ABB REF601 CEI - Relay connection diagram

1MDU07205-YN rev. F
REF601 CEI
User’s manual
69
6.7 Relay connection diagram
Installation and commissioning
Fig. 41 – Connection diagram for relay REF601
REF601
XK5
XK6
XK7
IL1
DIFF
IL2
DIFF
IL3
DIFF
XK8
1
2
Io (1A)
XK4
1
2
BI : Remote Control
3
4
BI : Remote Reset
XK1
1
2
BI : Breaker Close
3
4
BI : Breaker Open
Uaux
1
2
XK9
3
4
XK10
1
2
Trip1
XK2
1
2
E/F
Trip
3
4
5
6
O/C
Trip
Unit
Ready
7
8
Bkr.
Close
9
10
Trip2
XK3
1
2
4
5
3
B - OUT
B + OUT
G GND
A - IN
A + IN
on Modbus RTU
Communication
Protocol (Optional)
SHIELD