Mersen NH3GG50V250 NH Fuse Link, 250A, 500V AC, gG Class, Size 3, Combined Indicator

The Mersen NH3GG50V250 is a high-performance NH fuse link designed for cable and line protection in industrial installations. With a rated current of 250 A and voltage rating of 500 V AC, this size 3 fuse link offers reliable overcurrent protection. It features a combined indicator (front and top) for easy visual status identification, ensuring quick maintenance and safety.

Advantages

This fuse link provides excellent breaking capacity of 120 kA, ensuring safe interruption of fault currents. The ceramic body and silver-plated copper contacts guarantee durability and low power dissipation of 28 W. Compliant with IEC 60269-2 and VDE 0636-2 standards, it meets rigorous quality and safety requirements.

Suitable for

• Cable and line protection in industrial electrical systems
• Switchgear and distribution boards
• Motor protection and general purpose applications (gG class)

Key specifications

• Fuse Type: NH Fuse Link
• Size: NH3 (Size 3)
• Rated Current: 250 A
• Rated Voltage AC: 500 V AC
• Rated Voltage DC: 250 V DC
• Operating Class: gG (General Purpose)
• Breaking Capacity: 120 kA
• Indicator: Combined (Front & Top)
• Power Dissipation: 28 W
• Body Material: Ceramic
• Contact Material: Silver-plated Copper
• Operating Temperature: -5°C to +40°C
• Rated Frequency: 50/60 Hz
• Standard Compliance: IEC 60269-2, VDE 0636-2

Recommendations

For optimal performance, ensure proper mounting with blade contacts and verify compatibility with your fuse holder. Always replace with the same type and rating. Store in a dry, clean environment within the specified temperature range.