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MERSEN FUSE MV1 250A/185mm 3P3 1.150.062 1.150.062
Reliable 3-pole fuse-switch disconnector designed for 185mm bus bar systems with a 250A rating and integrated current transformer for precise measurement.
£407.33
Why Choose the Mersen N1023190 MULTIVERT® NH Fuse-Switch Disconnector?
The Mersen N1023190 is a high-performance MULTIVERT® NH vertical fuse-switch disconnector designed for industrial low-voltage power distribution systems. Also identified by catalogue number 1.150.062, this 250 A unit is designed for NH size 1 fuse-links and features a factory-fitted 250/5 A Class 0.5 calibrated current transformer in pole 1 for highly accurate single-phase current measurement. It is intended for direct installation onto standard 185 mm busbar systems.
The N1023190 incorporates a 1 × three-pole switching arrangement with secure M10 bolt cable terminations, providing dependable switching, isolation and overcurrent protection for industrial electrical installations. The modular MULTIVERT® design enables rapid installation, straightforward maintenance and excellent operator protection during servicing.
Rated for operation up to 690 V AC at 50/60 Hz, this fuse-switch disconnector is ideal for industrial switchboards, motor control centres, machinery distribution and OEM panel building where accurate integrated current measurement is required.
Key Advantages
- 250 A rated current for industrial power distribution.
- Designed for NH size 1 fuse-links.
- Factory-fitted 250/5 A Class 0.5 calibrated current transformer in pole 1.
- Suitable for direct installation onto 185 mm busbar systems.
- 1 × three-pole switching configuration.
- M10 bolt cable terminations provide secure conductor connections.
- Compact MULTIVERT® modular construction.
- Fast installation and simplified maintenance.
Key Features
- Mersen MULTIVERT® Size 1 fuse-switch disconnector.
- 250 A rated operational current.
- 690 V AC rated voltage.
- Designed for NH size 1 fuse-links.
- 185 mm busbar mounting.
- 1 × three-pole switching.
- 3 × M10 bolt cable terminations.
- Integrated 250/5 A Class 0.5 calibrated current transformer for single-pole measurement.
- Rated short-circuit current up to 120 kA (application dependent).
- Suitable for industrial low-voltage distribution systems.
Accurate Protection and Current Measurement
The Mersen N1023190 combines dependable circuit protection with an integrated calibrated current transformer, eliminating the need for separate externally mounted measurement devices in many applications. The factory-installed 250/5 A Class 0.5 CT delivers highly accurate current monitoring while maintaining the compact footprint of the MULTIVERT® system.
Its modular construction enables quick installation on standard 185 mm busbars while providing safe isolation and dependable long-term performance in demanding industrial environments. The integrated calibrated CT makes the unit particularly suitable for energy metering, feeder monitoring and industrial process control.
Typical Applications
- Industrial low-voltage switchboards.
- Motor control centres.
- Machine power distribution.
- OEM panel manufacturing.
- Energy monitoring systems.
- Industrial automation.
- Commercial electrical distribution panels.
- Infrastructure power distribution.
Technical Specifications
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| Mounting Type | Busbar system 185 mm | |
|---|---|---|
| Current | 250 A | |
| Phase | Three Phase | |
| Poles | 3-pole | |
| Device Type | Fuse switch disconnector | |
| Voltage | 690 V | |
| Item number | N1023190 | |
| Catalogue No | 1.150.062 | |
| Description | NH fuse-switch disconnector MULTIVERT® Size 1 250A 1x3-Pole switching Bus bar system 185mm Screw M10 ct1P c. | |
| EAN/UPC Code | 9008567008249 | |
| Frequency (Hz) | 50 ... 60 Hz | |
| Rated voltage AC IEC | 690 V | |
| Ampere Rating | 250 A | |
| Utilization Category | AC 23 B @ Ue = AC 400 V; Ie = 250 A AC 23 B @ Ue = AC 500 V; Ie = 250 A AC 22 B @ Ue = AC 690 V; Ie = 250 A | |
| Switchability | 1x3-pole switching | |
| RoHS Compliant | Yes | |
| AC or DC | AC | |
| Short Circuit Current Rating (SCCR) | 120kA@Ue = AC 400 V; Ie = 250 A / 120kA@Ue = AC 500 V; Ie = 250 A / 120kA@Ue = AC 690 V; Ie = 250 A | |
| Fuse Size | 1 | |
| Design Details | MULTIVERT® 1.150.000 with integrated C.T. 250/5A, 3,75 VA, class 0,5; calibrated, for single pole measurement (ready fitted in pole 1) | |
| 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 | 23 W | |
| Max Power dissipation of Solid Links Pn | 2.6 W | |
| Power Dissipation by Ith without Fuse-Links | 35 W | |
| Power Dissipation by Ith without Solid Links | 90 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 | 4.8 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 | 250 A | |
| Product Weight | 4.8 kg | |
| Conventional Free Air thermal Current - Solid Links | 400 A |
Frequently Asked Questions
What is the Mersen N1023190 used for?
The N1023190 is an NH size 1 vertical fuse-switch disconnector providing switching, isolation and circuit protection, with an integrated calibrated current transformer for accurate single-phase current measurement.
What is the current rating?
The unit has a rated operational current of 250 A.
Does the N1023190 include a current transformer?
Yes. It is supplied with a factory-fitted 250/5 A Class 0.5 calibrated current transformer installed in pole 1 for precise single-phase current measurement.
Which busbar system is it designed for?
The N1023190 is designed for direct installation onto a standard 185 mm busbar system.
What type of cable termination does it use?
The unit features three M10 bolt cable terminations for secure conductor connections.
Trusted Industrial Circuit Protection
Mersen MULTIVERT® fuse-switch disconnectors are trusted by panel builders, electrical contractors and industrial engineers to provide dependable isolation, precision current monitoring and reliable protection within low-voltage power distribution systems.
