MERSEN FUSE MB3 630A 3P+N 1.002.661 1.002.661

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
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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

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Mounting Type Base / panel
Current 630 A
Phase Three Phase
Poles 3-pole + N
Device Type Fuse switch disconnector
Voltage 690 V
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

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.