MERSEN FUSE MB2 400A 3P 1.003.135 1.003.135

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

• 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

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.