Connection Diagram - ABB REU 523 Manual
Combined overvoltage and undervoltage relay
Hide thumbs
Also See for REU 523:
- Technical reference manual (69 pages) ,
- Technical reference manual (60 pages) ,
- Manual (10 pages)
Table of Contents
Advertisement
Connection
diagram
8
Combined overvoltage and undervoltage
relay
L1
L2
L3
A
N
n
a
BI
X2.1
X1.1
1
3
4
6 7
9
17 18
5
SGB1
6
SGB1
7
SGB1
8
SGB1
SGB1
1
SGB1
2
3 SGB1
Fig. 1
Connection diagram of the combined overvoltage and undervoltage relay
~
U aux
SO2
IRF
1
2
13 14 15
10 11 12
~
+
-
IRF
X
SGR1
START
3U>
SGR2
4
TRIP
SGR3
X
START
3U>>
SGR4
4
TRIP
SGR5
X
START
3U<
SGR6
4
TRIP
SGR7
X
START
3U<<
SGR8
4
TRIP
1MRS 751123-MBG
PC
SO1
PO2
PO1
5
6
3
4
7
8
9
X
2
1
3
X
X
X
2
1
3
X
X
X
1
2
3
X
X
X
2
1
3
X
X
REU 523
Rx
Tx
RER 103
ConD1_U_523
Advertisement
Table of Contents
