Product parameters

Product Name: Shenzhen Kelu Electric Meter DSS (X) 720 Three phase Three wire Electronic Reactive Power Combination Energy Meter

Accuracy level 1

Communication Protocol DL/T645-1997-1997 Protocol

Reference voltage 3 × 100V;

Current specification 1.5 (6) A,

Reference current 3 * 1.5 (6) A

Dimensions: Length * Width * Thickness: 250mm * 154mm * 67mm

Current specifications and transformer configuration

1.5 (6) A annotation: External 5A current output transformer

5 (6) A annotation: External 5A current output transformer

0.3 (1.2) A annotation: External 1A current output transformer

1 (2) A annotation: External 1A current output transformer

1 (10) A note: External 5A current output transformer * Note: Some places in the southern grid area use

Voltage specifications and meter pulse constant

3*100V

1.5(6)A20000 imp/kw

5(6)A20000 imp/kw

1(10)A20000 imp/kw

0.3(1.2)A100000 imp/kw

1(2)A100000 imp/kw

*Note: imp/kw represents the pulse constant, which represents the number of times the pulse indicator light flashes per kilowatt hour of electricity measured by the meter

Functional classification

• Energy metering function: metering positive and negative active and reactive power, phase wise positive and negative active and reactive power; Reverse electricity is included in forward electricity; Measure the combined reactive power in both forward and reverse directions, as well as the reactive power in four quadrants.

Data storage function: Automatic monthly settlement function, which can store active and reactive power data for the current month and the previous 12 months.

• Display function: Dual row LCD display with power outage constant display function, which can display the monthly accumulated power data of the previous three months.

Data output and communication function: Supports RS-485 communication and far-infrared communication, and can read various electricity data from the meter. And supports DL/T645-1997 multifunctional energy meter communication protocol.

Wiring method

Functional feature diagram

Anti theft function

If a user illegally removes or cuts off voltage or current connections, the electricity meter will issue an alarm signal until the user resumes normal electricity use.

• Open lid recording function

Prevent illegal changes to the circuit.

Lead sealed anti-theft function

Lead seals cannot be restored after one-time use.

Conventional display content of LCD screen

• You can view the current positive and negative active and reactive power consumption of the meter, as well as the phase separated power consumption of A and C.

• Can support viewing the active power consumption of the past 12 months.

• Total, A, and C power parameters: phase failure, reverse, total reset, and timing event recording functions, as well as phase failure, reverse, and reverse phase sequence alarm prompt functions.

Meter reading method

• Display meter reading: Through the cyclic display of the electricity meter, the total electricity consumption, voltage, current, power factor and other data of the meter can be queried on the LCD screen every month.

Communication meter reading: Through RS485 communication port meter reading and handheld infrared meter reading machine, combined with meter reading system, various electricity data of the meter can be read. And supports DL/T645-1997 multifunctional energy meter communication protocol.

Packaging Content

• Kelu DSS (X) 720 three-phase reactive power combination meter

Product User Manual (one copy per box)

• Product Warranty Form