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Robust 3-pole fuse-switch disconnector designed for 185mm bus bar systems with V-terminal and V-clamp for reliable connections, rated up to 630A AC.
£313.61
The Mersen E1023251 is a robust MULTIVERT® NH fuse switch disconnector engineered for safe switching, isolation and circuit protection in demanding industrial low voltage power distribution systems. Designed for installation on 185 mm busbar systems, this Size 3, 630 A, three-pole fuse switch disconnector delivers dependable performance for switchboards, motor control centres and heavy-duty industrial electrical installations.
Part of the proven Mersen MULTIVERT® 630 A series, the E1023251 features V-terminal connections supplied with three V-terminal clamps, enabling secure cable termination and simplified installation. Its modular construction allows rapid assembly while maintaining a high degree of operator safety during installation and maintenance.
Rated at 630 A with a maximum operating voltage of 690 V AC, the E1023251 is compatible with NH Size 3 fuse links manufactured in accordance with IEC/EN 60269-2 standards. Its compact vertical design optimises panel space while providing excellent electrical performance and long-term reliability in industrial power distribution applications.
NH fuse switch disconnectors provide safe manual switching, dependable isolation and effective overcurrent protection for industrial electrical systems. Their rugged construction protects distribution circuits from overloads and short circuits while allowing safe maintenance and long service life.
The Mersen MULTIVERT® range is widely specified by switchboard manufacturers, panel builders and industrial engineers requiring dependable switching devices that combine high electrical performance with flexible installation options.
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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 | E1023251 | |
| Catalogue No | 1.370.600 | |
| Description | NH fuse-switch disconnector MULTIVERT® Size 3 630A 1x3-Pole switching Bus bar system 185mm V-terminal V-clamp | |
| EAN/UPC Code | 4027597039813 | |
| 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 | 5.63 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 | 5.63 kg | |
| Conventional Free Air thermal Current - Solid Links | 800 A | |
| HS Code | 85365080 | |
| Country of Manufacture | Hungary |
The E1023251 is an NH fuse switch disconnector designed for switching, isolation and overcurrent protection in industrial low voltage electrical distribution systems.
The unit is designed for NH Size 3 fuse links rated up to 630 A.
This model is supplied with V-terminal connections and three V-terminal clamps for secure cable termination.
It is rated for operation at up to 690 V AC on 50/60 Hz electrical systems.
It is widely used in industrial switchboards, power distribution systems, motor control centres and OEM electrical installations using 185 mm busbar systems.
Mersen MULTIVERT® fuse switch disconnectors are trusted worldwide by electrical engineers and panel builders for delivering reliable switching, dependable circuit protection and long-term performance in demanding industrial environments.
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