7SR210 & 7SR220 Description of Operation
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Table 1.5-2 Ordering Information – 7SR22 Directional Overcurrent
Product description Variants Order No.
7 S R 2 2 0 - 2 A - 0 A 0
Protection Product Family
Overcurrent - Directional
1)
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
1 A or 5 A, 40 V to 160 V, 50 Hz or 60 Hz
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)
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)
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
7-8
7
Protection Function Packages
Standard version - included in all models
21FL Fault Locator
21LB Load Blinder
1)
32 Power
32S Sensitive Power
37 Undercurrent
1)
1)
46BC Broken conductor/load unbalance
46NPS Negative phase sequence overcurrent
1)
Negative phase sequence voltage
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
67/51 Directional time delayed phase fault overcurrent
67/51G
Directional tIme delayed earth fault/SEF
74TC/CCS Trip & close circuit supervision
81 Under/overfrequency
81HBL2 Inrush Detector
81HBL5 Overfluxing
Cold load pickup
Programmable logic
CB Control
Standard version - plus
Standard version - plus
No additional functionality
1)
5CT is configured as 3PF + EF/SEF + EF/SEF (user selectable setting).
Autoreclose + Check Sync