ABB – B23 212-100 (2CMA100166R1000) – 3-Phase Direct-Connect Energy Meter, 65 A

Manufacturer & Model: ABB B ‑ (internal MPN CMAR)  

Measurement:

• Measures active (Class ) and reactive (Class ) energy in both import & export directions

• Monitors power, currents, voltages (L–L, L–N), frequency, power factor (cos φ), and apparent power – each phase and total  

Electrical Ratings:

• Direct-connected up to  A in three-wire or four-wire systems (– V L–N, – V L–L, / Hz)  

Communication & Outputs:

• RS- interface supporting Modbus RTU

• Infrared port for optional KNX module connection

• Configurable pulse/S output and up to alarm thresholds via RS‑ setup  

Display & Mounting:

• Backlit LCD display ( digits) with navigation buttons

• Compact DIN-rail module ( TE width), IP protection, operating temperature – °C to + °C  

Certifications:

• MID-certified (European legal metrology) and IEC-approved

• Features reverse-run prevention, calibrated accuracy, and rated for one tariff billing