MERSEN FUSE MB1 250A 3P 1.002.711 1.002.711

Why Choose the NH Fuse-Switch Disconnector MULTIBLOC® Size 1 250A 3-Pole?

This robust NH fuse-switch disconnector offers reliable 3-pole switching for circuits up to 250A, ensuring secure isolation and protection in demanding industrial and commercial applications. Suitable for bottom fitting and panel mounting, it features durable screw M10 electrical terminals for dependable, low-resistance connections.

Engineered for straightforward installation and maintenance, this device supports exceptional operational safety, making it an ideal choice for professionals who require both performance and long-term reliability in their low-voltage distribution systems.

Technical Specifications

• Item number: X1023060
• Catalogue No: 1.002.711
• Description: NH fuse-switch disconnector MULTIBLOC® Size 1 250A 3-Pole switching Bottom Fitting/panel Connection Screw M10 elec mon.
• EAN/UPC Code: 9008567005880
• Frequency (Hz): 50 ... 60 Hz
• Rated voltage AC IEC: 690 V
• Ampere Rating: 250 A
• Utilization Category: AC 23 B @ Ue = AC 400 V; Ie = 250 A AC 22 B @ Ue = AC 500 V; Ie = 250 A AC 21 B @ Ue = AC 690 V; Ie = 200 A DC 21 B @ Ue = DC 440 V; Ie = 250 A
• Switchability: 3-pole switching
• AC or DC: AC
• Short Circuit Current Rating (SCCR): 80kA@Ue=AC 400 V;Ie=250 A / 80kA@Ue=AC 500 V;Ie=250 A / 80kA (1-,2-pole)@Ue=AC 690 V;Ie=200 A / 50kA (3-,4-pole)@Ue=AC 690 V;Ie=200 A
• Fuse Size: 1
• 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: 8 kA / 1 s
• Max Power dissipation of Fuse Links Pn: 23 W
• Max Power dissipation of Solid Links Pn: 2.6 W
• Power Dissipation by Ith without Fuse-Links: 13 W
• Power Dissipation by Ith without Solid Links: 33 W
• Rated short circuit making capacity with solid links Icm: 8.2 kA
• Installation Mounting: Bottom Fitting/panel
• Product Width: 185 mm
• Product Length: 129 mm
• Product Height: 246 mm
• Sell Pack Quantity: 1 EA
• Sell Pack Weight: 2.64 kg
• Sell Pack Width: 187 mm
• Sell Pack Length: 248 mm
• Sell Pack Height: 112 mm
• Product group: IEC Fuse Switch Disconnectors
• Conventional Free Air thermal Current With Fuse-Links Ith: 250 A
• Product Weight: 2.64 kg
• Conventional Free Air thermal Current - Solid Links: 400 A

Product Code: X1023060

Key Benefits

• Reliable 3-pole switching for secure circuit isolation up to 250A
• Durable screw M10 electrical terminals ensure low-resistance connections
• Supports bottom fitting and panel mounting for flexible installation
• Equipped with electronic fuse monitoring (ESÜ) for enhanced safety
• High short circuit current rating up to 80kA for robust protection
• Designed for easy installation and maintenance in industrial environments

Compatibility

This NH fuse-switch disconnector is compatible with IEC standard fuse links size 1 and is suitable for integration into low-voltage distribution systems requiring 3-pole switching. It fits panels designed for bottom fitting and supports electronic fuse monitoring accessories compliant with rated voltages up to 525VAC.

Applications

• Industrial power distribution and control panels
• Commercial electrical installations requiring reliable circuit protection
• Switchgear assemblies for low-voltage networks
• Maintenance and safety isolation in manufacturing plants
• Electrical infrastructure in commercial buildings and facilities

Common Search Terms

NH fuse-switch disconnector, MULTIBLOC® size 1, 250A fuse switch, 3-pole disconnector, industrial fuse switch, bottom fitting fuse switch, panel mount fuse switch, electronic fuse monitoring, IEC fuse switch disconnectors, screw M10 terminals.