SEG MCA4 Directional Feeder Protection 1A/5A 800V

Door mounting, 8 digital inputs, 7 output relays, phase current 1A/5A, voltage measuring 800V, IEC 61850 / Modbus TCP / DNP3.0 TCP/UDP, Ethernet RJ45, IEC 60870-5-103 / Modbus RTU / DNP3.0 RTU, RS485, Terminals


The MCA4 is a precise and reliable protection, control and monitoring relay for feeder, grid and generator applications. The latest generation series from Woodward (formely SEG), the MCA4 incorporates all the ANSI and IEC concepts to comply with ever changing grid interconnection requirements. Flexibility in hardware, software, application, user interface and communications makes the MCA4 adaptable to requirements today and in the future. The protection functions of the MCA4 have been adapted to comply with the requirements of the VDE‑AR‑N‑4110/4120:2018. The parameterizing and analyzing software Smart view is usable for each HighPROTEC device and free of charge.