SolaX DDSU666 80A electricity meter for single-phase PV inverters

The DDSU666 from SolaX (MPN: 1040040022) is a precise single-phase electricity meter for self-consumption monitoring, grid export limitation, and smart energy optimization. It offers high Class 1 measurement accuracy, energy-efficient operation with < 1 W self-consumption, and flexible mounting options on 35 mm DIN rails or front mounting. Thanks to the RS485 interface with Modbus RTU, the meter can be seamlessly integrated into SolaX systems and used for comprehensive monitoring via the SolaX Cloud. The fully encapsulated, fuse-free design with natural cooling ensures maximum safety, reliability, and durability. At the same time, the DDSU666 supports clean, efficient, and sustainable energy use, low CO₂ emissions, and an environmentally friendly energy supply.

Your advantages with the SolaX DDSU666:

• Mounting: Quick installation on 35 mm DIN rail
• Measuring accuracy: High precision (class 1) for consumption and yield values
• Energy efficiency: Own consumption < 1 W
• Communication: RS485 (Modbus-RTU) for easy integration into energy management
• Application: Ideal for self-consumption monitoring and grid export limitation
• Safety: Fully encapsulated, fuse-free design for high operational safety
• Compatibility: Works with SolaX systems and SolaXCloud Monitoring
• Intelligent energy management: via the SolaxCloud for monitoring and control
• Manufacturer product warranty: 2 years, information can be found here

The SolaX Cloud – Intelligent energy management

The SolaX Cloud offers a modern platform for real-time monitoring and control of your PV system. With features such as Smart Scene, integrated energy management, and fast data updates, it ensures maximum efficiency, cost savings, and convenient control via the web or app.

Technical data:

• Phases/grid type: 1P2W
• Supply voltage: 184–264.5 V AC, 50/60 Hz
• Measuring current range: 0.25–5(80) A
• Measurement accuracy: Class 1
• Power consumption: ≤ 1 W
• Communication: RS485, Modbus-RTU, 9,600 bps
• Operating temperature: -25°C to +55°C
• Relative humidity: < 75% (non-condensing)
• Mounting: DIN rail 35 mm
• Dimensions (H x W x D): 100 x 36 x 65.5 mm
• Weight (including cable): 1.2 kg

Scope of delivery:
1x SolaX DDSU666 electricity meter (1-phase, up to 80 A)
1x RS485 cable (10 m) with RJ45 connector