Siemens Reyrolle 7SR105 Rho Motor Protection Relay

Model: 7SR105 (Rho Series – Motor Protection) ، Case Type: Size 4, 4U high, non-draw-out ، Binary Inputs/Outputs: 6 BI/Os ، Communication: Front USB port and rear RS485 (MODBUS RTU / IEC 60870-5-103) ، Inputs: RTD temperature inputs (optional) ، Display: LCD with local and remote measured value visualization ، Control: Integrated motor start/stop operation and trip command ، Functions: Protection, monitoring, metering, and data logging ، Protection Functions: ، Stall Protection (14) ، Undercurrent (37) ، Current Unbalance (46) ، Phase Reversal (46Ph Rev) ، Start Protection (48/66) ، Motor Thermal Overload (49R) ، Time Overcurrent (50/51) ، Earth Fault (50/51G/N) ، Backspin Protection (81B) ، Temperature Inputs (RTD) ، Supervision: CB Fail (50BF), CT Supervision (60CTS), Trip Circuit Supervision (74T/CCS) ، Monitoring: Instrumentation, Event/Fault/Waveform records ، Main Features: ، Cold Load Settings ، Two Setting Groups ، Password Protection ، Self-Monitoring ، Circuit Breaker Trip Counter ، Compact & reliable motor protection ، Compliance: IEC 60255