MERSEN FUSE MB2 400A 3P 1.000.832 1.000.832

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

Engineered for robust industrial performance, the MULTIBLOC® Size 2 400A 3-pole fuse-switch disconnector provides reliable circuit protection and isolation in demanding applications. Its bottom fitting and panel connection via M10 screw terminals ensure secure and straightforward installation, facilitating efficient maintenance and system integration.

This unit offers proven operational safety, high breaking capacity, and excellent thermal stability, making it ideal for both new installations and system upgrades. Choose the ELECMEC MON. 1.000.832 for assured electrical protection and compliance with stringent international standards.

Technical Specifications

• Item number: E1023067
• Catalogue No: 1.000.832
• Description: NH fuse-switch disconnector MULTIBLOC® Size 2 400A 3-Pole switching Bottom Fitting/panel Connection Screw M10 elecmec mon.
• EAN/UPC Code: 4027597023461
• Frequency (Hz): 50 ... 60 Hz
• Rated voltage AC IEC: 690 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
• AC or DC: AC
• Short Circuit Current Rating (SCCR): 80kA@Ue = AC 400 V; Ie = 400 A / 80kA@Ue = AC 500 V; Ie = 400 A / 80kA (3-pole)@Ue = AC 690 V; Ie = 315 A / 50kA (4-pole)@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: 27 W
• Power Dissipation by Ith without Solid Links: 67 W
• Rated short circuit making capacity with solid links Icm: 10.6 kA
• Installation Mounting: Bottom Fitting/panel
• Product Width: 204.5 mm
• Product Length: 207 mm
• Product Height: 259 mm
• Sell Pack Quantity: 1 EA
• Sell Pack Weight: 4.25 kg
• Sell Pack Width: 215 mm
• Sell Pack Length: 280 mm
• Sell Pack Height: 230 mm
• Product group: IEC Fuse Switch Disconnectors
• Conventional Free Air thermal Current With Fuse-Links Ith: 400 A
• Product Weight: 4.25 kg
• Conventional Free Air thermal Current - Solid Links: 630 A

Product Code: E1023067

Key Benefits

• Reliable circuit protection with high breaking capacity
• Robust design suitable for demanding industrial environments
• Easy installation with bottom fitting and M10 screw terminals
• Electromechanic fuse monitoring for enhanced safety
• Compliance with international electrical standards
• Excellent thermal stability ensuring long service life

Compatibility

This fuse-switch disconnector is compatible with NH Size 2 fuse links and designed to integrate seamlessly with IEC standard electrical systems requiring 3-pole switching at up to 400 A. It is suitable for use with AC systems up to 690 V and can be installed in panel-mounted configurations.

Applications

• Industrial power distribution panels
• Motor control centres
• Electrical switchboards and distribution boards
• System upgrades and retrofitting in manufacturing plants
• Protection of transformers and electrical machines

Common Search Terms

NH fuse switch disconnector, MULTIBLOC® Size 2 fuse switch, 400A fuse switch, 3-pole fuse switch, industrial fuse switch, IEC fuse switch disconnector, electromechanic fuse monitoring, bottom fitting fuse switch, panel connection fuse switch