Specifications General Product Name: Multi‑Function Power and Energy Meter Model / Part Number: 2TAZ663012R2004 Series: ABB M1M 30 (or M1M Series power meter) Application: Three‑phase electrical measurement and monitoring Installation: DIN‑rail or panel mounted meter Display: LCD or multi‑line display for real‑time parameters Measurement Functions (typical for M1M 30 series) Voltage Measurement: Line‑to‑line and line‑to‑neutral per phase Current Measurement: Per phase via external CTs Power Parameters: • Active, reactive, and apparent power • Power factor • Frequency Energy: Active and reactive energy (kWh, kVArh) Harmonics: THD of voltage and current (if supported) Electrical Ratings Supply / Measurement Voltage Range: Suitable for standard low‑voltage three‑phase systems Current Input: Through CTs, supported ratio aligned with meter range Accuracy Class: High‑accuracy class per IEC energy metering standards Communications Protocol: Modbus‑RTU Interface: RS‑485 serial communication I/O: Additional digital inputs and outputs (for alarms and status) Integration: Interfaces with PLCs, BMS, SCADA, or energy management systems Functional Features Multi‑parameter display: Real‑time values for power, energy, currents, voltages, etc. Event & alarm thresholds: Configurable alarms via I/O or communication Data logging: Local parameter logs (if available) Remote configuration: Via communication interface Mechanical & Environmental Mounting: DIN‑rail or panel cut‑out Housing Protection: Standard IP20 (indoor electrical panel) Operating Temperature: Industrial ambient range Terminals: Screw/plug‑in type for power, CT, and communication Compliance & Standards Complies with relevant IEC/EN energy measurement standards Designed for use in industrial and commercial electrical distribution measurement Typical Applications Monitoring of three‑phase electrical installations Energy management systems Load analysis for industrial and commercial facilities Integration with building automation and SCADA systems