CHINT DDSU666 Single-Phase Smart Meter
The Chint DDSU666 single-phase smart energy meter is designed to act as an ultra-precise bidirectional measuring unit in residential solar installations. It is used to monitor the flow of electricity between the public grid and the home in real time, enabling the inverter to intelligently regulate battery charging and optimise the household's overall energy consumption.
- Measurement and Monitoring: This smart meter offers direct measurement up to 80A, RS485 communication via Modbus-RTU protocol and a backlit LCD display for accurate monitoring of active power.
- This product is an accessory compatible with Sofar Solar inverters in the ESI range (models ESI 3K-S1, ESI 3.6K-S1, ESI 4K-S1, ESI 4.6K-S1, ESI 5K-S1, ESI 6K-S1) and all Deye single-phase hybrid inverters, specifically including models SUN-3.6K-SG03/05LP1, SUN-5K-SG03/05LP1, SUN-6K-SG03/05LP1, SUN-7.6K-SG05LP1 and SUN-8K-SG01LP1.
- It allows you to configure the zero export function for full compliance with the electricity grid, while offering granular monitoring to maximise the efficiency of your photovoltaic installation.
Chint DDSU666 Single-Phase Smart Meter
The Chint DDSU666 Single-Phase Smart Meter is a high-precision smart energy meter designed for dynamic management of photovoltaic installations. Thanks to its bidirectional measurement, it allows you to monitor production, consumption and network import and export flows in real time, in order to maximise your self-consumption rate.
Wide compatibility: Deye & Sofar Solar
The Chint DDSU666 meter is a benchmark accessory for monitoring and managing zero injection. It is natively compatible with:
- Deye single-phase hybrid inverters: SUN-3.6K / 5K / 6K / 7.6K / 8K series (SG01 / SG03 / SG05LP1).
- Sofar Solar ESI inverters: ESI 3K-S1 to 6K-S1 models, with full integration with the SolarMan Smart application.
Technical note: Communication via Modbus-RTU on RS485 connection, enabling instantaneous regulation of battery charge and precise management of grid injection.
Real-time monitoring via SolarMan Smart
The Chint DDSU666 transmits data directly to the inverter, providing complete visibility from the SolarMan Smart application:
- Real-time flows: production, consumption and storage
- Instantaneous solar production
- Automatically calculatedself-consumption rate
- Real-timegrid import/export
- Detailed history (day, week, month, year)
- Smart alerts in case of anomalies
- Battery optimisation: compatible with Pylontech, Delong and Sofar BTS 5K batteries
High-precision bidirectional measurement
The DDSU666 meter guarantees professional accuracy for your entire energy ecosystem:
Quick and easy installation
The DDSU666 connects directly to an existing single-phase installation. Its plug-and-play design makes commissioning easy:
- Single-phase connection: 230V phase/neutral
- Automatic RS485 communication
- Configuration via SolarMan Smart
- Compact mounting: DIN rail, electrical panel
Main technical specifications
- Network: Single-phase 230V
- Measurement: Bidirectional (import/export)
- Communication: RS485 – Modbus RTU
- Display: Backlit LCD screen
- Application: SolarMan Smart (iOS/Android)
- Applications: Residential, battery storage, zero injection
- Installation: Standard DIN rail
Why choose the Chint DDSU666 meter?
- Extensive compatibility: Deye & Sofar Solar
- Certified accuracy: Reliable energy flow monitoring
- Financial optimisation: Maximisation of self-consumption
- Quick installation: Plug-and-play with automatic detection
FAQ - Chint DDSU666 Smart Meter
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CHINT DDSU666 Single-Phase Smart Meter — Energy meter
CHINT DDSU666 Single-Phase Smart Meter by CHINT is available in our Energy meter catalog. Product weight: 0.5 kg. Reference: 901.00000057-0.