MERSEN FUSE MB3 630A 3P+N 1.002.661 1.002.661

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.

Technical Specifications

• 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

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.

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.