Single phase prepaid energy meter type DDSY999 is used to measure 50HZ AC active energy, it is a new generation of intelligent instrument, combination advanced integrated solid technology and SMT crafts. The performance accords with International Standards IEC61036-2000. It features advanced principle, simple construction, high accuracy and sensitivity, long service life, strong overload and anti-power theft, alarming of remainder, storing data over 20 years, setting secret, etc.

Technical data

Rated Voltage	220~240V
Basic current	1.5(6)A 5(20)A 5(30)A 10(40)A 10(60)A 20(80)A
Frequency	50/60Hz
Starting current	0.004%Ib
Creeping	110% of rated voltage without current
Display	Register / LED
Connection	Direct or through CT
Meter constant	As name plate
Class	1.0