Siemens NH Fuse 200A Current Rating NH1 Size 500V AC SENTRON Series 3NA3140

Siemens 3NA3140 NH Fuse is a 200A current rated NH1 size fuse operating at 500V AC, part of the reliable SENTRON series. It is engineered for robust electrical circuit protection with a blade contact design and gG characteristics, suitable for heavy-duty industrial and commercial electrical systems.

This fuse provides high rupture capacity of 120 kA, ensuring safe disconnection under fault conditions in power distribution and motor protection applications. Its silver-plated, non-corroding switching contacts enhance electrical performance and durability, minimizing maintenance needs.

Designed to operate in environmental conditions ranging from -5°C minimum to 60°C maximum temperature, the fuse is well-suited for use in harsh industrial environments. Its compact dimensions, 132.6 mm length and 47 mm width, facilitate installation in limited spaces within switchboards and control panels.

Compatible with both AC and DC operations for versatile use. High rupture capacity ensures safety during electrical faults. Blade type tag fuse for straightforward fitting and replacement. Non-corroding, silver-plated contacts improve conductivity and reliability.

Operates efficiently across wide temperature and humidity ranges. Adheres to IEC EN 60269 and national standards DIN VDE and CSA certifications. Ideal for electrical protection in industrial automation and power distribution.

Protects motors and transformers effectively from overcurrent faults. Environmentally considerate design with a global warming potential of 31.1 kg CO2 equivalent.

This Siemens NH Fuse is manufactured in Greece and represents a dependable solution for high-performance electrical safety. It is essential equipment for engineers and technicians working in industrial, commercial, and residential electrical installations.

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