DTSY171 three phase prepaid energy meter

Overview: DTSY 171/DSSY171 three phase prepayment meter complies with GB/T17215-2002, GB/T18460-2001 and IEC 62053-21 standard. This meter collect, process and store data by advanced SCM(single-chip Microcomputer) processing system. The meter can be customized to set internal or external relay. We provide customer with full-functional vending and management software. Main function: * Purchase before use * Measure positive and negative active energy * Transfer account, cancel account(especially practical for commercial application) * Audible & visible alarm when credit is low (external alarm output is optional) * Lack of phase protection * Cut off power supply when overload * Instantaneous load measurement * N cards for M meters *Malfunction self-detection (include load switch, EEPROM, IC card data) * Large-capacity reading meter data (In maximum 169 meters' consumption data can be read by one special card) * LED display/counter wheel display/LCD display (optional) * Pulse output/RS485(optional) Technical data: Standard: Comply with GB/T17215-2002,GB/T18460-2001,IEC 62053-21 Accuracy: class 1.0,2.0 Referencevoltage:3*57.7/100V,3*220/380V,3*100V,3*380V Reference frequency:50Hz, 60Hz Current: 3*1.5(6) A, 3*5(20) A, 3*10(40) A, 3*15(60) A, 3*20(80) A Operate voltage range: 0.8Un 1.15Un operate temperature:-25 +55 Circuit power consumption: voltage circuit power consumption<=3W/12VA, current circuit power consumption <=4VA