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MERSEN FUSE MB1 250A 3P 1.000.936 1.000.936
The NH fuse-switch disconnector MULTIBLOC® Size 1 provides robust and reliable 3-pole switching for main incomer applications, supporting up to 250A on a 40mm bus bar system. Features secure M10 screw connections and is suitable for AC/DC applications.
£393.80
Why Choose the NH Fuse-Switch Disconnector MULTIBLOC® Size 1 250A?
The NH fuse-switch disconnector MULTIBLOC® Size 1 provides robust and reliable 3-pole switching for main incomer applications, supporting up to 250A on a 40mm bus bar system. Built for demanding industrial environments, it features secure M10 screw connections for dependable power distribution.
Designed for easy integration and maintenance, this unit guarantees safe isolation and consistent performance, meeting stringent safety standards for bus bar configurations. Its proven durability and efficient installation make it an ideal solution for critical power control.
Product Code: P1023053
Key Benefits
- Reliable 3-pole switching for secure power isolation
- Supports up to 250A on a 40mm bus bar system
- Robust M10 screw connections ensure secure and stable installation
- Designed for easy maintenance and integration in industrial environments
- High short circuit current rating up to 80kA for enhanced safety
- Compliant with RoHS standards for environmental safety
Compatibility
This NH fuse-switch disconnector is compatible with IEC fuse switch disconnectors and fits bus bar systems of 40 mm and 60 mm widths. It is suitable for integration with fuse size 1 and designed for main incomer applications in industrial electrical installations.
Applications
- Main incomer switching in industrial power distribution
- Protection and isolation in commercial electrical panels
- Use in bus bar systems requiring 3-pole switching
- Installation in systems requiring high short circuit current ratings
- Applications demanding reliable AC/DC switching capabilities
Technical Specifications
Tick the specs you need, then view products that match.
| Mounting Type | Busbar system 40 mm | |
|---|---|---|
| Current | 250 A | |
| Phase | Three Phase | |
| Poles | 3-pole | |
| Device Type | Fuse switch disconnector | |
| Voltage | 690 V | |
| Item number | P1023053 | |
| Catalogue No | 1.000.936 | |
| Description | NH fuse-switch disconnector MULTIBLOC® Size 1 250A 3-Pole switching Bus bar system 40mm Connection Screw M10 main incomer | |
| EAN/UPC Code | 9008567001141 | |
| Frequency (Hz) | 50 ... 60 Hz | |
| Rated voltage AC IEC | 690 V | |
| Rated voltage DC IEC | 440 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 DC 21 B @ Ue = DC 440 V; Ie = 250 A | |
| Switchability | 3-pole switching | |
| RoHS Compliant | Yes | |
| AC or DC | AC/DC | |
| Short Circuit Current Rating (SCCR) | 80kA@Ue = AC 400 V; Ie = 250 A / 80kA@Ue = AC 500 V; Ie = 250 A / 50kA (3-,4-pole)@Ue = AC 690 V; Ie = 200 A | |
| Fuse Size | 1 | |
| Design Details | main incomer | |
| 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 | 20 W | |
| Rated short circuit making capacity with solid links Icm | 8.2 kA | |
| Installation Mounting | Bus bar system 40 mm and 60 mm | |
| Product Width | 185 mm | |
| Product Length | 137 mm | |
| Product Height | 352 mm | |
| Sell Pack Quantity | 1 EA | |
| Sell Pack Weight | 4.68 kg | |
| Sell Pack Width | 190 mm | |
| Sell Pack Length | 345 mm | |
| Sell Pack Height | 160 mm | |
| Product group | IEC Fuse Switch Disconnectors | |
| Conventional Free Air thermal Current With Fuse-Links Ith | 250 A | |
| Product Weight | 4.68 kg | |
| Conventional Free Air thermal Current - Solid Links | 400 A |
Frequently Asked Questions
What is the maximum current rating of this fuse-switch disconnector?
The maximum ampere rating is 250 A, suitable for main incomer applications.
Can this product be used in both AC and DC circuits?
Yes, it is designed for AC/DC applications with rated voltages of 690 V AC and 440 V DC.
What bus bar sizes does this unit support?
It supports bus bar systems of 40 mm and 60 mm for flexible mounting options.
Is the product RoHS compliant?
Yes, this fuse-switch disconnector complies with RoHS environmental standards.
Common Search Terms
NH fuse switch disconnector, MULTIBLOC size 1, 250A fuse switch, 3-pole switch, industrial fuse switch, bus bar fuse holder, M10 screw connection fuse switch, IEC fuse switch disconnector, main incomer fuse switch
