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MERSEN FUSE MV3 630A/185mm 3P1 1.320.000 1.320.000
NH fuse-switch disconnector MULTIVERT® Size 3 is engineered for safe and efficient high-current protection in bus bar systems, accommodating up to 630A with 3×1-pole switching.
£252.07
Why Choose the Mersen X1023221 MULTIVERT® Fuse Switch Disconnector?
The Mersen X1023221 is a heavy-duty NH vertical fuse switch disconnector from the proven MULTIVERT® 630 A series, designed for safe switching, dependable isolation and effective circuit protection in demanding low voltage power distribution systems. It is engineered for direct installation onto 185 mm busbar systems, making it ideal for industrial switchboards, motor control centres and commercial electrical distribution equipment.
Designed for demanding industrial environments, the X1023221 features a 3 × 1-pole switching configuration, allowing each phase to be switched independently. The unit is fitted with V-terminals for V-terminal clamps (sizes 1, 2 and 3), providing secure, high-current cable connections while simplifying installation and maintenance.
Rated at 630 A with a 690 V AC IEC operating voltage, the X1023221 is designed for NH Size 3 fuse-links in accordance with IEC/EN 60269-2. Its modular construction, high short-circuit ratings and compact installation depth make it a dependable solution for modern industrial power distribution systems.
Key Advantages
- Heavy-duty NH fuse switch disconnector for industrial power distribution.
- 630 A rated current for high-load electrical applications.
- 690 V AC IEC rated voltage.
- Designed for NH Size 3 fuse-links.
- Direct installation onto 185 mm busbar systems.
- 3 × 1-pole switching for independent phase operation.
- V-terminal cable connections for compatible V-terminal clamps.
- Compact MULTIVERT® modular construction simplifies installation and servicing.
Key Features
- Mersen MULTIVERT® 630 A series.
- 630 A conventional thermal current.
- 690 V AC IEC rated voltage.
- NH Size 3 fuse compatibility.
- 3 × 1-pole switching configuration.
- V-terminal cable connections.
- Designed for 185 mm busbar systems.
- Suitable for 50 / 60 Hz operation.
- High short-circuit withstand capability.
- RoHS compliant.
Reliable Protection for Industrial Power Distribution
The Mersen X1023221 combines safe load switching with dependable circuit isolation and overcurrent protection when used with compatible NH fuse-links. Its MULTIVERT® modular construction enables fast installation while delivering reliable long-term performance in demanding industrial electrical systems.
Designed specifically for 185 mm busbar systems, the unit supports efficient switchboard construction while providing high-current switching capability and straightforward maintenance throughout its service life.
Typical Applications
- Industrial switchboards.
- Motor control centres.
- Low voltage power distribution panels.
- Cable distribution cabinets.
- OEM electrical equipment.
- Commercial and industrial infrastructure.
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 | X1023221 | |
| Catalogue No | 1.320.000 | |
| Description | NH fuse-switch disconnector MULTIVERT® Size 3 630A 3x1-Pole switching Bus bar system 185mm V-terminal | |
| EAN/UPC Code | 9008567000281 | |
| 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 | 3x1-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 | 5.21 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 | 5.21 kg | |
| Conventional Free Air thermal Current - Solid Links | 800 A | |
| HS Code | 85365080 | |
| Country of Manufacture | Hungary |
Frequently Asked Questions
What is the Mersen X1023221 used for?
The X1023221 is an NH fuse switch disconnector used for switching, isolation and circuit protection in industrial low voltage power distribution systems.
Which fuse size is compatible with this unit?
The unit is designed for NH Size 3 fuse-links.
What current and voltage ratings does it support?
The X1023221 has a 630 A rated current and operates on systems up to 690 V AC.
What type of cable termination does it use?
The unit is fitted with V-terminals for compatible V-terminal clamps (sizes 1, 2 and 3).
Which busbar system is required?
The fuse switch disconnector is designed for installation onto a 185 mm busbar system.
Trusted for Industrial Electrical Distribution
Mersen MULTIVERT® fuse switch disconnectors are trusted worldwide by panel builders, OEMs and electrical engineers for delivering dependable protection, safe switching and long-term reliability in demanding low voltage power distribution systems.
