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

Main Features

• Manufacturer & Model: ABB B23 212‑100 (internal MPN 2CMA100166R1000)  

• Measurement:

  • Measures active (Class 1) and reactive (Class 2) 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 65 A in three-wire or four-wire systems (220–240 V L–N, 380–415 V L–L, 50/60 Hz)  

• Communication & Outputs:

  • RS-485 interface supporting Modbus RTU

  • Infrared port for optional KNX module connection

  • Configurable pulse/S0 output and up to 25 alarm thresholds via RS‑485 setup  

• Display & Mounting:

  • Backlit LCD display (7 digits) with navigation buttons

  • Compact DIN-rail module (4 TE width), IP20 protection, operating temperature –40 °C to +70 °C  

• Certifications:

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

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