Technical Parameters (Specifications) Measurement Accuracy Active Energy (kWh): Class 0.2S (IEC 62053-22) / ANSI C12.20 Class 0.2 Reactive Energy (kVARh): Class 2 (IEC 62053-23) Voltage: ±0.1% of reading Current: ±0.1% of reading Power (Active/Reactive/Apparent): ±0.2% of reading Frequency: ±0.01% of reading Power Factor: ±0.5% of reading Electrical Inputs Voltage Inputs: 3-phase (3VTs or 4VTs configuration) Voltage Range (Direct): 0...600 V AC (phase-to-neutral) / 0...1000 V AC (phase-to-phase) Voltage Range (Via VT): Up to 600 kV (with external voltage transformers) Current Inputs: 3 or 4 current inputs Current Range: 0...10 A AC (standard) or 0...1 A AC (optional) Overload Capacity: 20 A continuous, 100 A for 1 second Frequency: 50/60 Hz (DC measurement optional) Power Quality Harmonics: Up to 63rd order (THD, TDD, individual harmonics) Sag/Swell Detection: Yes, with waveform capture Transient Detection: Yes (up to 5 kV peak) Waveform Capture: Yes (up to 200 cycles at 512 samples/cycle) Flicker Measurement: Yes (IEC 61000-4-15) Unbalance Measurement: Yes (voltage and current) Display & Interface Display Type: Graphical LCD with backlight Display Size: 1/4 VGA (320 x 240 pixels) Languages: Multiple languages supported Keypad: 4-button tactile keypad for navigation Communication Standard Ports: 1 x Ethernet (10/100 Base-T) with Modbus TCP/IP, HTTP, SNMP, FTP, SMTP, DHCP 2 x Serial ports (RS-485) with Modbus RTU Protocols: Modbus RTU, Modbus TCP/IP, BACnet/IP, DNP 3.0 (serial and TCP/IP), IEC 61850 (optional) Web Server: Built-in for remote monitoring via browser Logging: Onboard data logging (up to 16 MB memory) Inputs/Outputs Digital Inputs: 4 configurable (status, alarms, tariffs) Digital Outputs: 2 configurable (pulse or alarm outputs) Analog Outputs: Optional module (4 analog outputs) Relay Outputs: Optional module (4 relay outputs) Power Supply Power Supply Voltage: 100...415 V AC/DC (universal) or 24...48 V DC (optional) Power Consumption: < 10 VA (typical) Environmental Degree of Protection (IP): IP52 (front panel) / IP30 (body) Operating Temperature: -25...70 °C Storage Temperature: -40...85 °C Relative Humidity: 5...95% (non-condensing) Altitude: Up to 3000 m without derating Mechanical Mounting Mode: Panel mount (flush) Dimensions (W x H x D): 96 mm x 96 mm x 90 mm (standard 1/4 DIN) Panel Cut-out: 92 mm x 92 mm (+0.5 mm) Net Weight: Approximately 0.6 kg