Single-phase electronic energy meter

Kelu DDS720Single-phase electronic energy meter（RS485）， Integrating metering, billing, display, freezing, RS485 communication, and infrared communication functions, it achieves electricity metering and electricity information collection and storage for individual residential users.

Kelu DDS720Single-phase electronic energy metermainTechnical Specifications:

1. Rated voltage: 220V (single-phase AC)

2. Rated frequency: 50Hz

3. Current specifications: Multiple options available, transformer connection type: 1 (10) A

Direct access type: 5 (60) A, 10 (60) A, 20 (80) A, etc., suitable for different power load scenarios

4. Accuracy level: Active 1.0 level, 2.0 level

5. Dimensions: 160mm in height, 118mm in width, and 66mm in thickness

6 Net weight: all 0.8Kg

7 Working temperature: normal -25 ℃~+55 ℃, limit -30 ℃~+70 ℃

Storage and transportation temperature: -40 ℃ to+70 ℃

Installation and use:

1. The electricity meter has been inspected and sealed before leaving the factory. It is strictly prohibited to open the seal without authorization and can be installed directly.

2. Installation environment: It should be placed inside an indoor or outdoor meter box to avoid rain, strong thermal radiation, and corrosion from corrosive substances, ensuring that environmental parameters meet technical requirements.

3. Installation position: The base plate should be fixed on a sturdy and fire-resistant wall. It is recommended to install it at a height of about 1.8 meters for easy reading and maintenance.

4. Wiring requirements: Strictly follow the wiring diagram on the junction box, prioritize using copper wire connectors for connection, and ensure that the wiring is secure; The power pulse output port is an optocoupler isolated passive output, and attention should be paid to matching the equipment when wiring.