SPEF 3A2 C Line Fault Indicator Product Guide

This document describes the SPEF 3A2 C, a versatile multifunction line fault indicator for distribution networks, capable of detecting overcurrent, earth faults, and phase unbalance. It details features such as definite time operation, two available current sensors, serial communication, and analog/digital outputs, along with its application in disconnector terminal units for fault location and remote control.