Key Features

• System Compatibility:
  • Works with 2-, 3-, and 4-wire systems
  • Supports TN, TT, and IT system types
• Mounting:
  • Standardized front panel dimensions: 96 × 96 mm
• Measurement Capabilities:
  • Voltages (phase and line-to-line)
  • Currents (phase, neutral, residual)
  • Frequency
  • Power (active, reactive, apparent)
  • Energy (import/export, per phase and total)
  • Power factor, displacement factor
  • Harmonics up to the 31st order (THD, TOHD, TEHD)
  • Voltage and current unbalance
  • Crest factor, k-factor, TDD

 Energy Metering

• Accuracy class: IEC 62053-22, Class 0.5 S
• Supports up to 8 tariffs with schedule-based or digital input switching
• Monthly and daily logs for energy usage
• Pulse outputs (PEM353-P variant) for external counters

 Connectivity & Inputs

• External current transformers required (…/1 A or …/5 A)
• Voltage inputs protected by fuses
• Digital inputs/outputs for control and tariff switching

 Variants