SPAC 539 C Feeder Terminal User Manual and Technical Description

This document is a user manual and technical description for the SPAC 539 C integrated feeder terminal, a cubicle-based protection and remote control interface unit for electrical substations. It details the terminal's protection functions (overcurrent, earth-fault, residual overvoltage), auto-reclosing, control, measurement, and serial communication capabilities, along with mounting, connection, and technical data.