Single-phase Energy Meter Solax Chint DDSU666

Product description

The Solax Chint DDSU666 Single-Phase Energy Meter is an intelligent energy meter for self-consumption solar systems with single-phase inverters. It provides accurate reading of key electrical parameters such as voltage, current, active energy, power, and power factor, all in a compact DIN rail-mountable unit. Its direct connection up to 80 A eliminates the need for current transformers (CT), simplifying installation.

Main features

• Direct measurement up to 80 A without external transformers
• RS-485 communication with Modbus RTU protocol
• Native compatibility with Solax X1 series inverters
• Bidirectional reading: energy import and export
• Backlit LCD display with front configuration buttons
• Class B 1.0 accuracy according to EN50470-1/3 standard

Advantages or benefits

• Easy installation and configuration without the need for CT
• Enables the “zero export” function with Solax inverters
• Local parameter display without relying on online platforms
• Ideal for domestic monitoring and efficient energy management
• Robust and compact design with IP54 protection

Purpose or applications

Designed for residential or commercial single-phase solar installations, the DDSU666 is perfect for systems with Solax inverters that require reliable and simple monitoring. It can also be integrated with other inverters that accept Modbus RTU communication via RS‑485, such as Huawei or SAJ, as well as with home automation or SCADA systems.

Technical specifications

Compatibilities

This product is compatible with: Solax X1 Boost, Solax X1 Hybrid, Solax X1 Mini, and other single-phase inverters with RS‑485 Modbus RTU input such as Huawei or SAJ.

Solax Chint DDSU666 Single-Phase Energy Meter is a professional solution for demanding renewable energy projects. Increases autonomy, optimizes consumption control, and improves the efficiency of your installation.