Thytronic NA10

APPENDIX
141
NA10 - Manual - 04 - 2022
NA10-SCH4.ai
NA10
L1
L2
L3
BINARY INPUTS
A19
IN1
IN2
A20
A21
A22
C2
C1
C3
C4
C5
C6
P1
S1
S2
P2
I
L1
I
L2
I
L3
I
E
C7
C8
CB position
50N/51N
50/51
74CT
50BF
Three phase CTs and residual current from common return of phase CTs (Holmgreen)