Table 1.5-2 Ordering Information - 7Sr22 Directional Overcurrent - Siemens Argus 7SR21 Technical Manual

7SR210 & 7SR220 Description of Operation
Table 1.5-2 Ordering Information – 7SR22 Directional Overcurrent
Product description Variants
Protection Product Family
Overcurrent - Directional
Relay Type
Case, I/O and Fascia
E6 case, 5 CT, 4 VT, 3 Binary Inputs, 6 Binary Outputs, 8 LEDs
E8 case, 5 CT, 4 VT, 13 Binary Inputs, 14 Binary Outputs, 16 LEDs
E8 case, 5 CT, 4 VT, 13 Binary Inputs, 14 Binary Outputs, 8 LEDs + 6 keys
E12 case, 5 CT, 4 VT, 33 Binary Inputs / 14 Binary Outputs, 32 LEDs
E12 case, 5 CT, 4 VT, 33 Binary Inputs / 14 Binary Outputs, 16 LEDs, 12 keys
Measuring input
1 A or 5 A, 40 V to 160 V, 50 Hz or 60 Hz
Auxiliary voltage
PSU Rated: 30 to 220V DC. Binary Input threshold 19V DC (Rated: 24-250V DC)
PSU Rated: 30 to 220V DC. Binary Input threshold 88V DC (Rated: 110-250V DC)
PSU Rated: 24-250V DC / 100-230V AC. Binary Input threshold 19V DC (Rated: 24-250V DC)
PSU Rated: 24-250V DC / 100-230V AC. Binary Input threshold 88V DC (Rated: 110-250V DC)
Spare
Communication Interface
Standard version - included in all models, USB front port, RS485 rear port
Standard version - plus additional rear F/O ST connectors (x2) and IRIG-B
Standard version - plus additional rear RS485 and IRIG-B
Standard version - plus additional rear RS232 and IRIG-B
Standard version - plus additional rear Electrical Ethernet RJ45 (x2)
Standard version - plus additional rear Optical Ethernet Duplex (x2)
Protocol
IEC 60870-5-103 and Modbus RTU (user selectable)
IEC 60870-5-103 and Modbus RTU and DNP 3.0 (user selectable)
IEC 60870-5-103 and Modbus RTU and DNP 3.0 (user selectable) and IEC61850
Spare
Protection Function Packages
Standard version - included in all models
21FL Fault Locator
21LB Load Blinder
1) Under/overvoltage
27/59
32 Power
32S Sensitive Power
37 Undercurrent
1) Ground Undercurrent
37G
SEF Undercurrent
1)
37SEF
46BC Broken conductor/load unbalance
46NPS Negative phase sequence overcurrent
1) Negative phase sequence voltage
47
49 Thermal overload
50 Instantaneous phase fault overcurrent
50BF Circuit breaker fail
50G/50N Instantaneous earth fault
50 AFD Arc Flash Detector
51V Voltage dependent overcurrent
55 Power factor
59N Neutral voltage displacement
60CTS CT supervision
60CTS-I CT supervision
60VTS VT supervision
64H High impedance REF
67/50 Directional instantaneous phase fault overcurrent
67/50G
Directional instantaneous earth fault/SEF
67/50N
67/51 Directional time delayed phase fault overcurrent
67/51G
Directional tIme delayed earth fault/SEF
67/51N
74TC/CCS Trip & close circuit supervision
81 Under/overfrequency
81HBL2 Inrush Detector
81HBL5 Overfluxing
86 Lockout
Cold load pickup
Programmable logic
CB Control
Standard version - plus
79 Autoreclose
Standard version - plus
79 + 25 Autoreclose + Check Sync
Additional Functionality
No additional functionality
Spare
1)
5CT is configured as 3PF + EF/SEF + EF/SEF (user selectable setting).
Export Data
HS: 8536900
ECCN: N
AL: N
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M
N
©2018 Siemens Protection Devices Limited
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