Standard delivery
£8 ex VAT · free over £200UK parcel delivery is £8 ex VAT, or free on orders over £200 ex VAT.
Heavier items may be charged at a weight-based or pallet rate, shown at checkout.
Robust NH fuse-switch disconnector from the MULTIVERT® series ensuring safe and reliable switching and disconnection for high-current industrial applications with a maximum rated current of 1260A across three poles.
£864.62
The Mersen W1023128, catalogue number 1.550.004, is a genuine MULTIVERT® NH double vertical fuse switch disconnector designed for demanding low-voltage power distribution applications. Rated at 1260 A, it is engineered for NH Size 3 fuse-links and features 1×3-pole switching with quadruple M12 cable termination, making it ideal for high-current industrial installations.
Designed for installation on 185 mm busbar systems, the W1023128 forms part of the proven MULTIVERT® range, providing safe load switching, isolation and overcurrent protection. Its modular construction enables fast installation while offering excellent accessibility for maintenance and future expansion.
The robust design supports heavy-duty transformer substations, industrial switchboards and commercial distribution systems where dependable operation and long service life are essential. Multiple M12 cable termination points provide flexibility when connecting large conductors or parallel cables.
The Mersen W1023128 has been developed for high-current applications where reliable switching, isolation and fuse protection are critical. Its modular MULTIVERT® design enables straightforward installation on standard 185 mm busbar systems while maintaining excellent operator safety during installation and servicing.
Quadruple M12 cable termination provides additional flexibility for parallel conductors, making the unit suitable for transformer substations, industrial manufacturing facilities and major commercial electrical installations where high-current distribution is required.
Tick the specs you need, then view products that match.
| Mounting Type | Busbar | |
|---|---|---|
| Current | 400 A | |
| Phase | Three Phase | |
| Poles | 3-pole | |
| Device Type | Fuse switch disconnector | |
| Voltage | 500 V | |
| Item number | W1023128 | |
| Catalogue No | 1.550.004 | |
| Description | NH fuse-switch disconnector MULTIVERT® Size 3 1260A 1x3-Pole switching Screw M12 x4 | |
| EAN/UPC Code | 9008567006931 | |
| Frequency (Hz) | 50 ... 60 Hz | |
| Rated voltage AC IEC | 500 V | |
| Ampere Rating | 1260 A | |
| Switchability | 1x3-pole switching | |
| RoHS Compliant | Yes | |
| AC or DC | AC | |
| Short Circuit Current Rating (SCCR) | 18kA@Ue=AC500V;Ie=2 x 400A/28kA@Ue=AC500V;Ie=2 x 630A | |
| Fuse Size | 3 | |
| Number of Poles | 2 x 3-Pole | |
| Degree of Pollution | 3 | |
| Rated Impulse Withstand Voltage | 8 kV | |
| Rated Insulation Voltage | 1000 V | |
| Max Power dissipation of Fuse Links Pn | 43 W | |
| Installation Mounting | Bus Bar Installation | |
| Product Width | 200 mm | |
| Product Length | 264 mm | |
| Product Height | 824 mm | |
| Sell Pack Quantity | 1 EA | |
| Sell Pack Weight | 13.8 kg | |
| Sell Pack Width | 210 mm | |
| Sell Pack Length | 755 mm | |
| Sell Pack Height | 202 mm | |
| Product group | IEC Fuse Switch Disconnectors | |
| Conventional Free Air thermal Current With Fuse-Links Ith | 1260 A | |
| Product Weight | 13.8 kg | |
| HS Code | 85365080 | |
| Country of Manufacture | Hungary |
It is a MULTIVERT® NH double vertical fuse switch disconnector used for switching, isolation and overcurrent protection in high-current low-voltage power distribution systems.
The W1023128 has a conventional thermal current rating of 1260 A.
The switch disconnector is designed for NH Size 3 fuse-links in accordance with IEC/EN 60269-2.
It features quadruple M12 cable termination, allowing multiple cable connections per pole.
The W1023128 is designed for installation on standard 185 mm busbar systems.
Mersen MULTIVERT® fuse switch disconnectors are trusted by switchboard manufacturers, utilities and industrial engineers for dependable switching performance, safe isolation and reliable long-term protection in demanding electrical distribution systems.
We use cookies
We use essential cookies to run this site, your basket and checkout. With your permission we'd also like to use analytics and advertising cookies to understand how the site is used and to measure our adverts.