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MERSEN FUSE MV2 400A/185mm 3P3 1.270.600 1.270.600
Reliable and robust NH fuse-switch disconnector with 400A rating, 1×3-pole switching, compatible with 185mm bus bar systems and featuring a V-terminal V-clamp.
£201.72
Why Choose the Mersen K1023210 MULTIVERT® NH Fuse Switch Disconnector?
The Mersen K1023210 is a robust MULTIVERT® NH Size 2 vertical fuse switch disconnector designed for industrial low-voltage power distribution. Rated at 400 A and 690 V AC, it is engineered for installation on 185 mm busbar systems and features a 1 × 3-pole switching arrangement with V-terminal and V-clamp cable connection technology for secure conductor termination.
Manufactured in accordance with IEC/EN 60947-3, the K1023210 provides reliable switching, visible isolation and NH fuse protection within a compact modular assembly. It is designed for NH Size 2 fuse links rated up to 400 A in accordance with IEC/EN 60269-2 and VDE 0636-2, making it suitable for demanding industrial, commercial and utility applications.
The MULTIVERT® modular platform enables rapid installation, straightforward maintenance and excellent operator protection. Its compact installation depth of approximately 123 mm helps maximise switchboard space while maintaining dependable performance in feeder pillars, transformer substations, industrial switchboards and OEM electrical equipment.
Key Advantages
- Rated at 400 A for demanding industrial distribution systems.
- Suitable for operation up to 690 V AC.
- Designed for 185 mm busbar systems.
- Accepts standard NH Size 2 fuse links.
- Secure V-terminal and V-clamp cable connection.
- Compact modular design conserves panel space.
- High short-circuit withstand capability.
- Safe switching and visible isolation in accordance with IEC standards.
- Simple installation and maintenance using the MULTIVERT® modular system.
Key Features
- Manufacturer: Mersen
- Item number: K1023210
- Catalogue number: 1.270.600
- Series: MULTIVERT® 400A
- Fuse size: NH Size 2
- Rated current: 400 A
- Rated operational voltage: 690 V AC
- Switching arrangement: 1 × 3-pole
- Busbar spacing: 185 mm
- Cable termination: V-terminal with V-clamp
- Suitable for 50–60 Hz systems.
- Vertical mounting for direct busbar installation.
Reliable Protection for High-Current Distribution Systems
The Mersen K1023210 combines switching, isolation and NH fuse protection within a compact vertical assembly. Designed specifically for 185 mm busbar systems, it enables straightforward installation while providing dependable electrical performance for industrial and commercial low-voltage distribution equipment.
Its modular MULTIVERT® design supports the addition of compatible accessories and optional current transformer solutions where required, making it suitable for modern switchboard designs requiring flexibility, safety and ease of maintenance.
Typical Applications
- Industrial switchboards.
- Power distribution panels.
- Transformer substations.
- Feeder pillars.
- Cable distribution cabinets.
- OEM electrical equipment.
- Commercial and industrial low-voltage distribution systems.
Technical Specifications
Tick the specs you need, then view products that match.
| 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 | K1023210 | |
| Catalogue No | 1.270.600 | |
| Description | NH fuse-switch disconnector MULTIVERT® Size 2 400A 1x3-Pole switching Bus bar system 185mm V-terminal V-clamp | |
| EAN/UPC Code | 9008567003787 | |
| 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 | 4.7 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 | |
| HS Code | 85365080 | |
| Country of Manufacture | Hungary |
Frequently Asked Questions
What is the Mersen K1023210?
The K1023210 is a MULTIVERT® NH Size 2 vertical fuse switch disconnector rated at 400 A and 690 V AC for installation on 185 mm busbar systems.
Which fuse links are compatible?
The unit is designed for NH Size 2 fuse links manufactured in accordance with IEC/EN 60269-2 and VDE 0636-2.
What type of cable connection does it use?
The K1023210 is equipped with a V-terminal and V-clamp connection system for secure cable termination.
What is the short-circuit current rating?
The fuse switch disconnector offers a short-circuit current rating of up to 120 kA under the manufacturer's specified operating conditions.
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, visible isolation and reliable circuit protection in demanding low-voltage power distribution systems.
