The CHINT Smart Meter DDSU66 (220/230V) is a single-phase smart energy meter suitable for mounting on a DIN rail. It is used for accurate monitoring of consumption and production in residential or commercial installations, as well as in photovoltaic systems.

• Supports bidirectional measurement (import/export).
• Displays measurements such as energy (kWh/kvarh), instantaneous power (kW/kvar/kVA), Vrms/Irms, frequency (Hz), and power factor (PF).
• Operates at a nominal voltage of 220–240V with direct current measurement of 0.25–5(80)A (2 wires / 1P2W).
• Features RS485 communication with Modbus‑RTU for easy connection to inverter, data logger, or EMS/BMS system.
• Includes an LCD display and pulse indicator.
• Certified MID B+D with accuracy Class B / 1.0.

Ideal for reliable measurement and easy installation in an electrical panel.