7SG11 Documentation Set
©2013 Siemens Protection Devices Limited
Page
6 of 16
Product description
Variants
Order No.
Nondirectional O/C relay
7 S G 1 1 1
-
- 0
A 0
Over current and earth fault protection
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for radial feeders, capacitor banks and
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industrial and commercial plant.
Number of elements
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Four pole relay (fixed I/O)
5
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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 and earth-fault
E
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Nominal current
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1A
B
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5A
C
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I/O range
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3 Binary Input / 5 Binary Outputs (incl. 2 changeover)
3
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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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Housing size
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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 5 binary inputs and 110 V application, order resistor box VCE:2512H10065 in addition
for 5 binary inputs and 220 V application, order resistor box VCE:2512H10067 in addition
Refer to website for application note about ESI48-4 compliance
Ordering Information – 7SG1115 Argus 1