NMI Approved 3 Phase Energy Meter


  • DIN rail mount energy metering
  • Industrial and commercial metering
  • Substation, building and factory automation
  • Sub-metering
  • Power quality monitoring

About the NMI Approved PMC-340 3 Phase Energy Meter

The PMC-340 Digital Three-Phase Energy Meter is CET’s latest offer for the low voltage power/energy metering market featuring DIN rail mount, high accuracy, multifunction measurements and a large, easy to read 7-segment LCD display.

The PMC-340 complies with the IEC 62053-21 Class 1 and IEC 62053-22 Class 0.5S kWh Accuracy Standards for 100A Direct Input and 5A CT Input, respectively. The PMC-340 comes standard with a LED as well as a Solid State Pulse Output for energy pulsing.

The standard RS485 port and Modbus protocol support allows the PMC-340 to become a vital component of an intelligent, multifunction monitoring solution for any Power and Energy Management Systems.


  • Ease of Use - e.g. Easy to read 7-segment LCD
  • Basic Measurements - e.g. Voltage, Current, kW, kvar, kVA, PF and Frequency
  • Optional Digital Inputs - e.g. 3 channels for external status monitoring and pulse counting
  • Communications - Optically isolated RS485 port, Modbus RTU protocol
  • System Integration - Easy integration into other Automation or SCADA systems via Modbus
    RTU protocol

Outstanding Warranty

Three Year Warranty. A warranty reflects the quality of a product. CET provides Industrial grade products that are Tropicalized for use within humid environments. Unlike many other vendors whose products have limited warranties or products that are not built to last, CET products are rugged and have the warranty to match.


Parameters Accuracy Resolution
Voltage ±0.5% 0.01V
Current ±0.5% . 0.001A
kW, KVar, kVA ±1% 0.001kW/kvar/kVA
kWh, kVAh

IEC 62053-21 Class 1 for Direct Input

IEC 62053-22 Class 0.5Sfor 5A CT Input

0.1 kWh
CET PMC-340 NMI Approved 3 Phase Energy Meter

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