VKY-500 series microcomputer protection and automation device is a new generation of microcomputer-based relay protection equipment specially developed by our company in order to meet the requirements of relay protection in power plants, substations and distribution stations of the power system. It provides complete protection functions for primary equipment such as overhead lines, cable lines, transformers, motors, capacitors with voltage levels of 35KV and below.

VKY-500 series microcomputer protection and automatic devices are composed of high integration, single chip microcomputer, high precision current and voltage transformer, high insulation strength intermediate relay, high reliability switching power supply module and other components. It has the advantages of high integration, complete protection configuration, strong anti-interference ability, low power consumption, and resistance to harsh environments. It is particularly suitable for direct decentralized installation on switch cabinets.

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