7SG11 Argus 2 Diagrams and Parameters
©2010 Siemens Protection Devices Limited
P20009 Page 8 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
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fault protection of solid ring systems
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utilising the fully independent
Number of elements
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bi-directional feature.
Four pole relay
4
| | | | |
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Auxiliary
supply/binary input voltage
| | | | |
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24/30/48 V DC auxiliary, 30 V binary input
0
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110/220 V DC auxiliary, 30 V binary input
1
| | | |
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24/30/48 V DC auxiliary, 48 V binary input
2
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110/220 V DC auxiliary, 48 V binary input
1
)
3
| | | |
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110/220 V DC auxiliary, 110 V low burden binary input
4
| | | |
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110/220 V DC auxiliary, 220 V low burden binary input
5
| | | |
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Type of elements
| | | |
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3 pole phase-fault directional and sensitive/restricted
earth-fault (SEF/REF)
N
|
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1 E
3 pole phase-fault directional and earth-fault directional or
3 pole phase-fault directional and earth-fault
P
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4 E
3 pole phase-fault directional and earth-fault directional or
3 pole phase-fault directional and earth-fault
P
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5 E
3 pole phase-fault and earth-fault directional
Q
| | |
2 D
3 pole phase-fault and earth-fault directional
Q
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3 D
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Nominal
current
| | |
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1/ 5 A
A
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I/O
range
| |
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5 Binary Inputs / 11 Binary Outputs (incl. 3 changeover)
1
|
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9 Binary Inputs / 7 Binary Outputs (incl. 3 changeover)
2
|
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Communication
interface
|
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Fibre optic (ST-connector) / IEC 60870-5-103 or Modbus RTU
1
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RS485 interface / IEC 60870-5-103 or Modbus RTU
2
| |
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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 – 7SG1124 Argus 2