ABB RELION REX640 - Page 1942

Description Value
Voltage inputs Rated voltage 57...240 V AC
Voltage withstand:
• Continuous
• For 10 s
288 V AC
360 V AC
Burden at rated volt-
age
<0.05 VA
Table 1668: Table 9: Energizing Inputs (SIM1901)
Description Value
Current sensor input Rated current voltage 75 mV ... 9000 mV
3
Continuous voltage withstand 125 V
Input impedance at 50/60Hz 2...3 MΩ
4
Voltage sensor input Rated secondary voltage 346 mV…1733 mV
5
Continuous voltage withstand 50 V
Input impedance at 50/60Hz 3 MΩ
Table 1669: Energizing Inputs (SIM1902)
Description Value
Current sensor input Rated current voltage 75 mV ... 9000 mV
6
Continuous voltage withstand 125 V
Input impedance at 50/60Hz 2 MΩ
Voltage sensor input Rated secondary voltage 346 mV…2339 mV
7
Continuous voltage withstand 50 V
Input impedance at 50/60Hz 2 MΩ
Table 1670: Binary inputs
Description Value
Operating range ±20 % of the rated voltage
Rated voltage 24...250 V DC
Current drain 1.6...1.9 mA
Power consumption 31.0...570.0 mW
Table continues on the next page
3
Equals the current range of 40 … 4000 A with 80A, 3mV/Hz Rogowski
4
Depending on the used nominal current (hardware gain)
5
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.
6
Equals the current range of 40 … 4000 A with 80A, 3mV/Hz Rogowski
7
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.
Technical data 1MRS759142 F
1942 REX640
Technical Manual