MERSEN FUSE MB2 400A 3P 1.000.856 1.000.856

MERSEN FUSE MB2 400A 3P 1.000.856 1.000.856

NH fuse-switch disconnector MULTIBLOC® Size 2 offers robust 3-pole switching for bus bar systems with 40mm spacing, supporting up to 400A with secure M10 screw terminal connections and electromechanic fuse monitoring MZS.

SKU: Z1023062Alt SKU: 1.000.856MPN: Z1023062
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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.

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.

Technical Specifications

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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 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

Frequently Asked Questions

What is the rated current of this fuse-switch disconnector?

The rated current is 400A, suitable for demanding industrial applications.

Is this product suitable for both AC and DC applications?

Yes, it supports AC voltages up to 690 V and DC voltages up to 440 V.

What type of fuse size does it support?

This disconnector supports NH fuse size 2.

Does it include fuse monitoring?

Yes, it includes electromechanic fuse monitoring MZS with galvanic isolation.

What is the mounting style for this product?

It is designed for bus bar systems with a 40 mm spacing.

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