ABB REU 523 - Page 48

48
1MRS 750942-MUM
Combined Overvoltage and Undervoltage Relay
Technical Reference Manual
REU 523
)LJ 5HDUYLHZRIWKHUHOD\
*
)
Note that the wiring has to be done identically for each of the matching transformers used.
Table 4.2.1-1 Inputs for voltages
Terminal Function
X1.1-1
U
12
*
)
X1.1-3 U
12
X1.1-4
U
23
*
)
X1.1-6 U
23
X1.1-7
U
31
*
)
X1.1-9 U
31
Table 4.2.1-2 Auxiliary supply voltage
Terminal Function
X2.1-1 Input+
X2.1-2 Input-
Rear523