pecifications Product Identity Product Name: M1M 20 Modbus Power Meter Model / Part Number: 2TAZ662012R2000 Category: Three‑Phase Power & Energy Meter Display: LCD front‑panel display for real‑time parameter visualization Communication: Modbus RTU via RS‑485 interface Mounting: Front panel cut‑out installation (standard 96 × 96 mm) Electrical Auxiliary Supply Voltage: 100–230 V AC/DC Power Consumption: Up to ~5 VA Rated Frequency: 50/60 Hz Measurement Inputs: Voltage and current via external CTs (1 A or 5 A secondary) Phase System: Three‑phase (3P) Voltage Measurement Range: Supports standard low‑voltage systems Communication Interface: RS‑485 Modbus RTU Measured Parameters Voltage: Line‑to‑Line and Line‑to‑Neutral Current: Per phase through CTs Power: Active (kW), Reactive (kVAR), Apparent (kVA) Energy: Active and Reactive energy (kWh, kVArh) Power Factor: Per phase and total Frequency: Line frequency monitoring Harmonics / Unbalance: Optional power quality indices Communication & Integration Protocol: Modbus RTU Interface: RS‑485 Integration: PLCs, SCADA, BMS, EMS Device Addressing: Modbus standard addressing supported Mechanical & Environmental Dimensions: Front panel 96 × 96 mm Depth: Approx. 77–85 mm Weight: ~0.3–0.35 kg Protection: IP51 front, IP20 terminals Operating Temperature: Standard industrial range Termination: Screw-type terminals for power, CT, and communication Standards & Compliance Safety & EMC: Complies with relevant IEC/EN standards RoHS Compliant: Yes Typical Applications Energy monitoring in industrial facilities Power distribution boards and switchgear Integration into Building/Energy Management Systems Load profiling and electrical parameter logging Remote monitoring and alarm systems via Modbus networks