Three-phase current measurement (CMMXU) - Arc protection - Merging unit - Motor protection - Product Guide - REM620 Motor Protection and Control - 2.0 FP1 IEC - IEC - 09.02.2023

REM620 Product Guide

Table 1. Three-phase current measurement (CMMXU)
Characteristic Value
Operation accuracy Depending on the frequency of the measured current: fn ±2 Hz

±0.5% or ±0.002 × In

(at currents in the range of 0.01...4.00 × In)

Suppression of harmonics

DFT: -50 dB at f = n × fn, where n = 2, 3, 4, 5,…

RMS: No suppression