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MERSEN FUSE MB1 250A 4P 1.000.405 1.000.405
Engineered for reliable performance in challenging industrial environments, this NH fuse-switch disconnector supports up to 250A with a robust 4-pole switching design, bottom fitting, and panel connection with M10 screw terminals.
£180.73
Why Choose the NH Fuse-Switch Disconnector MULTIBLOC® Size 1 250A 4-Pole?
Engineered for reliable performance in challenging industrial environments, the NH fuse-switch disconnector MULTIBLOC® Size 1 supports up to 250A and features a robust 4-pole switching design for enhanced safety and operational flexibility. Bottom fitting and panel connection with M10 screw terminals provide secure, vibration-resistant installation, ensuring consistent connectivity in demanding applications.
Its compact construction and high-quality materials guarantee long service life and minimal maintenance, making it ideal for energy distribution panels and switchgear assemblies where dependable protection and quick isolation are essential.
Product Code: Y1023061
Key Benefits
- Reliable 4-pole switching for enhanced safety and operational flexibility
- Supports up to 250A with high short circuit current rating for robust protection
- Bottom fitting with M10 screw terminals ensures secure and vibration-resistant installation
- Compact design suitable for energy distribution panels and switchgear assemblies
- Low maintenance with durable construction for long service life
Compatibility
This NH fuse-switch disconnector is compatible with IEC fuse size 1 and designed for use in panels and switchgear assemblies requiring 4-pole switching and bottom fitting connections. It supports AC systems with rated voltages up to 690 V and is suitable for integration with standard industrial electrical components adhering to IEC standards.
Applications
- Industrial energy distribution panels
- Switchgear assemblies and control panels
- Protection and isolation in electrical installations
- Manufacturing and processing plants
- Commercial and infrastructure electrical systems
Technical Specifications
Tick the specs you need, then view products that match.
| Mounting Type | Base / panel | |
|---|---|---|
| Current | 250 A | |
| Phase | Three Phase | |
| Poles | 4-pole | |
| Device Type | Fuse switch disconnector | |
| Voltage | 690 V | |
| Item number | Y1023061 | |
| Catalogue No | 1.000.405 | |
| Description | NH fuse-switch disconnector MULTIBLOC® Size 1 250A 4-Pole switching Bottom Fitting/panel Connection Screw M10 | |
| EAN/UPC Code | 4027597026813 | |
| 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 22 B @ Ue = AC 500 V; Ie = 250 A AC 21 B @ Ue = AC 690 V; Ie = 200 A | |
| Switchability | 4-pole switching | |
| AC or DC | AC | |
| Short Circuit Current Rating (SCCR) | 80kA@Ue=AC 400 V;Ie=250 A / 80kA@Ue=AC 500 V;Ie=250 A / 80kA (1-,2-pole)@Ue=AC 690 V;Ie=200 A / 50kA (3-,4-pole)@Ue=AC 690 V;Ie=200 A | |
| Fuse Size | 1 | |
| Number of Poles | 4-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 | 13 W | |
| Power Dissipation by Ith without Solid Links | 33 W | |
| Rated short circuit making capacity with solid links Icm | 8.2 kA | |
| Installation Mounting | Bottom Fitting/panel | |
| Product Width | 256 mm | |
| Product Length | 110.5 mm | |
| Product Height | 246 mm | |
| Sell Pack Quantity | 1 EA | |
| Sell Pack Weight | 3.4 kg | |
| Sell Pack Width | 250 mm | |
| Sell Pack Length | 260 mm | |
| Sell Pack Height | 125 mm | |
| Product group | IEC Fuse Switch Disconnectors | |
| Conventional Free Air thermal Current With Fuse-Links Ith | 250 A | |
| Product Weight | 3.4 kg | |
| Conventional Free Air thermal Current - Solid Links | 400 A | |
| HS Code | 85365080 | |
| Country of Manufacture | Hungary |
Frequently Asked Questions
What is the maximum current rating of this fuse-switch disconnector?
The maximum ampere rating is 250 A, suitable for demanding industrial applications.
Can this product be used in DC applications?
No, this fuse-switch disconnector is designed for AC applications only.
What type of mounting does this product support?
It supports bottom fitting and panel mounting with M10 screw terminals for secure installation.
What is the short circuit current rating (SCCR) of this device?
The SCCR is 80kA at AC 400 V and AC 500 V for 1- and 2-pole, and 50kA at AC 690 V for 3- and 4-pole configurations.
Common Search Terms
NH fuse-switch disconnector, MULTIBLOC Size 1, 250A fuse switch, 4-pole disconnector, IEC fuse switch, bottom fitting fuse switch, panel connection fuse switch, industrial fuse disconnector, M10 screw terminal fuse switch
