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MERSEN FUSE MV3 630A/185mm 3P3 1.370.100 1.370.100
NH fuse-switch disconnector MULTIVERT® Size 3 630A 1×3-Pole switching Bus bar system 185mm V-terminal FM ready, designed for robust performance in demanding bus bar applications with safe and reliable circuit protection up to 630A.
£464.13
Why Choose the Mersen G1023253 NH Fuse Switch Disconnector?
The Mersen G1023253 is a heavy-duty NH fuse switch disconnector from the advanced MULTIVERT® 630A series, engineered for safe switching, isolation and circuit protection within industrial low-voltage power distribution systems. Designed for demanding electrical installations, it delivers dependable performance while accommodating NH Size 3 fuse links.
Designed for direct installation onto 185 mm busbar systems, the G1023253 features a modular design that enables quick installation, straightforward maintenance and enhanced operator safety. Its compact standard design requires an installation depth of approximately 123 mm, helping maximise valuable cabinet space whilst maintaining excellent accessibility.
With a 630 A current rating, 690 V AC operating voltage and 1 × 3-pole switching configuration, the G1023253 is ideal for industrial switchboards, motor control centres, OEM equipment and commercial power distribution applications requiring reliable high-current switching and protection.
Key Advantages
- Industrial NH fuse switch disconnector for high-current power distribution.
- 630 A current rating for demanding applications.
- 690 V AC operating voltage.
- Designed for NH Size 3 fuse links.
- Direct mounting onto 185 mm busbar systems.
- Compact modular construction simplifies installation and servicing.
- Provides safe isolation and dependable circuit protection.
- FM-ready design with instrument lead cabling for indication facilities.
Key Features
- Mersen MULTIVERT® 630A series.
- 630 A rated current.
- 690 V AC rated operating voltage.
- 50 / 60 Hz operation.
- NH Size 3 fuse compatibility.
- 1 × 3-pole switching configuration.
- 185 mm busbar mounting.
- V-terminal connections.
- Rated insulation voltage of 1,000 V.
- Rated impulse withstand voltage of 12 kV.
- Short-circuit current rating up to 80 kA.
- FM-ready design for indication facilities.
Reliable Protection for Industrial Power Distribution
The Mersen G1023253 combines safe switching, electrical isolation and overcurrent protection within a single robust device. When fitted with the correct NH Size 3 fuse links, it protects electrical equipment and distribution circuits from overloads and short circuits whilst allowing safe maintenance procedures.
The MULTIVERT® modular system is widely used by switchboard manufacturers and industrial panel builders thanks to its compact dimensions, simple installation and dependable long-term performance in demanding power distribution environments.
Typical Applications
- Industrial low-voltage switchboards.
- Main electrical distribution panels.
- Motor control centres.
- Commercial power distribution systems.
- OEM electrical equipment.
- Manufacturing and processing plants.
- Infrastructure and utility installations.
- Renewable energy distribution systems.
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 | G1023253 | |
| Catalogue No | 1.370.100 | |
| Description | NH fuse-switch disconnector MULTIVERT® Size 3 630A 1x3-Pole switching Bus bar system 185mm V-terminal FM ready | |
| EAN/UPC Code | 9008567000366 | |
| 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 | |
| Design Details | MULTIVERT® 1.370.000 with cabling of instrument leads for indication facilities | |
| 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 | 5.9 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 | 5.9 kg | |
| Conventional Free Air thermal Current - Solid Links | 800 A | |
| HS Code | 85365080 | |
| Country of Manufacture | Hungary |
Frequently Asked Questions
What is the Mersen G1023253 used for?
The G1023253 provides switching, isolation and circuit protection for industrial low-voltage power distribution systems.
Which fuse size does the G1023253 accept?
It is designed to accommodate NH Size 3 fuse links.
What is the rated current?
The Mersen G1023253 has a rated current of 630 A.
What operating voltage is supported?
The unit is rated for operation at up to 690 V AC.
How is the G1023253 installed?
It is designed for direct mounting onto a 185 mm busbar system using V-terminal connections.
Trusted for Industrial Circuit Protection
Mersen MULTIVERT® fuse switch disconnectors are trusted by electrical engineers, OEM manufacturers and panel builders worldwide to provide reliable switching, safe isolation and dependable protection for high-current industrial power distribution systems.
