MERSEN FUSE MB2 400A 3P 1.001.240 1.001.240

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

The MULTIBLOC® Size 2 NH fuse-switch disconnector offers reliable 3-pole switching for demanding industrial and commercial power distribution applications, supporting up to 400A. Its robust bottom-fitting design with panel connection, clamp strap, and secure screw clamp straps (M10) ensures straightforward installation and consistent electrical contact.

Engineered for durability and low maintenance, this disconnector guarantees excellent short-circuit protection and operational safety. Its compact form factor and precision construction make it an optimum choice for panel builders and switchgear systems requiring dependable performance.

Product Code: F1023068

Key Benefits

• Reliable 3-pole switching for enhanced operational safety.
• Supports high current rating of 400A for demanding applications.
• Robust bottom fitting and panel connection for easy installation.
• Clamp strap and secure M10 screw clamp straps ensure consistent electrical contact.
• Compact and durable design reduces maintenance requirements.
• Excellent short-circuit protection with a high SCCR of up to 80kA.

Compatibility

This NH fuse-switch disconnector is compatible with Size 2 NH fuses and designed to integrate seamlessly with IEC Fuse Switch Disconnector panels and switchgear systems operating at rated voltages up to 690 V AC. It is suitable for use in industrial and commercial electrical distribution setups requiring 3-pole switching and bottom fitting panel connections.

Applications

• Industrial power distribution panels.
• Commercial electrical switchgear systems.
• Protection and isolation in electrical circuits up to 400 A.
• Panel building and retrofit installations.
• Short-circuit and overload protection in electrical networks.

Technical Specifications

• Item number: F1023068
• Catalogue No: 1.001.240
• Description: NH fuse-switch disconnector MULTIBLOC® Size 2 400A 3-Pole switching Bottom Fitting/panel Connection Clamp Strap / Screw clamp straps M10
• EAN/UPC Code: 4027597029661
• 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 DC 21 B @ Ue = DC 440 V; Ie = 400 A
• Switchability: 3-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: Clamp Strap / Screw
• Number of Poles: 3-Pole
• 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: 205 mm
• Product Length: 130 mm
• Product Height: 259 mm
• Sell Pack Quantity: 1 EA
• Sell Pack Weight: 3.5 kg
• Sell Pack Width: 208 mm
• Sell Pack Length: 262 mm
• Sell Pack Height: 133 mm
• Product group: IEC Fuse Switch Disconnectors
• Conventional Free Air thermal Current With Fuse-Links Ith: 400 A
• Product Weight: 3.5 kg
• Conventional Free Air thermal Current - Solid Links: 630 A

Common Search Terms

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