Parameter Specification Product Series PowerLogic PM3000 Series Device Type Multi-function Power & Energy Meter Commercial Reference PM3255 Measurement Inputs Voltage: 3-phase + Neutral (up to 300V L-N, 480V L-L). Current: 3 current inputs (via external CTs, typically 5A secondary). System Compatibility Single-phase (1-element), Split-phase (2-element), Three-phase 3-wire (2-element), Three-phase 4-wire (3-element). Key Measurements • Volts, Amps, Frequency • Active, Reactive, Apparent Power (kW, kVAR, kVA) • Power Factor • Active & Reactive Energy (kWh, kVARh import/export) • Demand (sliding window) • Harmonics: Individual voltage & current harmonics up to 15th. Power Quality Monitoring Voltage sags/swells/interruptions, unbalance, flicker, rapid voltage changes, THD, TDD. Accuracy Class Active Energy (kWh): Class 0.5S per IEC 62053-22 Voltage/Current: 0.2% of reading (typical). Display Backlit LCD with multiple display screens. Communication Ports • 1x RS-485 port (supports Modbus RTU, BACnet MS/TP). • Optional Ethernet or additional RS-485 module available. Digital I/O Typically includes programmable digital inputs (for pulse counting, status) and relay outputs (for alarms, control). Power Supply 85-265 V AC/DC (wide range, self-powered from measured voltage or auxiliary). Mounting DIN-rail mounting (35 mm). Operating Temperature -25°C to +70°C. Relative Humidity 0-95% non-condensing. Standards & Certifications CE, UL, cUL, IEC 62053-22, IEC 61557-12, RoHS. Dimensions (W x H x D) Approx. 105 mm x 90 mm x 64 mm.