Major technical data: 1) Accuracy class: active power 1.0 class or 0.5 class, reactive power 2.0 class 2) Power consumption: <5VA 3) Rated voltage: 3 x 57.7 / 100V, 3 x 220 / 380V, 3 x 100V 4) Rate current: 1.5(6)A, 10(60)A, 10(100), 20(100)AApplications: 1) Used to register power energy consumption with different time periods, prepayment energy and tariff 2) Measurement of active power (positive and reverse), reactive power (4 quadrants) Main functions:1) 4 tariffs and 12 time periods for user's option, weekend and holiday's energy measurement can be programmable 4) Six TOD selections 5) Means of meter reading: CMRI remote control, RS485 interface, logic IC card of international standard, and manual remote-metering and so on 6) Program and control display through manual and remote control Salient features:1) High accuracy: active power 0.5 Class or 1.0 Class, reactive power 2.0 Class 2) High reliability: long operating life 3) Low power consumption, tamper proof, light weight, small size and easy to install 4) Adopting SMT and re-flow soldering technology and has strong capability for disturbance. The technical property comply with requirement of IEC standards 5) Tamper-proof meter box can be supplied for outdoor installation