MERSEN FUSE MV2 400A/185mm 3P3 1.250.074 1.250.074

Why Choose the NH Fuse-Switch Disconnector MULTIVERT® Size 2 400A 1x3-Pole Switching Bus Bar System 185mm Screw M12 ct3P?

This robust NH fuse-switch disconnector is engineered for secure and efficient protection of low-voltage power distribution, supporting up to 400A across three poles. Its compact MULTIVERT® Size 2 design simplifies integration into bus bar systems with a 185mm centre-to-centre pitch, ensuring compatibility with standard industrial installations.

Featuring reliable M12 screw terminals for safe, low-maintenance connections, this unit is ideal for demanding switchgear environments. Trust in its proven performance for rapid circuit isolation, operational safety, and long-term durability in modern electrical distribution systems.

Product Code: N1023213

Key Benefits

• High current rating of 400A suitable for demanding industrial applications
• Compact MULTIVERT® Size 2 design for easy integration into existing bus bar systems
• Robust construction with M12 screw terminals ensures secure and low-maintenance connections
• Supports 1x3-pole switching for enhanced operational flexibility
• Compliance with RoHS standards guarantees environmentally responsible manufacturing
• High short circuit current rating (up to 120kA) for superior protection

Compatibility

This NH fuse-switch disconnector is compatible with standard bus bar systems featuring a 185mm centre-to-centre mounting pitch. It fits seamlessly within IEC Fuse Switch Disconnectors product groups and is designed for use with MULTIVERT® Size 2 fuse links. The unit supports integration with triple pole measurement systems and is suitable for low-voltage power distribution networks operating at up to 690 V AC.

Applications

• Industrial low-voltage power distribution panels
• Switchgear assemblies requiring reliable circuit isolation
• Electrical distribution in factories and manufacturing plants
• Protection of motors, transformers, and other electrical equipment
• Renewable energy installations with AC power systems

Common Search Terms

NH fuse switch disconnector, MULTIVERT Size 2 fuse holder, 400A fuse switch, 3-pole fuse switch, bus bar system fuse holder, industrial fuse switch, low voltage fuse switch, M12 screw terminal fuse switch, IEC fuse switch disconnector

Technical Specifications

• Item number: N1023213
• Catalogue No: 1.250.074
• Description: NH fuse-switch disconnector MULTIVERT® Size 2 400A 1x3-Pole switching Bus bar system 185mm Screw M12 ct3P c.
• EAN/UPC Code: 9008567008294
• 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 = 400 A
• Switchability: 1x3-pole switching
• RoHS Compliant: Yes
• AC or DC: AC
• Short Circuit Current Rating (SCCR): 120kA@Ue = AC 400 V; Ie = 400 A / 120kA@Ue = AC 500 V; Ie = 400 A / 120kA@Ue = AC 690 V; Ie = 315 A / 100kA@Ue = AC 690 V; Ie = 400 A
• Fuse Size: 2
• Design Details: MULTIVERT® 1.250.000 with integrated C.T. 400/5A, 3,75 VA, class 0,5; calibrated, for triple pole measurement
• Number of Poles: 3-Pole
• Degree of Pollution: 3
• Rated Impulse Withstand Voltage: 12 kV
• Rated Insulation Voltage: 1000 V
• Rated SC Withstand: 8 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: 61 W
• Power Dissipation by Ith without Solid Links: 151 W
• Rated short circuit making capacity with solid links Icm: 16 kA
• Installation Mounting: Bus bar system 185 mm
• Product Width: 98 mm
• Product Length: 190 mm
• Product Height: 685 mm
• Sell Pack Quantity: 1 EA
• Sell Pack Weight: 4.9 kg
• Sell Pack Width: 100 mm
• Sell Pack Length: 688 mm
• Sell Pack Height: 195 mm
• Product group: IEC Fuse Switch Disconnectors
• Conventional Free Air thermal Current With Fuse-Links Ith: 400 A
• Product Weight: 4.9 kg
• Conventional Free Air thermal Current - Solid Links: 630 A