Siemens Protection Devices Limited 17
Product description Variants Order No.
Directional O/C relay 7
Ideal for directional overcurrent
and earth fault protection of solid
ring systems utilising the fully Number of elements
independent bi-directional Four pole relay
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 | | | | | |
3 pole phase-fault directional and sensitive/restricted
earth-fault (SEF/REF)
N
3 pole phase-fault directional and earth-fault directional or 3 pole
phase-fault directional and earth-fault
P |
|
|
|
|
|
4
|
E
|
3 pole phase-fault directional and earth-fault directional or 3 pole
phase-fault directional and earth-fault
P |
|
|
|
|
|
5
|
E
|
3 pole phase-fault and earth-fault directional Q
3 pole phase-fault and earth-fault directional Q
5 Binary Inputs / 11 Binary Outputs (incl. 3 changeover) 1 | | |
9 Binary Inputs / 7 Binary Outputs (incl. 3 changeover) 2 | | |
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 |
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