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MERSEN FUSE MB2 400A 3P 1.003.135 1.003.135
Robust NH fuse-switch disconnector with 400A rating, 3-pole switching, compatible with 40mm bus bar systems and featuring electronic fuse monitoring.
£563.02
Why Choose the NH Fuse-Switch Disconnector MULTIBLOC® Size 2 400A 3-Pole?
This robust NH fuse-switch disconnector is engineered for reliable operation within bus bar systems, supporting a 400A rating across three poles. Its 40mm bus bar compatibility and screw M10 connections ensure secure, low-maintenance installation for demanding industrial and commercial applications.
With integrated electrical monitoring, the MULTIBLOC® 1.003.135 (SKU D1023066) enhances safety and operational efficiency, delivering consistent protection and performance for your power distribution needs.
Product Code: D1023066
Key Benefits
- Reliable 400A rating for heavy-duty industrial and commercial use
- 3-pole switching for comprehensive circuit control
- Compatible with 40mm bus bar systems for easy integration
- Screw M10 connections ensure secure and stable installation
- Integrated electronic fuse monitoring enhances safety and maintenance
- High short circuit current rating (80kA) for robust protection
- RoHS compliant, supporting environmental standards
Compatibility
This fuse-switch disconnector is compatible with IEC fuse switch disconnectors and designed specifically for bus bar systems with 40 mm mounting. It supports fuse size 2 and is suitable for use with solid links and fuse links within the specified current and voltage ratings.
Applications
- Power distribution systems in industrial plants
- Commercial electrical installations requiring secure disconnection
- Bus bar systems needing integrated fuse monitoring
- Electrical panels requiring reliable short circuit protection
- Maintenance and safety upgrades in existing electrical infrastructure
Technical Specifications
Tick the specs you need, then view products that match.
| Mounting Type | Busbar system 40 mm | |
|---|---|---|
| Current | 400 A | |
| Phase | Three Phase | |
| Poles | 3-pole | |
| Device Type | Fuse switch disconnector | |
| Voltage | 690 V | |
| Item number | D1023066 | |
| Catalogue No | 1.003.135 | |
| Description | NH fuse-switch disconnector MULTIBLOC® Size 2 400A 3-Pole switching Bus bar system 40mm Connection Screw M10 elec mon. | |
| EAN/UPC Code | 9008567006399 | |
| Frequency (Hz) | 50 ... 60 Hz | |
| Rated voltage AC IEC | 690 V | |
| Rated voltage DC IEC | 440 V | |
| Ampere Rating | 400 A | |
| Utilization Category | AC 23 B @ Ue = AC 400 V; Ie = 400 A AC 22 B @ Ue = AC 500 V; Ie = 400 A AC 21 B @ Ue = AC 690 V; Ie = 315 A DC 21 B @ Ue = DC 440 V; Ie = 400 A | |
| Switchability | 3-pole switching | |
| RoHS Compliant | Yes | |
| AC or DC | AC/DC | |
| Short Circuit Current Rating (SCCR) | 80kA@Ue = AC 400 V; Ie = 400 A / 80kA@Ue = AC 500 V; Ie = 400 A / 80kA@Ue = AC 690 V; Ie = 315 A | |
| Fuse Size | 2 | |
| Design Details | with electronic fuse monitoring ESÜ installed (rated voltage = 525VAC) | |
| Number of Poles | 3-Pole | |
| Degree of Pollution | 3 | |
| Rated Impulse Withstand Voltage | 12 kV | |
| Rated Insulation Voltage | 1000 V | |
| Rated SC Withstand | 13 kA / 1 s | |
| Max Power dissipation of Fuse Links Pn | 34 W | |
| Max Power dissipation of Solid Links Pn | 9 W | |
| Power Dissipation by Ith without Fuse-Links | 60 W | |
| Rated short circuit making capacity with solid links Icm | 10.6 kA | |
| Installation Mounting | Bus bar system 40 mm | |
| Product Width | 204.5 mm | |
| Product Length | 149 mm | |
| Product Height | 259 mm | |
| Sell Pack Quantity | 1 EA | |
| Sell Pack Weight | 4.6 kg | |
| Sell Pack Width | 208 mm | |
| Sell Pack Length | 262 mm | |
| Sell Pack Height | 185 mm | |
| Product group | IEC Fuse Switch Disconnectors | |
| Conventional Free Air thermal Current With Fuse-Links Ith | 400 A | |
| Product Weight | 4.6 kg | |
| Conventional Free Air thermal Current - Solid Links | 530 A | |
| HS Code | 85365080 | |
| Country of Manufacture | Hungary |
Frequently Asked Questions
What is the rated voltage for this fuse-switch disconnector?
The rated voltage is 690 V AC IEC and 440 V DC IEC.
Is this product suitable for DC applications?
Yes, it supports both AC and DC applications as indicated by the AC/DC rating.
What type of connection does this device use?
It uses screw M10 connections compatible with a 40mm bus bar system.
Does this product include fuse monitoring?
Yes, it features electronic fuse monitoring (ESÜ) installed for enhanced safety.
What is the short circuit current rating?
The short circuit current rating is 80kA at various voltages depending on the utilisation category.
Common Search Terms
NH fuse switch disconnector, MULTIBLOC size 2, 400A fuse switch, 3-pole fuse switch, bus bar fuse switch, electronic fuse monitoring, IEC fuse switch, industrial fuse disconnector, screw M10 connection fuse switch.
