MERSEN FUSE MB3 630A 3P 1.001.241 1.001.241

Robust NH fuse-switch disconnector engineered for secure and reliable power distribution in demanding industrial environments. Rated at 630A, Size 3, 3-pole switching with bottom fitting and panel connection clamp strap.

SKU: L1023073Alt SKU: 1.001.241MPN: L1023073

List Price £456.98 ex VAT

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

This robust NH fuse-switch disconnector is engineered for secure and reliable power distribution in demanding industrial environments. Rated at 630A, Size 3, and featuring 3-pole switching, it ensures optimal performance and safety for critical applications.

Designed for bottom fitting with a panel connection clamp strap, it includes screw clamp straps (M12) for fast, secure installation. MULTIBLOC® technology guarantees durability, efficient fuse handling, and straightforward maintenance, making it the trusted choice for professionals.

Product Code: L1023073

Key Benefits

High current rating of 630A ensures reliable power distribution in industrial settings.
MULTIBLOC® technology provides enhanced durability and easy fuse handling.
3-pole switching for comprehensive circuit control and safety.
Bottom fitting with panel connection clamp strap and screw clamp straps (M12) for secure and fast installation.
Compliant with RoHS standards, ensuring environmental safety.
High short circuit current rating (up to 80kA) for superior protection.

Compatibility

This fuse-switch disconnector is compatible with NH fuses Size 3 and designed for integration into IEC fuse switch disconnector systems. It supports AC applications up to 690 V and is suitable for use with panel mounting configurations requiring bottom fitting connections.

Applications

Industrial power distribution panels
Electrical switchgear assemblies
Motor control centres
Renewable energy installations
Commercial and heavy-duty electrical installations

Technical Specifications

Current	630 A
Phase	Three Phase
Item number	L1023073
Catalogue No	1.001.241
Description	NH fuse-switch disconnector MULTIBLOC® Size 3 630A 3-Pole switching Bottom Fitting/panel Connection Clamp Strap / Screw clamp straps M12
EAN/UPC Code	4027597029678
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	Clamp Strap / Screw
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	148.9 mm
Product Height	299 mm
Sell Pack Quantity	1 EA
Sell Pack Weight	5.13 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	5.13 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

Frequently Asked Questions

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

The maximum rated voltage AC IEC is 690 V.

Can this product be used for DC applications?

No, this product is designed for AC applications only.

What type of mounting does this product support?

It supports bottom fitting with panel connection clamp strap mounting.

Is this fuse-switch disconnector RoHS compliant?

Yes, it is RoHS compliant.

What is the short circuit current rating?

The short circuit current rating is up to 80kA at AC 400 V and AC 500 V, and 50kA at AC 690 V.

Common Search Terms

NH fuse-switch disconnector, MULTIBLOC® fuse switch, 630A fuse switch, 3-pole disconnector, industrial fuse switch, IEC fuse switch disconnector, bottom fitting fuse switch, panel clamp strap fuse switch, high current fuse switch

Current	630 A
Phase	Three Phase
Item number	L1023073
Catalogue No	1.001.241
Description	NH fuse-switch disconnector MULTIBLOC® Size 3 630A 3-Pole switching Bottom Fitting/panel Connection Clamp Strap / Screw clamp straps M12
EAN/UPC Code	4027597029678
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	Clamp Strap / Screw
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	148.9 mm
Product Height	299 mm
Sell Pack Quantity	1 EA
Sell Pack Weight	5.13 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	5.13 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

UK delivery

Delivery options

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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Please contact us for a delivery time before you order

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£8 ex VAT · free over £200

UK parcel delivery is £8 ex VAT, or free on orders over £200 ex VAT.

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