Single-phase voltage measurement (VAMMXU) - 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. Single-phase voltage measurement (VAMMXU)
Characteristic Value
Operation accuracy

Depending on the frequency of the voltage measured: fn ±2 Hz

At voltages in range 0.01…1.15 × Un

±0.5% or ±0.002 × Un

Suppression of harmonics

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

RMS: No suppression