MERSEN FUSE MB2 400A 3P+N 1.002.379 1.002.379

Why Choose the NH Fuse-Switch Disconnector MULTIBLOC® Size 2 400A 3-Pole+N?

Engineered for secure and reliable operation, the NH Fuse-Switch Disconnector MULTIBLOC® Size 2 400A 3-Pole+N delivers robust performance in demanding industrial and commercial installations. Designed for bottom fitting with panel connection, it ensures safe and efficient fuse switching and isolation up to 400A.

Featuring a rugged construction with M10 screw terminals, this unit facilitates straightforward installation and dependable electrical connections. Ideal for professionals seeking durability and compliance, it offers optimal safety and operational flexibility in low-voltage power distribution systems.

Product Code: Y1002131

Key Benefits

• High current rating of 400A suitable for demanding industrial applications
• Robust and durable construction ensures long-lasting performance
• Bottom fitting with panel connection for easy installation
• M10 screw terminals provide secure and reliable electrical connections
• 4-pole switching with neutral conductor for enhanced safety and operational flexibility
• Complies with RoHS standards for environmental safety
• High short circuit current rating up to 80kA for superior protection

Compatibility

This NH Fuse-Switch Disconnector is compatible with IEC fuse links Size 2 and is designed for use in low-voltage power distribution systems up to 690 V AC. It is suitable for integration with standard industrial panels and switchgear requiring 3-pole plus neutral switching and isolation.

Applications

• Industrial power distribution and control panels
• Commercial electrical installations requiring reliable fuse switching
• Low-voltage switchgear assemblies
• Protection and isolation of electrical circuits in manufacturing plants
• Maintenance and safety isolation in electrical distribution systems

Technical Specifications

• Item number: Y1002131
• Catalogue No: 1.002.379
• Description: NH fuse-switch disconnector MULTIBLOC® Size 2 400A 3-Pole+N switching Bottom Fitting/panel Connection Screw M10
• EAN/UPC Code: 9008567000823
• Frequency (Hz): 50 ... 60 Hz
• Rated voltage AC IEC: 690 V
• Ampere Rating: 400 A
• Utilization Category: AC 23 B @ Ue = AC 400 V; Ie = 400 A AC 22 B @ Ue = AC 500 V; Ie = 400 A AC 21 B @ Ue = AC 690 V; Ie = 315 A
• Switchability: 4-pole switching
• RoHS Compliant: Yes
• AC or DC: AC
• Short Circuit Current Rating (SCCR): 80kA@Ue = AC 400 V; Ie = 400 A / 80kA@Ue = AC 500 V; Ie = 400 A / 80kA (3-pole)@Ue = AC 690 V; Ie = 315 A / 50kA (4-pole)@Ue = AC 690 V; Ie = 315 A
• Fuse Size: 2
• 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: 13 kA / 1 s
• Max Power dissipation of Fuse Links Pn: 34 W
• Max Power dissipation of Solid Links Pn: 9 W
• Power Dissipation by Ith without Fuse-Links: 27 W
• Power Dissipation by Ith without Solid Links: 67 W
• Rated short circuit making capacity with solid links Icm: 10.6 kA
• Installation Mounting: Bottom Fitting/panel
• Product Width: 274 mm
• Product Length: 138.5 mm
• Product Height: 259 mm
• Sell Pack Quantity: 1 EA
• Sell Pack Weight: 5.26 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: 400 A
• Product Weight: 5.26 kg
• Conventional Free Air thermal Current - Solid Links: 630 A

Common Search Terms

NH fuse switch disconnector, MULTIBLOC size 2 fuse switch, 400A fuse switch, 3-pole plus neutral disconnector, bottom fitting fuse switch, M10 screw terminal fuse switch, IEC fuse switch disconnectors, industrial fuse switch, panel mount fuse switch