Self-powered protection relay SIA-C

over-currentearth-leakageRS485

OC&EF Protection Relay (self-powered + auxiliary power supply). - Self-powered with operating current through 3 standard current transformers /5 or /1, to obtain current measurements. Universal 24-230 Vac/dc auxiliary power supply (24-220 Vdc (±20%) / 60-230 Vac (±15%). - Internal lithium start-up battery: 20 years. - Very low start-up levels in self-powered mode: 0.075xIn in a three-phase system /0.16xIn in a single-phase system. - Test menu - 7 configurable LEDs and 1 bistable magnetic indicator (FLAG) that indicate the cause of the trip maintaining its position without a power supply. - Relay status self-diagnosis (WATCHDOG). - Front Micro USB port and RS485 port for remote communication protocol Modbus RTU, DNP3 or IEC60870-5-103. RJ45 ethernet port (Modbus TCP protocol). - Low-power coil trip output (24 Vdc—135 mJ). Switch-controlled single-phase or single/three-phase tripping. - Up to 10 configurable inputs and 7 configurable outputs. - Load Data Profiling: registers: 168, in circular mode. Sampling rate (interval): configurable via communications 1-60 min. - Non-volatile RAM memory, stores up to 1,024 events and fault records (DFR- 20 fault reports and 10 oscillographic records in COMTRADE format), keeping the date and time thanks to its internal RTC (Real Time Clock) even without power supply. - The SICom communications software downloads and saves the oscillographic record in COMTRADE format (IEEE C37.111-1991). - Eliminates installation and reduces cost and maintenance. - withdrawable and non-removable mechanics.