MERSEN FUSE MB2 400A 3P 1.002.712 1.002.712

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

This robust NH fuse-switch disconnector offers reliable switching and protection for low-voltage power distribution systems. Designed for 3-pole applications, it accommodates up to 400A and ensures dependable circuit isolation and safety compliance.

The bottom fitting with M10 screw connection allows secure panel mounting, ensuring straightforward installation and excellent electrical contact. Ideal for demanding environments, it combines durability, ease of use, and high operational safety in one compact unit.

Product Code: H1023070

Key Benefits

• Reliable 3-pole switching for enhanced circuit isolation and safety.
• High ampere rating of 400A suitable for demanding low-voltage applications.
• Bottom fitting with M10 screw connection for secure and easy panel mounting.
• Integrated electronic fuse monitoring (ESÜ) for improved operational safety.
• Compact design with durable construction for long-lasting performance.
• Compliance with RoHS standards ensuring environmental safety.

Compatibility

This fuse-switch disconnector is compatible with NH fuse links size 2 and designed for use in IEC Fuse Switch Disconnectors product groups. It supports AC voltages up to 690 V and is suitable for integration in low-voltage power distribution systems requiring 3-pole switching and bottom fitting panel mounting.

Applications

• Low-voltage power distribution and control panels.
• Industrial electrical installations requiring reliable circuit protection.
• Switchgear assemblies needing compact and safe fuse-switch disconnectors.
• Electrical systems in commercial and manufacturing facilities.
• Environments demanding electronic fuse monitoring for enhanced safety.

Technical Specifications

• Item number: H1023070
• Catalogue No: 1.002.712
• Description: NH fuse-switch disconnector MULTIBLOC® Size 2 400A 3-Pole switching Bottom Fitting/panel Connection Screw M10 elec mon.
• EAN/UPC Code: 9008567005897
• 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: with electronic fuse monitoring ESÜ installed (rated voltage=525VAC)
• 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: 204.5 mm
• Product Length: 149 mm
• Product Height: 259 mm
• Sell Pack Quantity: 1 EA
• Sell Pack Weight: 3.6 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: 3.6 kg
• Conventional Free Air thermal Current - Solid Links: 630 A

Common Search Terms

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