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MERSEN FUSE NH 1 250A 690V AM R227899

MPN: R227899

Alt. SKU: NH1AM69V250

Special Price £15.01 £12.51 Regular Price £27.29

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MERSEN FUSE NH 1 250A 690V AM R227899 is available to buy in increments of 3
Free delivery on orders over £200

Why Choose the DIN NH Standard Fuse-Link aM Size NH1 690VAC 250A Live Tags Double Indicator Body Width 40 mm NH1AM69V250?

This high-performance DIN NH1-size fuse-link is rated for 690VAC and 250A, making it ideal for heavy-duty industrial motor protection. The aM characteristic ensures fast, reliable disconnection of overloads while tolerating high inrush currents.

Featuring robust live tags, a highly visible double indicator for immediate fault detection, and a compact 40 mm body width, the NH1AM69V250 guarantees efficient installation and rapid maintenance in demanding power distribution environments.

Product Code: NH1AM69V250

Key Benefits

  • High breaking capacity of 80 kA ensures reliable protection in industrial environments.
  • aM characteristic provides fast disconnection for motor protection, tolerating high inrush currents.
  • Double indicator system offers clear and immediate fault detection for quick maintenance.
  • Compact 40 mm body width allows space-saving installation in power distribution panels.
  • Silver-plated copper terminals ensure excellent conductivity and durability.
  • Ceramic insulating body enhances thermal stability and safety.

Compatibility

This fuse-link is compatible with NH1 fuse bases and holders designed for DIN NH standard fuses. It fits clip mounting systems and is suitable for use in low voltage IEC fuse applications, particularly in industrial motor circuits and power distribution units.

Applications

  • Industrial motor protection
  • Power distribution panels
  • Heavy-duty electrical installations
  • Low voltage IEC fuse systems
  • Overload and short-circuit protection in commercial and industrial settings

Technical Specifications

  • Item number: R227899
  • Catalogue No: NH1AM69V250
  • Description: DIN NH Standard fuse-link aM Size NH1 690VAC 250A live tags Double indicator Body width 40 mm
  • EAN/UPC Code: 8430399025162
  • Rated voltage AC IEC: 690 V
  • Ampere Rating: 250 A
  • RoHS Compliant: Yes
  • AC or DC: AC
  • Speed/Characteristic: aM
  • Fuse Size: NH1
  • Mounting: Clip
  • AC Max I.R./Breaking Capacity: I1: 80 kA
  • Design Details: live tags
  • Indication System: Yes
  • Indication System Type: Double indicator
  • Connection/Terminal Material: Silver-Plated Copper
  • Connection/Terminal Type: Plain Blades
  • Product Width: 40 mm
  • Product Length: 135 mm
  • Product Height: 64 mm
  • Sell Pack Quantity: 3 EA
  • Sell Pack Weight: 1.29 kg
  • Sell Pack Width: 125 mm
  • Sell Pack Length: 140 mm
  • Sell Pack Height: 70 mm
  • Product group: Low Voltage IEC Fuses
  • Body/Insulating Material: Ceramic
  • Product Weight: 0.43 kg
  • Power Dissipation at Rated Current Value: 17.5 W

Frequently Asked Questions

What does the aM characteristic mean?

The aM characteristic indicates that the fuse is designed for motor protection, providing fast disconnection of overloads while tolerating the high inrush currents typical of motor starting.

Is this fuse-link suitable for DC applications?

No, this fuse-link is rated for AC applications only, specifically up to 690 V AC as per IEC standards.

What is the significance of the double indicator?

The double indicator provides a clear visual signal when the fuse has blown, allowing for quick identification and replacement.

Can this fuse be used with standard NH1 fuse bases?

Yes, it is designed to fit NH1 fuse bases with clip mounting, ensuring compatibility with standard DIN NH fuse holders.

Common Search Terms

DIN NH fuse-link 690VAC 250A, NH1 fuse aM characteristic, industrial motor fuse, double indicator fuse, ceramic body fuse-link, high breaking capacity fuse, low voltage IEC fuse NH1, live tags fuse-link

More Information
Manufacturer Part Number R227899
Packed Quantity 3
Barcode 8430399025162
Height 135mm
Width 40mm
Depth 64mm
HS Code 85361090
Country of Manufacture Hungary
Manufacturer Mersen
Alternative Product SKU NH1AM69V250
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