SPAC 310 C and SPAC 312 C Feeder Terminal User Manual

This document is a user manual and technical description for the SPAC 310 C and SPAC 312 C feeder terminals, which serve as cubicle-based protection and remote control interface units for electrical feeders. It details the units' protection, control, measurement, and serial communication functions, including overcurrent and earth-fault protection, local/remote control, interlocking, and self-supervision.