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Note: 1) "M" in the specification code represents multiple of current.

Ordering Information:

The Ordering code for a DDSY606 single-phase prepaid electronic energy meter without 485 interface (220V, Class 1 & 5(20)A) is DDSY606M120M4.

■The design and structure of the energy meter ensure no danger when used under rated conditions.

■The relay on the internal circuit board can be directly used for power-on/off control.

■Dual-direction energy metering can measure accurately Forward and backward power. The two direction energy is metered as one direction.

■Prepayment for electricity use. It gives alarm when the electricity pre-purchased is less than set and cuts off power when the electricity pre-purchased is used up.

■The used energy and dump energy is displayed in cycle by digital tube display.

■The memorization function ensures the data is not lost when the power is off and is recovered after power recovery. The data of the meter can be saved for 10 years after the power is off.

■The meter can recognize invalid cards. It displays "Err" when an invalid card is inserted.

■Max. Storage Energy: 9999 kW?h;

■Parameter setting, energy pre-store and information mirror-writing are available by a normal contact IC card.

■Feature with function of three-class alarming and energy on credit, and the function of alarm display, audible alarm, alarm & power-off, and energy on credit are optional.

■Feature with 485 communication, is able to read meter serial number, as well as the data of remained energy, used energy, time(s) of energy purchasing, last purchased energy etc., and comply with  DL/T 645-2007 Communication Protocol; 

Wiring Diagram: