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The MULTIVERT® Size 3 NH fuse-switch disconnector offers reliable 630A 3×1-pole switching for demanding industrial and power distribution applications. Designed for 185mm bus bar systems, it ensures safe, fast and efficient circuit protection and isolation.
£1,027.07
The Mersen Z1023246, catalogue number 1.300.076, is a heavy-duty NH vertical fuse switch disconnector designed for safe switching, isolation and overcurrent protection in industrial low-voltage power distribution systems. As part of the Mersen MULTIVERT® 630 A and i-Xtensio 630 A series, it is engineered for installation on standard 185 mm busbar systems and provides reliable performance in demanding high-current applications.
Designed for NH3 fuse links, the Z1023246 features a 3 × 1-pole switching configuration with M12 bolt cable terminations. This model incorporates a factory-calibrated 600/5 A current transformer with Class 0.5 accuracy for triple-pole current measurement, making it ideal for installations requiring integrated metering and monitoring.
With a rated current of 630 A, a rated operating voltage of 690 V AC and compliance with IEC switchgear standards, the Mersen Z1023246 is well suited to industrial switchboards, feeder pillars, power distribution cabinets and infrastructure projects where dependable switching, protection and current measurement are essential.
Fuse switch disconnectors provide safe manual switching, circuit isolation and overcurrent protection for industrial electrical systems. Used with compatible NH fuse links, they help protect cables and equipment from overloads and short circuits while allowing maintenance to be carried out safely.
The Mersen Z1023246 combines proven MULTIVERT® switching technology with a factory-calibrated triple-phase current transformer, reducing installation complexity while providing accurate current measurement for energy management, monitoring and protection systems.
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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 | Z1023246 | |
| Catalogue No | 1.300.076 | |
| Description | NH fuse-switch disconnector MULTIVERT® Size 3 630A 3x1-Pole switching Bus bar system 185mm Screw M12 ct3P c. | |
| EAN/UPC Code | 9008567008324 | |
| 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 | |
| Design Details | MULTIVERT® 1.300.000 with integrated C.T. 600/5A, 5,00 VA, class 0,5; calibrated, for triple pole measurement | |
| 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 | 5.6 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 | 5.6 kg | |
| Conventional Free Air thermal Current - Solid Links | 800 A | |
| HS Code | 85365080 | |
| Country of Manufacture | Hungary |
The Mersen Z1023246 is used to switch, isolate and protect high-current electrical circuits while providing integrated three-phase current measurement.
The unit is designed for NH3 fuse links with a rated current of up to 630 A.
Yes. It incorporates a factory-calibrated 600/5 A, 5 VA, Class 0.5 current transformer for triple-pole current measurement.
The Mersen Z1023246 is designed for installation on a standard 185 mm busbar system.
The unit operates at up to 690 V AC and complies with major IEC standards for low-voltage switchgear.
Mersen MULTIVERT® fuse switch disconnectors are trusted by electrical engineers and panel builders to deliver reliable switching, integrated current monitoring and dependable protection in industrial low-voltage distribution systems.