7SG11 Documentation Set
©2013 Siemens Protection Devices Limited
Page
8 of 16
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.
Three pole relay
3
| | | | |
| |
| | | | |
| |
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
| | | |
| |
3 pole phase-fault directional
J
| | |
1 E
2 pole phase-fault directional and sensitive/restricted
earth-fault (SEF/REF)
K
|
|
|
|
|
|
1 E
2 pole phase-fault directional and earth-fault directional or
2 pole phase-fault directional and earth-fault
L
|
|
|
|
|
|
4 E
2 pole phase-fault directional and earth-fault directional or
2 pole phase-fault directional and earth-fault
L
|
|
|
|
|
|
5 E
2 pole phase-fault and earth-fault directional
M
| | |
2 D
2 pole phase-fault and earth-fault directional
M
| | |
3 D
| | |
| |
Nominal current
| | |
| |
1/ 5 A
A
| |
| |
| |
| |
I/O range
| |
| |
5 Binary Inputs / 11 Binary Outputs (incl. 3 changeover)
1
|
| |
9 Binary Inputs / 7 Binary Outputs (incl. 3 changeover)
2
|
| |
|
| |
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)
| |
+30º, +45º for phase faults
1
|
0º, -15º, -45º, -65º for earth faults
2
|
0º, -15º, -45º, -90º for earth faults
3
|
+30º, +45º for phase faults and 0º, -15º, -45º, -65º for earth faults
4
|
+30º, +45º for phase faults and 0º, -15º, -45º, -90º for earth faults
5
|
|
Housing size
|
Case size E6 (4U high)
D
Case size E8 (4U high)
E
1
)
High burden 110V & 220V binary inputs compliant with ESI48-4 ESI 1 available via external dropper resistors with 48V binary input version
for 5 binary inputs and 110 V application, order resistor box VCE:2512H10065 in addition
for 9 binary inputs and 110 V application, order resistor box VCE:2512H10064 in addition
for 5 binary inputs and 220 V application, order resistor box VCE:2512H10067 in addition
for 9 binary inputs and 220 V application, order two resistor boxes VCE:2512H10067 in addition
Refer to website for application note about ESI48-4 compliance
Ordering Information – 7SG1123 Argus 2