Siemens 7SR12 Argus Manual page 274

7SR11 & 7SR12 Installation Guide
Ia, Ib, Ic 50/51 - Phase
In Overcurrent
50N/51N -
Derived E/F
CT/VT CONFIG: Selects 1 or 5A
Phase Current CT ratio for
Input primary meters
Phase CT Ratio
Chapter 5 Page 22 of 32
A13
A14
A15
A16
A17
A B C
A18
A19
A20
A21
A22
A23
A24
A25
A26
A27
A28
©2017 Siemens Protection Devices Limited
1A
Ia
5A
1A
Ib
5A
1A
Ic
5A
1A
Ig
5A