Siemens 7SR12 Argus User Manual

7SR11 & 7SR12 Installation Guide
©2017 Siemens Protection Devices Limited Chapter 5 Page 25 of 32
Ia, Ib, Ic
ISEF
CT/VT CONFIG:
Phase Current
Input
Phase CT Ratio
2 Phase CT
only. For
application on
isolated or
compensated
networks.
Phase
Overcurrent
Measured SEF
Selects 1 or 5A
CT ratio for
primary meters
1A
5A
ISEF
A25
A26
A27
A28
Ic
Ib
1A
5A
A21
A22
A23
A24
1A
5A
A17
A18
A19
A20
Ia
1A
5A
A13
A14
A15
A16
A B C
S2 S1
P2 P1
Direction of power flow
In the forward direction
S2 S1
P2 P1
Ia, Ib, Ic
In
Ig
CT/VT CONFIG:
Phase Current
Input
Phase CT Ratio
Phase
Overcurrent
Derived E/F
Measured
Standby E/F
Selects 1 or 5A
CT ratio for
primary meters
1A
5A
Ig
A25
A26
A27
A28
Ic
Ib
1A
5A
A21
A22
A23
A
24
1A
5A
A17
A18
A19
A20
Ia
1A
5A
A13
A14
A15
A16
A B C
S2 S1
P2 P1
Direction of power flow
In the forward direction
S1 S2
Transformer Neutral
CT
Standby EF

Siemens 7SR12 Argus Specifications

General

Brand	Siemens
Model	7SR12 Argus
Category	Protection Device
Language	English