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MERSEN FUSE MV3 630A/185mm 3P3 1.370.000 1.370.000
The MULTIVERT® NH fuse-switch disconnector delivers reliable 3-pole switching for high-power applications, supporting currents up to 630A. Designed for integration into 185mm bus bar systems, it ensures safe and efficient load protection within industrial distribution panels.
£284.95
Why Choose the Mersen D1023250 MULTIVERT® Fuse-Switch Disconnector?
The Mersen D1023250 is a heavy-duty MULTIVERT® NH vertical fuse-switch disconnector engineered for safe switching, circuit isolation and overcurrent protection in high-current industrial low-voltage power distribution systems. Identified by catalogue number 1.370.000, this model is designed for NH Size 3 fuse-links, supports currents up to 630 A, and mounts directly onto a 185 mm busbar system.
This version features V-terminal cable connections compatible with Mersen V-terminal clamps for NH Sizes 1, 2 and 3, providing a flexible solution for large conductor terminations. Its compact installation depth of just 123 mm helps maximise available panel space while maintaining excellent accessibility for installation and maintenance.
As part of the proven MULTIVERT® 630A range, the D1023250 combines modular construction with high short-circuit performance, making it ideal for industrial switchboards, motor control centres, OEM machinery and commercial electrical distribution systems.
Key Advantages
- Combines switching, isolation and fuse protection in one compact assembly.
- 630 A rated operational current.
- Suitable for operation up to 690 V AC.
- Designed for NH Size 3 fuse-links.
- Direct installation onto 185 mm busbar systems.
- V-terminal connection for use with Mersen V-terminal clamps.
- Compact 123 mm installation depth saves panel space.
- Modular construction enables fast installation and maintenance.
Key Features
- Mersen MULTIVERT® 630A series.
- NH Size 3 vertical fuse-switch disconnector.
- Rated current: 630 A.
- Rated operational voltage: 690 V AC.
- 1 × 3-pole switching configuration.
- 185 mm busbar mounting.
- V-terminal cable connection for V-terminal clamps (Sizes 1, 2 & 3).
- 50 / 60 Hz operation.
- 1000 V rated insulation voltage.
- Compact installation depth of 123 mm.
- IP20 touch-protected design.
- RoHS compliant.
Built for High-Current Industrial Distribution
The MULTIVERT® 630A range is designed for demanding industrial environments where safe isolation and dependable overcurrent protection are essential. Its modular construction enables rapid installation onto standard 185 mm busbar systems while maintaining high levels of operator safety and long-term mechanical reliability.
The V-terminal connection system offers excellent flexibility for large cable terminations, making the D1023250 particularly suitable for heavy-duty feeders, industrial machinery and main incoming electrical distribution panels.
Typical Applications
- Industrial switchboards.
- Main incoming electrical panels.
- Motor control centres.
- Low-voltage power distribution systems.
- OEM machinery.
- Manufacturing facilities.
- Commercial electrical infrastructure.
- Heavy industrial installations.
Technical Specifications
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| Mounting Type | Busbar system 185 mm | |
|---|---|---|
| Current | 630 A | |
| Phase | Three Phase | |
| Poles | 3-pole | |
| Device Type | Fuse switch disconnector | |
| Voltage | 690 V | |
| Item number | D1023250 | |
| Catalogue No | 1.370.000 | |
| Description | NH fuse-switch disconnector MULTIVERT® Size 3 630A 1x3-Pole switching Bus bar system 185mm V-terminal | |
| EAN/UPC Code | 9008567000359 | |
| Frequency (Hz) | 50 ... 60 Hz | |
| Rated voltage AC IEC | 690 V | |
| Ampere Rating | 630 A | |
| Utilization Category | AC 23 B @ Ue = AC 400 V; Ie = 630 A AC 22 B @ Ue = AC 500 V; Ie = 630 A AC 21 B @ Ue = AC 690 V; Ie = 630 A | |
| Switchability | 1x3-pole switching | |
| RoHS Compliant | Yes | |
| AC or DC | AC | |
| Short Circuit Current Rating (SCCR) | 80kA@Ue = AC 400 V; Ie = 630 A / 80kA@Ue = AC 500 V; Ie = 630 A / 80kA@Ue = AC 690 V; Ie = 500 A | |
| Fuse Size | 3 | |
| Number of Poles | 3-Pole | |
| Degree of Pollution | 3 | |
| Rated Impulse Withstand Voltage | 12 kV | |
| Rated Insulation Voltage | 1000 V | |
| Rated SC Withstand | 12.6 kA / 1 s | |
| Max Power dissipation of Fuse Links Pn | 48 W | |
| Max Power dissipation of Solid Links Pn | 17.5 W | |
| Power Dissipation by Ith without Fuse-Links | 95 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 | 5.39 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 | 630 A | |
| Product Weight | 5.39 kg | |
| Conventional Free Air thermal Current - Solid Links | 800 A | |
| HS Code | 85365080 | |
| Country of Manufacture | Hungary |
Frequently Asked Questions
What is the Mersen D1023250 used for?
The D1023250 provides switching, circuit isolation and NH fuse protection in high-current industrial low-voltage power distribution systems.
Which fuse size does it support?
It is designed for NH Size 3 fuse-links.
What type of cable connection does it use?
The unit features V-terminal connections designed for use with Mersen V-terminal clamps for NH Sizes 1, 2 and 3.
Which busbar system is required?
The fuse-switch disconnector is designed for direct installation onto a 185 mm busbar system.
What is the rated current?
The Mersen D1023250 has a rated operational current of 630 A.
Trusted for High-Current Circuit Protection
Mersen MULTIVERT® fuse-switch disconnectors are trusted worldwide for delivering dependable circuit protection, safe isolation and long-term reliability in industrial power distribution systems.
