Siemens 7SR18 Solkor - Figure 1.4-1 Functional Diagram of 7 SR18 Non-Directional Three-Phase and Earth

7SR18 Description Of Operation
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37 (x2) 49
50
BF
IL1
37 (x2) 49
50
BF
IL2
37 (x2) 49
50
BF
IL3
I4
50
(x2)
51
(x2)
50
(x2)
50
(x2)
51
(x2)
51
(x2)
50G
(x2)
51G
(x2)
50 BF
NOTE: The use of
some functions are
mutually exclusive
81HBL2
37G (x2)
87L
Diff (x2)
87L
Diff (x2)
87L
Diff (x2)
81HBL2
60
CTS
51N
(x2)
50N
(x2)
51c (x2)
46
NPS
(x2)
46
BC
81HBL2
81HBL2
51c (x2)
51c (x2)
74TCS
(x3)
74CCS
(x3)
86 79
Ordering Options
Figure 1.4-1 Functional Diagram of 7SR18 Non-Directional Three-Phase and Earth