Features: 1) high accuracy, reliability, overload capability 2) low power consumption 3) smt technology and re-flow soldering technology Major technical data: 1) accuracy class: 1.0 2) power consumption: less than 4va 3) rated voltage: 200v 4) rate current: 2.5(10)a, 5(25)a, 10(40)a Main functions: 1) measurement of single-phase 50hz active power and power consumed 2) set up maximum load, overload warning and power off 3) warning of remained energy and remind user for payment 4) re-read power consumed, remained energy and number of prepayments for power 5) power off when no energy in the meter 6) parameter transferring through ic card Salient features: 1) high accuracy: 1.0 class 2) high overload: 6 times of overload 3) high reliability: long operating life 4) low power consumption, tamper-proof, light weight, small size and easy to install 5) register displays consumed power, and led displays status of consumed power 6) smt technology and re-flow soldering technology are adopted. Meter has strong Capability for disturbance. Emc can comply with requirement of iec 61036-2000 High overload capacity, high reliability of relay Single-phase and 3-phase pre-payment electronic energy meters can share one set Light weight, small size, easy to install Of prepayment control system