Energizing inputs (sensors) - Arc protection - Merging unit - Motor protection - Product Guide - REM620 Motor Protection and Control - Relion Protection and Control - 2.0 FP1 IEC - IEC - 04.04.2023

REM620 Product Guide
Table 1. Energizing Inputs (SIM0002)
Description Value
Current sensor input Rated current voltage 75 mV ... 9000 mV 1
Continuous voltage withstand 125 V
Input impedance at 50/60Hz 2...3 MΩ 2
Voltage sensor input Rated secondary voltage 346 mV…1733 mV 3
Continuous voltage withstand 50 V
Input impedance at 50/60Hz 3 MΩ
Table 2. Energizing Inputs (SIM0005)
Description Value

Current sensor input

Rated current voltage

75 mV ... 9000 mV 1

Continuous voltage withstand

125 V

Input impedance at 50/60Hz

2 MΩ

Voltage sensor input

Rated secondary voltage

346 mV…2339 mV 4

Continuous voltage withstand

50 V

Input impedance at 50/60Hz

2 MΩ
1 Equals the current range of 40 … 4000 A with 80A, 3mV/Hz Rogowski
2 Depending on the used nominal current (hardware gain)
3 Covers 6 kV … 30 kV sensors with division ratio of 10 000:1. Secondary voltages 600mV/√3 … 3 V / √3. Range up to 2 x Rated.
4 Covers 6 kV … 40.5 kV sensors with division ratio of 10 000:1. Secondary voltages 600mV/√3 … 4.05V / √3. Range up to 2 x Rated.