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MERSEN FUSE MB1 250A 3P 1.000.299 1.000.299

MPN: S229878

Alt. SKU: 1.000.299

Special Price £120.29 £100.24 Regular Price £218.70

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

The MULTIBLOC® Size 1 250A 3-Pole NH fuse-switch disconnector is engineered for reliable power distribution and circuit protection in industrial switchgear applications. Its robust construction ensures safe and precise isolation, with bottom fitting and M10 screw panel connections for secure and straightforward installation.

Designed for demanding environments, this device supports high current ratings up to 250A, offering dependable performance and fast fuse replacement. Trust the MULTIBLOC® for enhanced safety, minimal downtime, and straightforward integration into your control panels.

Technical Specifications

  • Item number: S229878
  • Catalogue No: 1.000.299
  • Description: NH fuse-switch disconnector MULTIBLOC® Size 1 250A 3-Pole switching Bottom Fitting/panel Connection Screw M10
  • EAN/UPC Code: 4027597026691
  • 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
  • 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

Product Code: S229878

Key Benefits

  • Reliable power distribution and circuit protection up to 250A
  • Robust construction for safe and precise isolation
  • Bottom fitting and M10 screw panel connection for secure installation
  • Supports fast fuse replacement to minimise downtime
  • High short circuit current rating for enhanced safety
  • Compatible with IEC standards for industrial switchgear

Compatibility

This NH fuse-switch disconnector is compatible with MULTIBLOC® Size 1 fuse links and designed for integration into industrial control panels and switchgear systems requiring 3-pole switching and 250A current ratings. It suits applications adhering to IEC standards and supports both AC 50/60 Hz systems up to 690 V.

Applications

  • Industrial power distribution panels
  • Switchgear assemblies requiring fuse-switch disconnectors
  • Electrical isolation in manufacturing plants
  • Protection of motors, transformers, and cables
  • Control panels in commercial and industrial facilities

Frequently Asked Questions

What is the maximum current rating of this fuse-switch disconnector?

The maximum ampere rating is 250 A, suitable for industrial applications requiring this current level.

Can this device be used for DC applications?

This particular model is designed for AC applications only, as indicated by the AC or DC specification.

What type of mounting does this product support?

The product supports bottom fitting and panel mounting with M10 screw connections for secure installation.

Is this fuse-switch disconnector suitable for high short circuit currents?

Yes, it has a short circuit current rating (SCCR) of up to 80kA at AC 400 V and 500 V, providing robust protection.

How many poles does this switch disconnector have?

This product features 3-pole switching for comprehensive circuit isolation.

Common Search Terms

NH fuse-switch disconnector, MULTIBLOC Size 1, 250A fuse switch, 3-pole disconnector, industrial fuse switch, IEC fuse switch disconnector, bottom fitting fuse switch, M10 screw connection, high current fuse switch, circuit protection device

More Information
Manufacturer Part Number S229878
Packed Quantity 1
Barcode 4027597026691
Height 110.5mm
Width 185mm
Depth 246mm
HS Code 85365080
Country of Manufacture Hungary
Manufacturer Mersen
Alternative Product SKU 1.000.299
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