Parameters Brand: Schneider Electric Series: PM2100 (EasyLogic / PowerLogic) Model / Product Type: PM2100 Power & Energy Meter Display: LED display with three lines of concurrent values and navigation buttons Measured Parameters: Active, reactive and apparent energy (bi‑directional) Instantaneous values of voltage, current, power, frequency, and power factor Demand and min/max values with timestamps Harmonic distortion measurement (up to 15th/31st depending on variant) Accuracy Classes: Typical Class 1 for energy and power parameters Class 0.5S available on higher‑accuracy variants Voltage Input Range: Nominal 277 V L‑N / 480 V L‑L Measured range ~20–480 V L‑L (CAT III); extended range ~20–600 V L‑L (CAT II) Current Input: CT secondary configurable to 1 A or 5 A; measured current range ~5 mA to 6 A Control Power (AC): 44–277 V AC ±10% Control Power (DC): 48–277 V DC ±10% (model dependent) Communication: RS‑485 with Modbus RTU; configurable baud rate and parity Mounting: Panel mount, approx. 96 × 96 × 73 mm; vertical installation recommended Protection Ratings: Front panel: IP54 (upgradeable to IP65 with optional accessory) Meter body: IP30 Operating Temperature: –25 °C to +70 °C Humidity: 5 %–95 % RH non‑condensing Pollution Degree: 2 Standards Compliance: IEC 61557‑12, IEC 61010‑1, IEC 61326‑1; measurement category CAT III up to 480 V L‑L, CAT II up to 600 V L‑L Weight: ~300 g