... domestic type DDS877 , DDS48 type electronic single phase energy meterApplication : DDS877 , DDS48 type electronic single phase energy meter is the most advanced static ... GB/T17215-2002Reference temperature: 23°CLimit working temperature range: -20°C ~ 50°CPower consumption: not more than 1W Impulse drive capacity ... ) (A)220501.5(6),2.5(6), 3(6),5(20),10(40),15(60),20(80),30(100) single phase electronic ...