MERSEN FUSE MB2 400A 3P 1.000.856 1.000.856

Why Choose the NH Fuse-Switch Disconnector MULTIBLOC® Size 2 400A 3-Pole?

The NH fuse-switch disconnector MULTIBLOC® Size 2 offers robust 3-pole switching for demanding bus bar systems with a standard 40mm spacing, supporting applications up to 400A. Engineered for reliability and safety, it features secure M10 screw terminal connections to ensure stable conductivity and long-term operational integrity.

Ideal for industrial installations requiring rapid, tool-assisted fuse replacement and low maintenance, this disconnector is designed for straightforward integration into modern electrical panels. Choose elecmec MON. 1.000.856 (SKU Z1023062) to optimise system uptime and compliance with stringent electrical standards.

Technical Specifications

• Item number: Z1023062
• Catalogue No: 1.000.856
• Description: NH fuse-switch disconnector MULTIBLOC® Size 2 400A 3-Pole switching Bus bar system 40mm Connection Screw M10 elecmec mon.
• EAN/UPC Code: 9008567002315
• 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 electromechanic fuse monitoring MZS installed (galvanic isolation)
• 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: 207 mm
• Product Height: 259 mm
• Sell Pack Quantity: 1 EA
• Sell Pack Weight: 5.28 kg
• Sell Pack Width: 210 mm
• Sell Pack Length: 340 mm
• Sell Pack Height: 220 mm
• Product group: IEC Fuse Switch Disconnectors
• Conventional Free Air thermal Current With Fuse-Links Ith: 400 A
• Product Weight: 5.28 kg
• Conventional Free Air thermal Current - Solid Links: 530 A

Product Code: Z1023062

Key Benefits

• Reliable 3-pole switching for enhanced safety and control.
• Supports high current rating up to 400A for demanding industrial applications.
• Standard 40mm bus bar spacing ensures compatibility with existing systems.
• Secure M10 screw terminal connections for stable and long-lasting conductivity.
• Electromechanic fuse monitoring (MZS) with galvanic isolation for improved operational safety.
• Tool-assisted fuse replacement reduces downtime and maintenance effort.
• RoHS compliant, ensuring environmental and safety standards are met.

Compatibility

This fuse-switch disconnector is compatible with IEC fuse switch disconnector panels and bus bar systems with 40mm spacing. It supports NH fuse size 2 and is suitable for use in both AC and DC electrical systems up to 690 V AC and 440 V DC respectively. The product integrates seamlessly with electromechanic fuse monitoring devices such as the MZS module.

Applications

• Industrial electrical distribution panels and switchboards.
• Bus bar systems requiring compact and safe fuse switching solutions.
• Heavy machinery protection in manufacturing plants.
• Electrical installations demanding high short circuit current ratings.
• Systems requiring galvanic isolation and fuse monitoring for enhanced safety.

Common Search Terms

NH fuse switch disconnector, MULTIBLOC Size 2, 400A fuse switch, 3-pole fuse disconnector, bus bar fuse switch, electromechanic fuse monitoring, M10 screw terminal fuse switch, IEC fuse switch disconnector, industrial fuse switch, 40mm bus bar fuse switch