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MERSEN FUSE MB1 250A 3P 1.001.239 1.001.239

MPN: V1023058

Alt. SKU: 1.001.239

Special Price £152.89 £127.41 Regular Price £277.98

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

The MULTIBLOC® NH fuse-switch disconnector offers robust and reliable 250A 3-pole switching for demanding industrial energy distribution. Engineered for efficiency, it supports secure bottom panel fitting and ensures rapid, safe operation in critical applications.

Equipped with M10 screw clamp straps for consistent electrical contact, this device streamlines installation while maintaining optimum performance and safety. Ideal for use in main and sub-distribution boards, it delivers durability and ease of maintenance in modern power systems.

Product Code: V1023058

Key Benefits

  • Reliable 250A 3-pole switching for industrial applications
  • Secure bottom fitting/panel mounting for easy installation
  • M10 screw clamp straps ensure consistent and safe electrical contact
  • High short circuit current rating up to 80kA for enhanced safety
  • Durable design suitable for main and sub-distribution boards
  • Supports a wide frequency range of 50 to 60 Hz

Compatibility

This NH fuse-switch disconnector is compatible with Size 1 NH fuse links and designed to integrate seamlessly into IEC Fuse Switch Disconnector systems. It supports AC voltages up to 690 V and is suitable for use with solid links and fuse links matching the specified ratings.

Applications

  • Main and sub-distribution boards in industrial electrical systems
  • Power distribution and switching in commercial and industrial facilities
  • Protection and isolation of electrical circuits in energy distribution
  • Use in systems requiring reliable and safe switching of 3-pole circuits

Technical Specifications

  • Item number: V1023058
  • Catalogue No: 1.001.239
  • Description: NH fuse-switch disconnector MULTIBLOC® Size 1 250A 3-Pole switching Bottom Fitting/panel Connection Clamp Strap / Screw clamp straps M10
  • EAN/UPC Code: 4027597029654
  • 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: 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: 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: 110.5 mm
  • Product Height: 246 mm
  • Sell Pack Quantity: 1 EA
  • Sell Pack Weight: 2.42 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: 2.42 kg
  • Conventional Free Air thermal Current - Solid Links: 400 A

Frequently Asked Questions

What is the maximum rated voltage for this fuse-switch disconnector?

The maximum rated voltage AC IEC for this device is 690 V.

Can this fuse-switch disconnector be used for DC applications?

This model is specified for AC use; however, the utilization category includes DC 21 B @ Ue = DC 440 V with Ie = 250 A, indicating some DC compatibility.

What type of mounting does this product support?

It supports bottom fitting or panel mounting for secure installation.

What is the short circuit current rating (SCCR) of this device?

The SCCR is up to 80kA at various voltages, including AC 400 V and AC 500 V for 250 A.

How many poles does this fuse-switch disconnector have?

This product features 3-pole switching capability.

Common Search Terms

NH fuse switch disconnector, MULTIBLOC size 1, 250A fuse switch, 3-pole fuse switch, bottom fitting fuse switch, screw clamp strap M10, IEC fuse switch disconnector, industrial fuse switch, high current fuse switch

More Information
Manufacturer Part Number V1023058
Packed Quantity 1
Barcode 4027597029654
Height 110.5mm
Width 185mm
Depth 246mm
HS Code 85365080
Country of Manufacture Hungary
Manufacturer Mersen
Alternative Product SKU 1.001.239
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