Product details:First, product overview The module is an intelligent electric parameter acquisition module, which can measure three-phase current, voltage, real effective value, active power, reactive power, power factor, frequency, electric energy and other parameters. The module has two-wire RS-485 communication interface, standard MODBUS-RTU protocol, convenient for PLC, configuration software application, and the module has high integration and stability. Through all kinds of harsh environment test. II. Main Technical Parameters Input Range - AC 45-65Hz Voltage Range (Phase Voltage): 60V, 100V, 200V, 250V, 400V, 500V (or made according to user's requirements) Please note when order. Current range: 1A, 5A, 10A (or made according to user's requirements) Please note when order. Data output - - true RMS of three-phase voltage Ua, Ub, Uc, three-phase current Ia, Ib, Ic, frequency F, total active power P, total reactive power Q, total apparent power S, total power factor PF, each phase active power Pa, Pb, Pc, each phase reactive power Qa, Qb, Qc, each phase power factor PFa, PFb, PFc, each phase apparent power Sa, Sb, Sc, positive and negative active power, positive and negative. Reactive power Output Interface - RS-485: Two-wire System, Communication Distance: 1200m, +15KV ESD Protection Communication Protocol--MODBUS-RTU Baud rate - 1200, 2400, 4800, 9600, 19.2K BPS Accuracy level - voltage, current, frequency 0.2 level; active power, reactive power, power factor, active power 0.5 level; Isolation Voltage Resistance - 1000VDC Power supply - - 8 ~ 30VDC, typical consumption current 50 mA; or AC85 ~ 265V, power consumption < 2.5W Working Temperature - 20-70 Storage Conditions - 20 C to + 80 C (RH: 5%-95% non-condensation) Shape size - 71mm * 113mm * 59mm Installation mode - DIN rail clamping