Technical Specifications Basic Identification Brand: Alstom (GE Grid / Areva legacy MICOM series) Full Model: C264MB1D69500130A Product Series: MICOM C264 DS Agile Bay Controller Type: Substation Bay Protection & Control IED (Intelligent Electronic Device) Application: MV switchgear bay control, railway traction substation, industrial power distribution, wind/solar grid-connected protection Power Supply Electrical Parameters Rated Control Supply: DC 110V / DC 220V dual universal input Operating Voltage Tolerance: 77V ~ 137.5 VDC (110V system); 154V ~ 275 VDC (220V system) Standby Power Consumption: ≤18W Surge Withstand: 2kV power supply surge suppression per IEC 61000-4-5 Protection Function Core Parameters Overcurrent & Earth Fault Protection Phase Overcurrent: IDMT / definite time, setting range 0.1~30×CT secondary current Earth Fault Protection: Sensitive residual earth fault, adjustable 0.05~10A secondary Thermal Overload Protection: Long-time inverse curve for cable/transformer overload monitoring Voltage & Frequency Protection Overvoltage / Undervoltage trip: 0.5~1.5×Un adjustable threshold Overfrequency / Underfrequency: 45~55Hz / 55~65Hz monitoring Auxiliary Fault Logic Broken CT supervision, trip circuit supervision, negative sequence unbalance protection Measurement & Sampling Specifications CT Secondary Input Standard: 1A / 5A switchable VT Voltage Input: 100V AC rated Measurement Accuracy: Class 0.5S for current, Class 0.2 for voltage & power Sampling Frequency: 1.2kHz high-speed AC sampling Record Storage: 500 fault event logs + 40-cycle fault waveform capture Digital I/O Interface Digital Input (DI): 16 channels, DC110V signal level for position & interlock feedback Relay Output (DO): 8 contact outputs, forced-guided safety relay contacts AC-15 rating: 250VAC / 6A DC-13 rating: 110VDC / 3A Binary Input Burden: <2mA per channel Communication Interfaces Rear RS485: Modbus RTU standard Ethernet RJ45: IEC 60870-5-104, DNP3, IEC 61850 optional Front maintenance port: RS232 for local parameter setting Mechanical & Installation Mounting Standard: 19-inch 3U rack flush panel mount Overall Dimension: H 132 mm × W 440 mm × D 265 mm Net Weight: ~6.8 kg Operation Interface: Front LCD graphic display + membrane operation keypad + LED status indicator Terminal Connection: Screw-clamp rear terminal block for CT/VT, power, DI/DO wiring Environmental & Compliance Standards Operating Ambient Temperature: -25 ℃ ~ +70 ℃ Storage & Transport Temperature: -40 ℃ ~ +85 ℃ Relative Humidity: 5% ~ 95% non-condensing