Three-phase four-wire energy meter. White backlit LCD screen. For measuring three-phase current in commercial and industrial applications. Nominal voltage (Un): 230V / 400V AC (3~). Operating voltage: 80% ~ 120% Un. Insulation capability - AC voltage withstand: 4KV for 1 minute - Surge voltage withstand: 6KV-1.2/50 s. Basic current (Ib): 10A. Maximum rated current (Imax): 100A. Operating current range: 0.4% Ib~Imax. Overcurrent withstand: 30Imax for 0.01s. Operating frequency range: 50Hz ± 10%. Internal power consumption: 2W/10VA/phase. Test output flashing frequency (PULSE LED): 1,000imp/kWh. Test pulse output rate: 1,000imp/kWh. Operating humidity: 90%. Storage humidity: 95%. Operating temperature: -25°C - +55°C. Storage temperature: -40°C - +70°C. Active energy accuracy: - Class B EN50470-1/3 - Class 1 IEC 62053-21. Warm-up time: 10s. Mechanical environment: M1. Electromagnetic environment: E2. Pollution degree: 2
