Lawson Fuses NH Fuse Series – Industrial Protection from the UK at Casadaa Distribution

Reliable Low-Voltage Fuse Links for Switchgear, Distribution Boards & Industrial Applications

At Casadaa Distribution, we proudly supply the full range of NH fuse links from Lawson Fuses Ltd., one of the UK’s leading manufacturers of low-voltage fuses and a member of the Lucy Group. The NH fuse series, also known as “knife blade fuse links,” is engineered to provide high-performance circuit protection in industrial installations, switchboards, transformers, and motor control systems.

With over 85 years of engineering expertise, Lawson Fuses manufactures NH fuses in accordance with IEC 60269-2 and DIN 43620, ensuring global compatibility and long-term safety.

🔍 Key Technical Data – Lawson NH Fuse Series

• Voltage rating:
  Up to 690 V AC / 440 V DC (depending on size and type)

• Current ratings:
  From 6 A to 1250 A

• Breaking capacity:
  Up to 120 kA at 690 V AC

• Sizes available:
  NH000, NH00, NH1, NH2, NH3, NH4

• Operating class:
  gG (general purpose fuse for cable and equipment protection)

• Standards compliance:
  IEC 60269-2, DIN 43620, VDE 0636

• Body material:
  Ceramic or high-performance thermoplastic, depending on variant

• Contact blades:
  Silver-plated copper or brass for low contact resistance

• Optional features:

  • Indicator flags

  • Microswitch versions (for remote fuse status monitoring)

⚙️ Typical Applications of NH Fuses

• Low-voltage distribution systems

• Motor protection and soft starters

• Switchgear and control panels

• Transformers and capacitor banks

• Photovoltaic (PV) installations (with DC-rated variants)

• Industrial machinery and automation

Lawson NH fuses are also widely used in renewable energy, railway, and data center infrastructure due to their durability and quick fault isolation capabilities.

🛒 Buy Original Lawson NH Fuses Online from Casadaa Distribution

Casadaa Distribution offers a wide selection of Lawson NH fuse links for OEMs, electrical contractors, and industrial maintenance teams. All items are genuine Lawson products, available from stock with fast delivery and volume pricing for bulk buyers.

Our experts can assist you in fuse selection, cross-referencing, and matching to existing switchgear.