Mersen NH2 224A Fusible 1B273

The Mersen 1B273 NH2 fuse link is a high-performance, general-purpose fuse designed for the protection of cables, lines, and equipment in industrial and commercial installations. With a rated current of 224 A and a rated voltage of 500 V AC, this fuse offers reliable short-circuit and overload protection. Its compact NH2 size and blade contacts ensure easy installation in standard fuse bases.

Advantages

High breaking capacity of 120 kA ensures safety under fault conditions. Silver-plated copper contacts provide excellent conductivity and corrosion resistance. The top indicator allows quick visual identification of a blown fuse, reducing downtime. Compliant with IEC 60269-2, ensuring international standards.

Suitable for

• Protection of cables and lines in industrial power distribution
• Protection of electrical equipment in commercial buildings
• Use in switchboards, distribution boards, and motor control centers

Key specifications

• Fuse Size: NH2
• Rated Current: 224 A
• Rated Voltage: 500 V AC
• Operating Class: gG (General Purpose)
• Breaking Capacity: 120 kA
• Indicator Type: Top Indicator
• Mounting Type: Blade Contacts
• Body Material: Ceramic
• Contact Material: Silver-plated Copper
• Power Dissipation: 27 W
• Operating Temperature Range: -5°C to +40°C
• Certification: CE, RoHS Compliant

Recommendations

For optimal performance, ensure the fuse is installed in a compatible NH2 fuse base and that the system voltage does not exceed 500 V AC. Always replace with the same type and rating.