Cartucho de fusível NH SIEMENS, tamanho 3, 200 A, 500 V AC/440 V DC, gG, indicador frontal, corpo de cerâmica, contactos de cobre prateados 3NA3340

Industrial electricians and maintenance engineers rely on this NH fuse link in low-voltage power distribution systems to protect cables and lines from overloads and short circuits. It is a size NH3 fuse link rated at 200 A, suitable for 500 V AC and 440 V DC networks, with a gG operating class for general-purpose protection.

Key specifications

• Fuse type: NH fuse link, size NH3
• Rated current: 200 A
• Rated voltage: 500 V AC / 440 V DC
• Operating class: gG (general purpose)
• Breaking capacity: 120 kA AC / 25 kA DC
• Power loss at rated current: 22 W
• Body material: ceramic
• Contact material: silver-plated copper
• Mounting: fuse base or fuse switch disconnector
• Indicator: front indicator
• Application: cable and line protection, industrial installations
• Ambient operating temperature: -5 °C to +40 °C

Why choose it

This fuse link provides reliable protection in demanding industrial environments. Its high breaking capacity and robust ceramic body ensure dependable operation, while the front indicator allows quick identification of a blown fuse.

Ideal use cases

• Protecting main feeders and distribution circuits in industrial plants
• Motor and transformer protection in low-voltage switchgear
• DC applications such as battery systems and UPS

Good to know

Compliant with IEC 60269-2, this fuse link is designed for use with standard NH fuse bases and switch disconnectors.