7SG11 Argus 2 Diagrams and Parameters
©2010 Siemens Protection Devices Limited
P20009 Page 6 of 37
Product description
Variants
Order No.
Directional O/C relay
7 S G 1 1 2
□
-
□ □ □
□ □
-
□
□
A 0
▲
▲
▲ ▲ ▲ ▲
▲ ▲
Ideal for directional overcurrent and earth
|
| | | | |
| |
fault protection of solid ring systems
|
| | | | |
| |
utilising the fully independent
Number of elements
|
| | | | |
| |
bi-directional feature.
Single pole relay
1
| | | | |
| |
| | | | |
| |
Auxiliary
supply/binary input voltage
| | | | |
| |
24/30/48 V DC auxiliary, 30 V binary input
0
| | | |
| |
110/220 V DC auxiliary, 30 V binary input
1
| | | |
| |
24/30/48 V DC auxiliary, 48 V binary input
2
| | | |
| |
110/220 V DC auxiliary, 48 V binary input
1
)
3
| | | |
| |
110/220 V DC auxiliary, 110 V low burden binary input
4
| | | |
| |
110/220 V DC auxiliary, 220 V low burden binary input
5
| | | |
| |
| | | |
| |
Type of elements
| | | |
| |
Single pole earth-fault directional
G
| | |
2
|
Single pole earth-fault directional
G
| | |
3
|
Single pole sensitive/restricted directional earth-fault (SEF/REF)
H
| | |
2
|
Single pole sensitive/restricted directional earth-fault (SEF/REF)
H
| | |
3
|
| | |
| |
Nominal
current
| | |
| |
1/ 5 A
A
| |
| |
| |
| |
I/O
range
| |
| |
1 Binary Input / 7 Binary Outputs (incl. 3 changeover)
0
|
| |
|
| |
Communication
interface
|
| |
Fibre optic (ST-connector) / IEC 60870-5-103 or Modbus RTU
1
| |
RS485 interface / IEC 60870-5-103 or Modbus RTU
2
| |
| |
Directional
measurement
characteristic angle (CA)
| |
0º, -15º, -45º, -65º for earth faults
2
|
0º, -15º, -45º, -90º for earth faults
3
|
|
Housing
size
|
Case size E4 (4U high)
C
1
)
High burden 110V & 220V binary inputs compliant with ESI48-4 ESI 1 available via external dropper resistors with 48V binary input version
for 1 binary input and 110 V application, order resistor box VCE:2512H10066 in addition
for 1 binary input and 220 V application, order resistor box VCE:2512H10068 in addition
Refer to website for application note about ESI48-4 compliance
Ordering Information – 7SG1121 Argus 2