7SR210 & 7SR220 Description of OperationUnrestricted Page 12 of 94 ©2018 Siemens Protection Devices LimitedTable 1.5-2 Ordering Information – 7SR22 Directional OvercurrentProduct description Variants Order No.7 S R 2 2 0 - 2 A - 0 A 0Protection Product FamilyOvercurrent - Directional 2Relay Type0Case, I/O and Fascia 1)E6 case, 5 CT, 4 VT, 3 Binary Inputs, 6 Binary Outputs, 8 LEDs 2 CE8 case, 5 CT, 4 VT, 13 Binary Inputs, 14 Binary Outputs, 16 LEDs 3E8 case, 5 CT, 4 VT, 13 Binary Inputs, 14 Binary Outputs, 8 LEDs + 6 keys 4E12 case, 5 CT, 4 VT, 33 Binary Inputs / 14 Binary Outputs, 32 LEDs 5E12 case, 5 CT, 4 VT, 33 Binary Inputs / 14 Binary Outputs, 16 LEDs, 12 keys 6Measuring input1 A or 5 A, 40 V to 160 V, 50 Hz or 60 Hz 2Auxiliary voltagePSU Rated: 30 to 220V DC. Binary Input threshold 19V DC (Rated: 24-250V DC) APSU Rated: 30 to 220V DC. Binary Input threshold 88V DC (Rated: 110-250V DC) BPSU Rated: 24-250V DC / 100-230V AC. Binary Input threshold 19V DC (Rated: 24-250V DC) MPSU Rated: 24-250V DC / 100-230V AC. Binary Input threshold 88V DC (Rated: 110-250V DC) NSpareACommunication InterfaceStandard version - included in all models, USB front port, RS485 rear port 1Standard version - plus additional rear F/O ST connectors (x2) and IRIG-B 2Standard version - plus additional rear RS485 and IRIG-B 3Standard version - plus additional rear RS232 and IRIG-B 4Standard version - plus additional rear Electrical Ethernet RJ45 (x2) 7 7Standard version - plus additional rear Optical Ethernet Duplex (x2) 8 7ProtocolIEC 60870-5-103 and Modbus RTU (user selectable) 1IEC 60870-5-103 and Modbus RTU and DNP 3.0 (user selectable) 2IEC 60870-5-103 and Modbus RTU and DNP 3.0 (user selectable) and IEC61850 7-8 7Spare0Protection Function PackagesStandard version - included in all models C21FL Fault Locator21LB Load Blinder27/591) Under/overvoltage32 Power32S Sensitive Power37 Undercurrent37G1) Ground Undercurrent37SEF1) SEF Undercurrent46BC Broken conductor/load unbalance46NPS Negative phase sequence overcurrent471) Negative phase sequence voltage49 Thermal overload50 Instantaneous phase fault overcurrent50BF Circuit breaker fail50G/50N Instantaneous earth fault50 AFD Arc Flash Detector51V Voltage dependent overcurrent55 Power factor59N Neutral voltage displacement60CTS CT supervision60CTS-I CT supervision60VTS VT supervision64H High impedance REF67/50 Directional instantaneous phase fault overcurrent67/50G67/50N Directional instantaneous earth fault/SEF67/51 Directional time delayed phase fault overcurrent67/51G67/51N Directional tIme delayed earth fault/SEF74TC/CCS Trip & close circuit supervision81 Under/overfrequency81HBL2 Inrush Detector81HBL5 Overfluxing86 LockoutCold load pickupProgrammable logicCB ControlStandard version - plus D79 AutorecloseStandard version - plus E79 + 25Additional FunctionalityNo additional functionality ASpare0Export DataHS: 8536900ECCN: NAL: N1) 5CT is configured as 3PF + EF/SEF + EF/SEF (user selectable setting).Autoreclose + Check Sync
