Siemens 7SR12 Argus - Figure 1-4 Functional Diagram of 7 SR1103-3_A

7SR11 & 7SR12 Description Of Operation
Chapter 1 Page 12 of 88 ©2017 Siemens Protection Devices Limited
7SR1103-3_A12-_DA0
46
BC
46
NPS
(x2)
37
(x2)
49
50
BF
IL1
37
(x2)
49
50
BF
IL2
37
(x2)
49
50
BF
IL3
60
CTS
I4
50
(x2)
50
AFD
(x2)
50N
(x2)
50
(x2)
50
(x2)
50
AFD
(x2)
50
AFD
(50)
51N
(x2)
50
SEF
(x2)
51
SEF
(x2)
50
BF
79
NOTE:
The use of some functions
are mutually exclusive
64H
81H
BL2
51c
74
CCS
(x3)
74
TCS
(x3)
37
86
46
BC
46
NPS
(x2)
60
CTS
51
(x2)
51
(x2)
51
(x2)
51N
(x2)
81H
BL2
Figure 1-4 Functional Diagram of 7SR1103-3_A_ _-_DA0 Relay