PRODUCT: 3-phase 4-wire AC Multi-parameter Digital Transducer 1. Series: CE-AJ42-1----- 3-phase 4-wire, RS-485 interface, treble isolated (N case style only). CE-AJ42-2----- 3-phase 4-wire, RS-232C interface, treble isolated (N case style only). 2.Specifications: Input (measuring range)------ AC 45-65Hz, voltage: 110V, 220V, 380V and 500V(or specially supply to meet user's other special requirement), current: 1A, 5A, 15A,25A (or specially supply to meet user's other special requirement) Data output------RMS of voltage Ua, Ub and Uc; RMS of current Ia, Ib and Ic. Real value of frequency F. Other five parameters including Active power P, reactive power Q, power factor cosF, active energy and reactive energy are shown in the form of a percentage of the maximum value of its measurable range. Output interface------RS-485: two-wire connection, communication distance:1200m,+/- 15KV ESD protection. RS-232C: N case style connects directly through its terminals. Accuracy grade------ Frequency: 0.05 Hz. Voltage, current, power factor, active power, reactive power, active energy, reactive energy: 0.5%. (Accuracy and linearity are ignored when the voltage is below 5%.) Baud rate------ 1200, 2400, 4800, 9600, 19.2K bps Refreshing period------ 250mS Isolation voltage------ 1000 V DC or 2500V DC Power consumption------ <200 mW (+12V) Power------ +5V, +12V, +15V, +24V, +48V DC (please specify any one of the five options in you order) Operation temperature------ 0~50 Storage condition------ -20C~+ (RH:5%~95% no dew)