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MERSEN FUSE MB1 250A 1P 1.001.818 1.001.818
MPN: S1023056
Alt. SKU: 1.001.818
Special Price
£177.40
£147.83
Regular Price
£322.54
Why Choose the NH Fuse-Switch Disconnector MULTIBLOC® Size 1 250A 1-pole?
Engineered for demanding industrial environments, this 1-pole NH fuse-switch disconnector ensures reliable circuit protection and safe disconnection up to 250A. Its robust bottom fitting and panel connection support seamless integration, with secure screw bus bar installation using M10 terminals.
Designed for efficient installation and maintenance, the MULTIBLOC® unit delivers outstanding electrical performance and longevity. Suited for modern switchgear assemblies, it offers dependable operation and compliance with stringent safety standards.
Technical Specifications
- Item number: S1023056
- Catalogue No: 1.001.818
- Description: NH fuse-switch disconnector MULTIBLOC® Size 1 250A 1-pole switching Bottom Fitting/panel Connection Screw Bus Bar Installation M10
- EAN/UPC Code: 9008567002179
- 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 DC 22 B @ Ue = DC 220 V; Ie = 250 A
- Switchability: 1-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
- Design Details: Screw
- Number of Poles: 1-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: 4 W
- Power Dissipation by Ith without Solid Links: 10 W
- Rated short circuit making capacity with solid links Icm: 8.2 kA
- Installation Mounting: Bus Bar Installation
- Product Width: 71 mm
- Product Length: 110.5 mm
- Product Height: 246 mm
- Sell Pack Quantity: 1 EA
- Sell Pack Weight: 0.91 kg
- Sell Pack Width: 79 mm
- Sell Pack Length: 246 mm
- Sell Pack Height: 112 mm
- Product group: IEC Fuse Switch Disconnectors
- Conventional Free Air thermal Current With Fuse-Links Ith: 250 A
- Product Weight: 0.91 kg
- Conventional Free Air thermal Current - Solid Links: 400 A
Product Code: S1023056
Key Benefits
- Reliable circuit protection with 250A rating for industrial applications
- Robust bottom fitting and panel connection for secure installation
- Easy screw bus bar installation using M10 terminals
- High short circuit current rating up to 80kA for enhanced safety
- Compact design with efficient power dissipation for longevity
- Complies with IEC standards ensuring quality and safety
Compatibility
This NH fuse-switch disconnector is compatible with IEC fuse switch disconnectors systems and modern switchgear assemblies requiring 1-pole switching up to 250A. It supports bus bar installation and is suitable for use in AC systems with rated voltages up to 690 V.
Applications
- Industrial electrical distribution panels
- Switchgear assemblies in manufacturing plants
- Power distribution in commercial buildings
- Protection and isolation in motor control centres
- Maintenance and service isolation in electrical installations
Frequently Asked Questions
What is the rated current of this fuse-switch disconnector?
The rated current is 250A for this 1-pole NH fuse-switch disconnector.
Can this product be used in DC applications?
This model is designed for AC applications only, as indicated by the AC or DC specification.
What type of mounting does this product support?
It supports bus bar installation with screw bus bar terminals using M10 screws.
What is the short circuit current rating?
The short circuit current rating is up to 80kA at AC 400 V and 500 V for 1- and 2-pole configurations.
Is this product compliant with international standards?
Yes, it complies with IEC standards for fuse switch disconnectors.
Common Search Terms
NH fuse switch disconnector, MULTIBLOC fuse switch, 250A fuse switch, 1-pole fuse switch, industrial fuse switch, IEC fuse switch disconnector, bus bar fuse switch, screw terminal fuse switch, electrical circuit protection
| Manufacturer Part Number | S1023056 |
|---|---|
| Packed Quantity | 1 |
| Barcode | 9008567002179 |
| Manufacturer | Mersen |
| Alternative Product SKU | 1.001.818 |
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