ABB Relion 650 Series Technical Manual page 660

Section 16
IED hardware
654
[V]
300
176
144
88
72
38
32
19
17
24/30V
IEC06000391 V2 EN-US
Figure 292: Voltage dependence for the binary inputs
Operation
Operation uncertain
No operation
IEC99000517-ABC V1 EN-US
This binary input module communicates with the Numerical module (NUM).
The design of all binary inputs enables the burn off of the oxide of the relay contact
connected to the input, despite the low, steady-state power consumption, which is
shown in figure 293 and 294.
48/60V 110/125V
1MRK 511 424-UEN B
220/250V
xx06000391-2-en.vsd
Bay control REC650 2.2 IEC
Technical manual