MERSEN FUSE MV2 400A/185mm 3P3 1.250.064 1.250.064

Why Choose the NH Fuse-Switch Disconnector MULTIVERT® Size 2 400A?

The MULTIVERT® Size 2 400A NH fuse-switch disconnector delivers robust and reliable protection in demanding industrial environments, supporting 1x3-pole switching for safe isolation and circuit protection. Designed for seamless integration into 185mm bus bar systems, this unit utilises high-strength M12 screw terminals ensuring secure, low-resistance connections.

Engineered for efficient installation and long-term durability, the MULTIVERT® fuse-switch disconnector provides compliance with IEC standards and guarantees superior performance under high current loads. Its compact design optimises panel space, making it the preferred choice for large-scale electrical distribution systems.

Technical Specifications

• Item number: M1023212
• Catalogue No: 1.250.064
• Description: NH fuse-switch disconnector MULTIVERT® Size 2 400A 1x3-Pole switching Bus bar system 185mm Screw M12 ct1P c.
• EAN/UPC Code: 9008567008287
• 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 single pole measurement (ready fitted in pole 1)
• 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

Product Code: M1023212

Key Benefits

• Robust and reliable protection for industrial electrical systems.
• Supports 1x3-pole switching for safe and effective isolation.
• Compatible with 185mm bus bar systems for easy integration.
• High-strength M12 screw terminals ensure secure connections.
• Compact design optimises panel space utilisation.
• Complies with IEC standards for guaranteed performance.
• Integrated calibrated current transformer for single pole measurement.

Compatibility

This NH fuse-switch disconnector is compatible with IEC Fuse Switch Disconnectors product groups and designed to fit into 185mm bus bar systems. It supports fuse size 2 and is suitable for use in systems operating at rated voltages up to 690 V AC and frequencies between 50 and 60 Hz.

Applications

• Industrial electrical distribution systems
• High current load circuit protection
• Electrical panels requiring safe isolation switches
• Power distribution in manufacturing plants
• Commercial building electrical infrastructure

Common Search Terms

NH fuse-switch disconnector, MULTIVERT Size 2, 400A fuse switch, 3-pole switch disconnector, 185mm bus bar fuse holder, IEC fuse switch, industrial fuse disconnector, M12 screw terminal fuse switch