MERSEN FUSE MB2 400A 3P 1.000.832 1.000.832

Robust NH fuse-switch disconnector with electromechanic fuse monitoring, 3-pole switching, bottom fitting and panel connection via M10 screw terminals. Rated for 400 A and 690 V AC IEC.

SKU: E1023067Alt SKU: 1.000.832MPN: E1023067

List Price £599.25 ex VAT

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£599.25

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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.

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

Technical Specifications

Current	400 A
Phase	Three Phase
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
HS Code	85365080
Country of Manufacture	Hungary
Poles	3-pole
Device Type	Fuse switch disconnector
Voltage	690 V

Frequently Asked Questions

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

The rated voltage AC IEC is 690 V, suitable for a wide range of industrial applications.

Can this product be used for DC applications?

This particular model is designed for AC use only.

What type of fuse size does it accommodate?

It accommodates NH fuse Size 2 links.

Is electromechanic fuse monitoring included?

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

What is the short circuit current rating?

The short circuit current rating is 80kA at AC 400 V and AC 500 V for 3-pole configurations.

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

Current	400 A
Phase	Three Phase
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
HS Code	85365080
Country of Manufacture	Hungary
Poles	3-pole
Device Type	Fuse switch disconnector
Voltage	690 V

UK delivery

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