MERSEN FUSE MB3 630A 3P 1.001.150 1.001.150

The NH fuse-switch disconnector MULTIBLOC® Size 3 is engineered for demanding industrial applications, providing reliable protection and safe switching for circuits rated up to 630A. Features bottom fitting/panel mounting and M12 screw terminals with electromechanic fuse monitoring.

SKU: K1023072Alt SKU: 1.001.150MPN: K1023072

List Price £1,023.24 ex VAT

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Why Choose the NH Fuse-Switch Disconnector MULTIBLOC® Size 3 630A 3-Pole?

The NH fuse-switch disconnector MULTIBLOC® Size 3 is engineered for demanding industrial applications, providing reliable protection and safe switching for circuits rated up to 630A. Its robust three-pole configuration ensures consistent performance in low-voltage distribution systems.

Featuring a durable bottom fitting/panel connection and secure M12 screw terminals, this unit offers straightforward installation and long-term operational dependability. Compliant with IEC standards, it is ideal for panel builders and OEMs seeking enhanced safety and efficiency in power distribution.

Product Code: K1023072

Key Benefits

Reliable protection with IEC compliance for industrial applications
Robust 3-pole switching design suitable for 630A circuits
Durable bottom fitting/panel mounting for secure installation
Secure M12 screw terminals for easy and safe connections
Electromechanic fuse monitoring with galvanic isolation enhances safety
High short circuit current rating ensures operational safety under fault conditions

Compatibility

This NH fuse-switch disconnector is compatible with Size 3 NH fuses and is designed to integrate seamlessly into low-voltage distribution systems operating up to 690 V AC. It fits panel mounting configurations requiring bottom fitting connections and supports electromechanic fuse monitoring accessories.

Applications

Industrial power distribution panels
Motor control centres and switchboards
OEM equipment requiring reliable fuse-switch disconnectors
Low-voltage electrical installations up to 630A
Protection and isolation in manufacturing plants and factories

Technical Specifications

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Mounting Type	Base / panel
Current	630 A
Phase	Three Phase
Poles	3-pole
Device Type	Fuse switch disconnector
Voltage	690 V
Item number	K1023072
Catalogue No	1.001.150
Description	NH fuse-switch disconnector MULTIBLOC® Size 3 630A 3-Pole switching Bottom Fitting/panel Connection Screw M12 elecmec mon.
EAN/UPC Code	9008567002360
Frequency (Hz)	50 ... 60 Hz
Rated voltage AC IEC	690 V
Ampere Rating	630 A
Utilization Category	AC 23 B @ Ue = AC 400 V; Ie = 630 A AC 22 B @ Ue = AC 500 V; Ie = 630 A AC 21 B @ Ue = AC 690 V; Ie = 500 A
Switchability	3-pole switching
RoHS Compliant	Yes
AC or DC	AC
Short Circuit Current Rating (SCCR)	80kA@Ue = AC 400 V; Ie = 630 A / 80kA@Ue = AC 500 V; Ie = 630 A / 50kA@Ue = AC 690 V; Ie = 500 A
Fuse Size	3
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	18 kA / 1 s
Max Power dissipation of Fuse Links Pn	48 W
Max Power dissipation of Solid Links Pn	17.5 W
Power Dissipation by Ith without Fuse-Links	53 W
Power Dissipation by Ith without Solid Links	81 W
Rated short circuit making capacity with solid links Icm	18.6 kA
Installation Mounting	Bottom Fitting/panel
Product Width	256 mm
Product Length	224 mm
Product Height	299 mm
Sell Pack Quantity	1 EA
Sell Pack Weight	5.74 kg
Sell Pack Width	265 mm
Sell Pack Length	325 mm
Sell Pack Height	155 mm
Product group	IEC Fuse Switch Disconnectors
Conventional Free Air thermal Current With Fuse-Links Ith	630 A
Product Weight	5.74 kg
Conventional Free Air thermal Current - Solid Links	780 A
HS Code	85365080
Country of Manufacture	Hungary

Frequently Asked Questions

What is the maximum rated voltage for this fuse-switch disconnector?

The maximum rated voltage AC IEC for this product is 690 V.

Can this unit be used for DC applications?

No, this fuse-switch disconnector is designed for AC applications only.

What type of mounting does this product support?

It supports bottom fitting/panel mounting for secure installation.

Does this product include fuse monitoring?

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

What is the short circuit current rating (SCCR)?

The SCCR is 80kA at AC 400 V and 500 V for 630 A, and 50kA at AC 690 V for 500 A.

Common Search Terms

NH fuse switch disconnector, MULTIBLOC Size 3, 630A fuse switch, 3-pole fuse switch, bottom fitting fuse switch, M12 terminal fuse switch, IEC fuse switch disconnector, industrial fuse switch, electromechanic fuse monitoring, low voltage fuse switch

Mounting Type	Base / panel
Current	630 A
Phase	Three Phase
Item number	K1023072
Catalogue No	1.001.150
Description	NH fuse-switch disconnector MULTIBLOC® Size 3 630A 3-Pole switching Bottom Fitting/panel Connection Screw M12 elecmec mon.
EAN/UPC Code	9008567002360
Frequency (Hz)	50 ... 60 Hz
Rated voltage AC IEC	690 V
Ampere Rating	630 A
Utilization Category	AC 23 B @ Ue = AC 400 V; Ie = 630 A AC 22 B @ Ue = AC 500 V; Ie = 630 A AC 21 B @ Ue = AC 690 V; Ie = 500 A
Switchability	3-pole switching
RoHS Compliant	Yes
AC or DC	AC
Short Circuit Current Rating (SCCR)	80kA@Ue = AC 400 V; Ie = 630 A / 80kA@Ue = AC 500 V; Ie = 630 A / 50kA@Ue = AC 690 V; Ie = 500 A
Fuse Size	3
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	18 kA / 1 s
Max Power dissipation of Fuse Links Pn	48 W
Max Power dissipation of Solid Links Pn	17.5 W
Power Dissipation by Ith without Fuse-Links	53 W
Power Dissipation by Ith without Solid Links	81 W
Rated short circuit making capacity with solid links Icm	18.6 kA
Installation Mounting	Bottom Fitting/panel
Product Width	256 mm
Product Length	224 mm
Product Height	299 mm
Sell Pack Quantity	1 EA
Sell Pack Weight	5.74 kg
Sell Pack Width	265 mm
Sell Pack Length	325 mm
Sell Pack Height	155 mm
Product group	IEC Fuse Switch Disconnectors
Conventional Free Air thermal Current With Fuse-Links Ith	630 A
Product Weight	5.74 kg
Conventional Free Air thermal Current - Solid Links	780 A
HS Code	85365080
Country of Manufacture	Hungary
Poles	3-pole
Device Type	Fuse switch disconnector
Voltage	690 V

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