MERSEN FUSE MB4a 1600A 1P 1.000.084 1.000.084

Why Choose the NH Fuse-Switch Disconnector MULTIBLOC® Size 4a 1600A?

The NH fuse-switch disconnector MULTIBLOC® Size 4a 1600A provides reliable and efficient circuit protection for heavy-duty electrical applications. Designed for 1-pole switching with bottom fitting, it ensures safe and straightforward integration into panel systems, even in demanding industrial environments.

This unit features a robust screw M12 panel connection for secure installation and stable performance under high current loads. Engineered for durability and compliance with stringent safety standards, it is ideal for professionals seeking dependable protection and easy maintenance in high-capacity power distribution.

Technical Specifications

• Item number: X1023083
• Catalogue No: 1.000.084
• Description: NH fuse-switch disconnector MULTIBLOC® Size 4a 1600A 1-pole switching Bottom Fitting/panel Connection Screw M12
• EAN/UPC Code: 4027597023331
• Frequency (Hz): 50 ... 60 Hz
• Rated voltage AC IEC: 690 V
• Ampere Rating: 1600 A
• Utilization Category: AC 22 B @ Ue = AC 400 V; Ie = 1250 A AC 21 B @ Ue = AC 690 V; Ie = 1600 A DC 21 B @ Ue = DC 220 V; Ie = 1600 A DC 21 B @ Ue = DC 440 V; Ie = 1250 A
• Switchability: 1-pole switching
• AC or DC: AC
• Short Circuit Current Rating (SCCR): 31,5kA@Ue = AC 400 V; Ie = 1600 A / 31,5kA@Ue = AC 500 V; Ie = 1600 A / 31,5kA@Ue = AC 690 V; Ie = 1600 A
• Fuse Size: 4a
• Number of Poles: 1-pole
• Degree of Pollution: 3
• Rated Impulse Withstand Voltage: 8 kV
• Rated Insulation Voltage: 800 V
• Rated SC Withstand: 50 kA / 1 s
• Max Power dissipation of Fuse Links Pn: 140 W
• Max Power dissipation of Solid Links Pn: 42 W
• Power Dissipation by Ith without Fuse-Links: 80 W
• Power Dissipation by Ith without Solid Links: 80 W
• Rated short circuit making capacity with solid links Icm: 100 kA
• Installation Mounting: Bottom Fitting/panel
• Product Width: 126 mm
• Product Length: 233 mm
• Product Height: 330 mm
• Sell Pack Quantity: 1 EA
• Sell Pack Weight: 5 kg
• Sell Pack Width: 120 mm
• Sell Pack Length: 355 mm
• Sell Pack Height: 270 mm
• Product group: IEC Fuse Switch Disconnectors
• Conventional Free Air thermal Current With Fuse-Links Ith: 1600 A
• Product Weight: 5 kg
• Conventional Free Air thermal Current - Solid Links: 1800 A

Product Code: X1023083

Key Benefits

• Reliable protection for high current electrical circuits up to 1600A
• Robust screw M12 panel connection ensures secure and stable installation
• Compact design with bottom fitting for easy integration into panel systems
• High short circuit current rating of up to 31.5kA for enhanced safety
• Designed for 1-pole switching with clear operational status
• Durable construction suitable for demanding industrial environments

Compatibility

This NH fuse-switch disconnector is compatible with IEC fuse switch disconnectors and designed to fit panel systems requiring bottom fitting with screw M12 connections. It supports a range of fuse sizes and is suitable for use with AC systems operating between 50 and 60 Hz up to 690 V.

Applications

• Heavy-duty industrial power distribution
• Electrical panel protection in manufacturing plants
• Switchgear assemblies requiring high current fuse protection
• Power supply systems in commercial and utility installations
• Maintenance and upgrade of existing electrical distribution networks

Common Search Terms

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