Electrical Monitoring Capabilities

• Voltage: Phase (UL1, UL2, UL3) and line-to-line (UL1L2, UL2L3, UL3L1)
• Current: Phase currents (I1, I2, I3), neutral (In), and residual (Ir) — PEM353-N variant only
• Power: Active (P), reactive (Q), apparent (S) — per phase and total
• Energy: Import/export for active, reactive, and apparent energy
• Frequency: Real-time monitoring
• Power Factor & Displacement Factor: For efficiency analysis
• Harmonics: THD, TOHD, TEHD up to the 31st order

 Energy Management Features

• Accuracy Class: 0.5 S (IEC 62053-22)
• Tariff Support: Up to 8 tariffs with schedule-based or digital input switching
• Logging: Monthly and daily logs for energy consumption and peak demand
• Pulse Outputs: Available in PEM353-P variant for external metering

 Installation & Integration

• Mounting: 96 x 96 mm front panel cutout (standardized)
• Interfaces: RS-485 Modbus RTU for integration into building automation or SCADA systems
• External CTs Required: Connects via .../1A or .../5A current transformers

 Ideal Applications

• Industrial energy audits
• Power quality diagnostics
• Load profiling
• Harmonic distortion monitoring
• Integration into smart energy systems