40.5Kv Oil Immersed Type Transformer Fuse Protection Germany DIN Standard

XRNT4-15.5, XRNT4-24, XRNT4-40.5 High voltage fuses for oil immersed transformer backup protection

The series high voltage current limiting fuses of XRNT4-15.5, XRNT4-24, XRNT4-40.5 for oil immersed transformer protection, they are suitable for rated AC power of 50Hz, rated voltage of 15.5kV, 24kV, 40.5kV power system.

As a power transformer and other power equipment short circuit fault protection element. The fuse is installed in the transformer oil of the American transformer , which can be used in the same box with load switch of transformer .

The high voltage current limiting fuse can be connected in series with the high voltage transformer overload protection fuse to form the high voltage current limiting fuse of full range protection. The high voltage fuse will break the circuit , when the overload current exceeds the specified value for a little time. The high voltage backup fuse will break the short circuit current , when the wrong current passes through the fuse .The product can be widely used in equipment distribution protection of wind power generation, solar power generation, tidal power generation and so on .

This product has the characteristics of not causing any pollution to transformer oil when breaking short circuit current, stable time-current characteristic curve, significant current limiting characteristics of backup fuse, strong breaking ability, the maximum breaking current can reach 50kA.
1. Model and meaning :

2.Time-current characteristic curve of XRNT4 fuse as below :

3. Cooper model number :

Xi 'an Wuhuan Special Fuse Co., Ltd. is a high-technology manufacturer company established by Wuhuan Electric Group in Xi 'an, Shaanxi Province, China's high voltage electric production base in 2000. It mainly engaged in the development, design, manufacture, sales and service of fuses and other high voltage appliances. The main products of the company are high-voltage current limiting fuses, which are used in indoor 50HZ/60HZ power systems with rated voltage of 3.6-40.5KV. As American power transformer, Europe type power transformer, high voltage motor, voltage transformer, power capacitors and other electric equipment overload and short circuit protection, and in other appliances such as: load switch, vacuum contactor etc, protection circuit and complete sets of electrical equipment from damage by excessive overload current and short circuit current. The company has high-quality technical personnel, professional fuse manufacturing and testing equipment and advanced modern enterprise management concept, its product categories, production scale and sales revenue are growing at a high speed. Wuhuan Company implements ISO9001:2000 quality system standard, uses MCAD development and design, with the help of Intuitive ERP and advanced testing equipment to ensure the reliability of production and high quality products. All the products have passed the type test of the national high voltage electrical apparatus quality supervison and inspection center ,and are in line with the national GB/T15166.2 standard and IEC60282 standard of the International Electrotechnical Commission.