DIN Rail Energy Meter

Power Quality with Compact DIN Rail Sub-Energy Meter

The ST40 DIN rail energy meter is one of the smallest energy and power quality meters in the world. It is specifically designed for DIN rail installations with limited space. The meter offers energy accuracy with a 0.2% accuracy class and advanced power quality features.

  • Small footprint for machine-level monitoring, solar energy, wind, and other applications with limited installation space
  • ANSI C12.20 0.2 Accuracy Class Energy Measurements
  • Power quality waveform recording up to 512 samples/cycle
  • Large memory for load profiles, system events, limits, and alarms
  • Easy software integration with Modbus, BACnet/IP, or DNP3
  • RS485, 10/100BaseT Ethernet, or BACnet/IP Communication
  • Advanced Measurement Features: Transformer Error and CT/PT Compensation
  • NEW! Supports 0.333 V CTs and Rogowski Coil CTs