MERSEN FUSE MB3 630A 3P+N 1.002.661 1.002.661

The MULTIBLOC® Size 3 NH fuse-switch disconnector offers reliable 630A four-pole switching for demanding industrial and commercial installations with robust bottom fitting and screw M12 panel connection.

SKU: P1023076Alt SKU: 1.002.661MPN: P1023076

List Price £1,605.83 ex VAT

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Why Choose the NH Fuse-Switch Disconnector MULTIBLOC® Size 3 630A 4-Pole?

The MULTIBLOC® Size 3 NH fuse-switch disconnector offers reliable 630A four-pole switching for demanding industrial and commercial installations. Its robust bottom fitting and screw M12 panel connection ensure secure and efficient integration into existing systems.

Engineered for performance and safety, this device provides fast and safe disconnection, with durable construction supporting high short-circuit withstand levels. Ideal for main distribution boards and control panels requiring precise protection and straightforward maintenance.

Product Code: P1023076

Key Benefits

High reliability with 630A current rating and 4-pole switching for comprehensive protection.
Robust bottom fitting and screw M12 panel connection for secure and easy installation.
Designed with special solid link as neutral conductor for leading and lagging switching.
Supports high short-circuit current ratings up to 80kA for enhanced safety.
Compliant with RoHS standards ensuring environmental safety.
Compact dimensions for efficient space utilisation in distribution boards.

Compatibility

This NH fuse-switch disconnector is compatible with standard Size 3 NH fuses and is suitable for integration with IEC fuse switch disconnectors and related industrial electrical equipment. It fits panels designed for bottom fitting with screw M12 connections and supports AC systems operating up to 690 V.

Applications

Main distribution boards in industrial and commercial facilities.
Control panels requiring reliable and safe fuse-switch disconnection.
Electrical installations needing high short-circuit withstand capacity.
Systems demanding precise protection and easy maintenance.
Use in environments with degree of pollution 3.

Technical Specifications

Current	630 A
Phase	Three Phase
Item number	P1023076
Catalogue No	1.002.661
Description	NH fuse-switch disconnector MULTIBLOC® Size 3 630A 4-Pole switching Bottom Fitting/panel Connection Screw M12
EAN/UPC Code	4027597039622
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	4-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 ready fitted speacial solid link as neutral conductor in pole 4 for leading and lagging switching
Number of Poles	3-Pole+N
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	331.5 mm
Product Length	153.9 mm
Product Height	299 mm
Sell Pack Quantity	1 EA
Sell Pack Weight	7.71 kg
Sell Pack Width	320 mm
Sell Pack Length	350 mm
Sell Pack Height	170 mm
Product group	IEC Fuse Switch Disconnectors
Conventional Free Air thermal Current With Fuse-Links Ith	630 A
Product Weight	7.71 kg
Conventional Free Air thermal Current - Solid Links	780 A
HS Code	85365080
Country of Manufacture	Hungary
Poles	3-pole + N
Device Type	Fuse switch disconnector
Voltage	690 V

Frequently Asked Questions

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

The rated current is 630A, suitable for demanding industrial applications.

Can this device be used in AC and DC systems?

This product is designed for AC systems only, with rated voltages up to 690 V AC.

What type of mounting does this fuse-switch disconnector require?

It requires bottom fitting mounting with screw M12 panel connections.

Is this product RoHS compliant?

Yes, it is fully RoHS compliant.

What is the short circuit current rating (SCCR)?

The SCCR is up to 80kA at 400 V and 500 V, and 50kA at 690 V.

Common Search Terms

NH fuse-switch disconnector, MULTIBLOC Size 3, 630A fuse switch, 4-pole switch disconnector, IEC fuse switch, industrial fuse holder, bottom fitting fuse switch, screw M12 panel connection, high short circuit rating fuse switch.

Current	630 A
Phase	Three Phase
Item number	P1023076
Catalogue No	1.002.661
Description	NH fuse-switch disconnector MULTIBLOC® Size 3 630A 4-Pole switching Bottom Fitting/panel Connection Screw M12
EAN/UPC Code	4027597039622
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	4-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 ready fitted speacial solid link as neutral conductor in pole 4 for leading and lagging switching
Number of Poles	3-Pole+N
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	331.5 mm
Product Length	153.9 mm
Product Height	299 mm
Sell Pack Quantity	1 EA
Sell Pack Weight	7.71 kg
Sell Pack Width	320 mm
Sell Pack Length	350 mm
Sell Pack Height	170 mm
Product group	IEC Fuse Switch Disconnectors
Conventional Free Air thermal Current With Fuse-Links Ith	630 A
Product Weight	7.71 kg
Conventional Free Air thermal Current - Solid Links	780 A
HS Code	85365080
Country of Manufacture	Hungary
Poles	3-pole + N
Device Type	Fuse switch disconnector
Voltage	690 V

UK delivery

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Free UK delivery on orders over £200 ex VAT. Order in-stock items before 2pm Monday to Friday for next-day delivery.

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