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Reliable NH fuse-switch disconnector for industrial low-voltage installations with 3×1-pole switching and compatibility with 185mm bus bar systems.
£225.21
The Mersen A1023201 is a heavy-duty MULTIVERT® NH fuse switch disconnector engineered for safe switching, isolation and overcurrent protection in demanding industrial low-voltage power distribution systems. Manufactured under catalogue number 1.220.000, this three-pole unit is designed for NH Size 2 fuse links with a rated current of 400 A and a maximum operating voltage of 690 V AC.
As part of the proven MULTIVERT® 400 A series, the A1023201 is designed for direct installation onto 185 mm busbar systems. It features V-terminal cable connections compatible with Size 1, Size 2 and Size 3 V-terminal clamps, providing secure, reliable electrical terminations while simplifying installation and maintenance.
Its modular construction allows straightforward integration into industrial switchboards, motor control centres and electrical distribution panels. The compact installation depth and robust design help maximise panel space while delivering dependable performance in demanding industrial environments.
NH fuse switch disconnectors combine manual isolation with dependable overcurrent protection, making them essential components in industrial electrical distribution systems. Their robust design enables safe switching under load while allowing rapid fuse replacement and simplified maintenance.
The Mersen A1023201 is specifically designed for 185 mm busbar systems and forms part of the flexible MULTIVERT® modular platform. Its V-terminal cable connections and compact construction make it ideal for modern switchboards, OEM equipment and industrial power distribution installations.
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| 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 | A1023201 | |
| Catalogue No | 1.220.000 | |
| Description | NH fuse-switch disconnector MULTIVERT® Size 2 400A 3x1-Pole switching Bus bar system 185mm V-terminal | |
| EAN/UPC Code | 9008567000144 | |
| 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 | 3x1-pole switching | |
| 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 | 4.38 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 | 4.38 kg | |
| Conventional Free Air thermal Current - Solid Links | 630 A | |
| HS Code | 85365080 | |
| Country of Manufacture | Hungary |
The A1023201 is a three-pole 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 2 fuse links.
The Mersen A1023201 has a 400 A continuous current rating.
This MULTIVERT® fuse switch disconnector is designed for installation on a 185 mm busbar system.
The unit features V-terminal cable connections compatible with Size 1, Size 2 and Size 3 V-terminal clamps.
Mersen MULTIVERT® NH fuse switch disconnectors are trusted by electrical engineers and panel builders worldwide to provide dependable switching, safe isolation and reliable circuit protection for industrial power distribution systems.
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