PA620 Series Integrated Digital Relay

PA620 Series digital protection and control devices are designed for intelligent power distribution networks with voltage level up to 110kV. PA620 Series integrates multi-functions of protection, measurement, control, monitoring, com…

PA150 series Integrated Digital Relay

PA150 series integrated digital relay is a brand-new product of Nanjing Intelligent Apparatus Co., Ltd. (INT) based on long-term operation experience. It is combined with domestic and foreign advanced technology, closely integrat…

PA620-L4 Line Protection Device

PA620-L4 line longitudinal current differential protection device is a new type of routine and intelligent line protection device for 110 kV voltage level developed by INT, in strict accordance with the national grid standards. The …

PA620-B6 Bus Differential Protection Device

PA620-B6 bus differential protection device is suitable for double bus connection, double bus and double sectional connection, single bus connection and single bus sectional connection. It is equipped with bus (sectional) charging overc…

PA620-AR (AX) Arc Protection Device

PA620-AR (AX) arc protection device is developed and manufactured by Nanjing Intelligent Apparatus Co., Ltd. (INT), through summarizing the existing products operating experiences, and combining home and foreign advanced techn…

PA63 series Integrated Digital Relay

The PA63 series is an integrated digital device aligned for coal mine and subsurface power system of 10KV, 6KV and 3.3KV voltage levels. It offers integrated protection, measurement, communication and control functions. Due to it…