SE-703-0T-02 - SE-703 Series

Series: SE-703
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Operates on AC solidly grounded and AC resistance grounded systems.
The SE-703 is a microprocessor-based ground-fault relay for resistance and solidly-earthed systems. It offers sensitive ground-fault detection as low as 25 mA and can be used on systems with significant harmonic content. The SE-703 provides feeder-level protection or individual-load protection. The output contacts can be connected for use in protective tripping circuits or in alarm indication circuits. The analog output can be used with a PLC or a meter. The SE-703 is specifically designed to be Australian AS/NZS 2081 compliant.
Property (Mouseover for details) Value
Analog Output Voltage (V) 0-5
Approvals CSA; CE; UL; RCM
Relay Contacts 2 Form C
Supply Voltage (VDC) 48
IEEE Device Numbers 50G
Relay Contact Operating Mode Fail-safe/Non-fail-safe
Dimensions 3.0H X 2.2W X 4.5D

pdf icon SE-703 Datasheet

pdf icon SE-703 Manual

The SE-703 is a microprocessor-based earth-leakage monitor for ac power supply systems incorporating earthfault current limitation. Its output relay can operate in the fail-safe or non-fail-safe mode for undervoltage or shunt-trip applications.

pdf icon SE-703 Installation Guide

pdf icon SE-703 Manual Spanish

SE-701, 703, 704 3D Model

pdf icon SE-703 AS2081Test Report SE-703 r1

The SE-703 is a microprocessor-based earth-leakage monitor for resistanceearthed three-phase or single-phase systems...

pdf icon Lowering the Limites for Ground-Fault Detection

The limit to practical low-level ground-fault protection in industrial electrical systems is a function of physical parameters. Current sensing is the best method to detect and locate ground faults; however, system capacitance, unbalanced loads, current-sensor limitations, and harmonics affect current measurement and limit the lower level of practical ground-fault detection.