ABB REF611 User Manual

3.3 Connection diagrams
REF611
1) Optional
2) The IED features an automatic short-circuit
mechanism in the CT connector when plug-in
unit is detached
16
17
19
18
X100
6
7
8
9
10
11
12
13
15
14
2
1
3
4
5
22
21
23
24
SO2
TCS2
PO4
SO1
TCS1
PO3
PO2
PO1
IRF
+
-
Uaux
20
X130
1
2
3
4
5
6
BI 4
BI 3
BI 2
BI 1
BI 6
BI 5
8
9
7
X130
12
10
11
15
13
14
18
16
17
SO3
SO2
SO1
1)
1)
2)
X120
1
2
3
4
5
6
7
8
9
10
11
12
13
14
Io
IL1
IL2
BI 3
BI 2
BI 1
Uo
IL3
1/5A
N
1/5A
N
1/5A
N
1/5A
N
60 -
N
210V
L1
L2
L3
da dn
S1
S2
P1
P2
P2
P1
S1
S2
A
N
Positive
Current
Direction
GUID-EAC6CB29-0D2C-4714-9273-72694FB77E90 V1 EN
Figure 12: Connection diagram for configuration A
1MRS757456 D Section 3
REF611 standardized configurations
REF611 31
Application Manual

ABB REF611 Specifications

General

Brand	ABB
Model	REF611
Category	Protection Device
Language	English