levels and dependable switching performance are required. The MULTIVERT® modular platform also supports straightforward maintenance and future expansion using compatible Mersen accessories.
Typical Applications
- Industrial switchboards.
- Power distribution panels.
- Transformer substations.
- Feeder pillars.
- Motor control centres.
- OEM electrical equipment.
- Commercial and industrial low-voltage distribution systems.
Technical Specifications
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| 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 | K1023187 | |
| Catalogue No | 1.170.600 | |
| Description | NH fuse-switch disconnector MULTIVERT® Size 1 250A 1x3-Pole switching Bus bar system 185mm V-terminal V-clamp | |
| EAN/UPC Code | 9008567008478 | |
| 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 | 4.6 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 | 250 A | |
| Product Weight | 4.6 kg | |
| Conventional Free Air thermal Current - Solid Links | 400 A | |
| HS Code | 85365080 | |
| Country of Manufacture | Hungary |
Frequently Asked Questions
What is the Mersen K1023187?
The K1023187 is a MULTIVERT® NH Size 1 vertical fuse switch disconnector rated at 250 A and 690 V AC for installation on 185 mm busbar systems.
Which fuse links are compatible?
The unit is designed for NH Size 1 fuse links manufactured in accordance with IEC/EN 60269-2 and VDE 0636-2.
What cable termination is supplied?
The K1023187 includes V-terminals supplied with three compatible terminal clamps for conductor connection.
What is the short-circuit current rating?
The fuse switch disconnector offers a rated short-circuit current rating of up to 120 kA when installed within the manufacturer's specified ratings.
What busbar system is required?
The unit is designed specifically for installation on a 185 mm busbar system.
Trusted by Electrical Professionals Worldwide
Mersen MULTIVERT® fuse switch disconnectors are trusted by utilities, OEM manufacturers and panel builders for dependable switching, circuit isolation and fuse protection in industrial low-voltage power distribution systems.
