Figure 1-6 Functional Diagram of 7SR1204-2_A12-_CA0 Relay
Figure 1-7 Functional Diagram of 7SR1204-4_A12-_CA0 Relay
©2012 Siemens Protection Devices Limited
7SR1204-4_A12-_CA0
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37
64H
SEF
(x2)
(x4)
I1
27
VL1
59
(x4)
27
81
VL2
59
(x4)
(x4)
27
VL3
59
(x4)
86
7SR11 & 7SR12 Description Of Operation
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SEF
(x4)
59N
(x2)
74
74
CCS
TCS
(x3)
(x3)
Chapter 1 Page 12 of 76