Thytronic NC20 - APPENDIX B3- Connection Diagrams

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NC2 0 - Manual - 01 - 2015
APPENDIX
8.6 APPENDIX B3- Connection diagrams
Note: Some typical connection diagram are shown.
All diagram must be considered just as example; they cannot be comprehensive for real applications.
For all diagrams the output contacts are shown in de-energized state for standard reference.
NC20-sch1.ai
NC20
L1
L2
L3
ABAB
abab
I
N
C7
C8
P2 P1
S1S2
U
L1
U
L2
U
L3
B6
B3
B4
B5
B1
B2
27
59
46
49
37
50/51
50/51(RMS)
74CT
46N
BINARY INPUTS
50BF
CB position
50N/51N
Three phase CTs
C2
C1
C3
C4
C5
C6
P1
S1
S2
P2
I
L1
I
L2
I
L3