Siemens Protection Devices Limited 11
Product description Variants Order No.
Nondirectional O/C relay 7
Over current and earth fault | | | | | | |
protection for radial feeders, | | | | | | |
capacitor banks and industrial and Number of elements | | | | | | |
commercial plant. 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 phase-fault or single pole earth-fault A
| | | |
Single pole sensitive/restricted earth-fault (SEF/REF) B | | | |
| | | |
Nominal current | | | |
1/ 5 A A
| | |
| | |
I/O range | | |
1 Binary Inputs / 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 |
|
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 – 7SG1111 Argus
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