Specifications Parameter Specification Product Family PowerLogic™ Series 800 or equivalent advanced power meter. Input Type Direct Input (Self-Powered) – Designed for direct connection to the main busbar or conductor up to 400A without external current transformers (CTs). Rated Current (In) 400 A (Primary current). Voltage Input Typically up to 347/600V L-L (or 277/480V) AC, 3-phase, 3 or 4-wire. Measurement Functions • Basic: Volts (V), Current (I), Power (kW, kVAR, kVA), Power Factor (PF), Frequency (Hz). • Energy: Import/Export kWh, kVARh. • Advanced: Demand (kW, kVA), THD, Harmonics up to 31st order, Voltage/Current Unbalance, Min/Max/Average values. Accuracy Class Typically Class 0.5% or Class 0.2% for active energy (per IEC 62053-22). Communication Standard: Modbus RTU (RS-485). Optional: Ethernet, BACnet, Profibus, etc. Display Backlit LCD or LED display for local reading. Power Supply Self-powered from measured voltage line, or auxiliary supply (e.g., 85-265V AC/DC). Mounting Panel-mounted (96x96mm, 144x144mm, or similar cutout) or DIN-rail mounted. Standards IEC 62053-22, ANSI C12.20, UL, CE. Operating Temperature -10°C to +55°C (typical).