
APPENDIX
93
NA011 - Manual - 05 - 2022
C7
C8
I
E
NA011#xxx1
NA011#xxx3
50N
/
51N
50N
/
51N
LPCT
s CURRENT INPUTS
I
L1
I
L2
I
L3
P1
4
6
+
-
4
6
+
-
4
6
+
-
P2
S1
S2
L1
L2
Setting
LPCT
800 A
400 A
200 A
100 A
50 A
L3
In=50...1250A
NA
011
P1
S1
S2
P2
C7
C8
RS232
FRONT PANEL
A13
IN1
IN2
IN3
A14
A15
A16
A17
A18
U
AUX
A19
≅
A20
A22
A21
B-
E1
RS485
1
2
3
120Ω
A+
DG
52a
52b
-
U
AUX
-
U
AUX
+
U
AUX
+
U
AUX
79 IN3 Select
79 Enable/79 External trip
CB position
OUTPUT RELA
YS
A9
A8
A7
K2
A5
A4
A6
K1
A11
A12
A10
K4
A3
A2
A1
K3
alternative versions
to be selected when ordering
Example of connection diagram with low power CT inputs and acquisition of CB states and Auto Reclose enable/start