The ABB CMC 70 stands as a cornerstone in modern energy management systems. In industrial environments where power quality directly affects equipment longevity and process efficiency, the CMC 70 provides a high-resolution window into the electrical network. It is engineered to measure all fundamental electrical parameters across three phases, including true RMS voltage, current, active power, reactive power, and apparent power. Its ability to calculate the power factor accurately allows facility managers to optimize load distribution and avoid penalties from utility providers for poor displacement power factor. One of the defining features of the CMC 70 is its advanced harmonic distortion analysis. Modern industrial facilities are filled with non-linear loads such as variable frequency drives and switched-mode power supplies, which introduce harmonics into the system. The CMC 70 can analyze Total Harmonic Distortion (THD) for both voltage and current up to higher-order harmonics. This data is critical for identifying potential resonance issues or overheating in transformers and neutral conductors before they lead to catastrophic system failure. Integration into building management systems (BMS) or energy SCADA networks is facilitated through the CMC 70's robust communication protocols. Supporting Modbus RTU and other industrial standards, the meter transmits real-time data for centralized logging and trend analysis. This allows for the implementation of sophisticated energy-saving strategies, such as peak demand shedding or automated load balancing. The internal memory of the CMC 70 also records maximum and minimum values, providing a historical record of system stress events. Designed for front-panel mounting in switchgear cabinets, the CMC 70 features a high-visibility backlit LCD that ensures readability in various lighting conditions. Its intuitive user interface allows technicians to cycle through measurement screens and configure alarm setpoints directly at the device. With an IP-rated front face, it is protected against dust and moisture, ensuring consistent performance in harsh manufacturing environments. The modular design also allows for future expansion with additional I/O modules for specialized pulse counting or alarm relay functions.Comprehensive Power Quality Measurement
Harmonic Analysis and Grid Stability

Data Logging and Communication Interface
Installation Versatility and HMI Design



