DDSY666 Single Phase Prepayment Meter
IC card prepayment energy meter / single phase smart card meter
DDSY666 single phase prepayment meter is used in one phase two wire power network for residential user. It is realizing prepaid energy fee, energy metering and protecting over load power consuming.
◆ Active energy metering
◆ Buy energy first then use. The load will automatic switch off when the bought energy used up.
◆ One card one password, the data is Safe and reliable.
◆ With functions of information transmission, through the user card the measurement data in meter can be data back to the working state and sell electricity system, for the use of settlement, statistics, management.
◆ With error operation and fault indication functions.
◆ Using LCD display, can display the current total active energy used, remain energy, the latest purchasing energy
◆ Easy to replace the Battery, without uninstalling.
◆ LCD backlight can increase readability under low light condition.
◎ Compliance with IEC60252-11 IEC62053-21
◎ Connection type: 1P2W
◎ Accuracy: Class 1.0 for active
◎ Nominal voltage (Un): 110V, 120V, 220V, 230V, 240V
◎ Operating range: 0.7Un ~ 1.2Un
◎ Power consumption: ≤1.5W, 5VA
◎ 50Hz or 60Hz, ±5%
◎ 6 characters of 7 segment display
◎ Digital size: 4.2mm × 9.2mm
◎ With backlight
◎ Auto scroll and scroll with push button
◎ Reverse power
◎ Active energy
◎ Cumulative and credit energy
◎ Internal relay
◎ One relay / 90A
◎ Relay will disconnected when meter overload
◎ Optical (IR) port
◎ RS485 port
◎ Alarm for not enough balance
◎ Relay disconnected alarm for overload
◎ One card one password
◎ Multiple data encryption
◎ Operating range limit: -40°C to +75°C
◎ Storage range limit: -40°C to +85°C
◎ Relative humidity: ≤ 95%RH
◎ Ingress protection: IP54
Dimensions and weight
◎ Dimensions: 142mm × 108mm × 60mm
◎ Weight: 0.6 kg (Approx.)
◆ DDSY666 Wiring diagram: