Huawei EMMA-A02 – Intelligent Energy Monitoring Assistant

Huawei EMMA-A02 is an advanced energy management assistant that provides an intelligent solution for optimizing household energy consumption. The device offers prediction-based PV and energy storage (ESS) scheduling, while allowing management of various smart devices such as electric car chargers, SG Ready heat pumps, and smart switches. The built-in WLAN module and simple DIN-rail mounting ensure quick installation and convenient use.

Important features

Intelligent scheduling and optimization:

• Prediction-based optimization of PV and ESS systems for maximum energy efficiency.
• Unified home energy scheduling, including electric car charging and water heating.

Wide compatibility:

• Supports Huawei inverters, such as the SUN2000 series models.
• Connecting smart appliances such as Shelly devices, electric car chargers and heat pumps.

User-friendly design:

• Built-in WLAN module for easy installation and setup.
• LED indicators for status indication (RUN, ALM, COM).

Accurate measurement:

• Measurement accuracy: ±1%.
• Current range: ≤63 A with direct connection, >63 A with external current transformer.
• Voltage range: 85–520 V AC.

Energy efficient operation: Low power consumption: only 4 W.

Environmental resistance:

• Operating temperature: -25°C to +60°C.
• Storage temperature: -40°C to +85°C.
• Relative humidity: 5%–95% (non-condensing).
• Max. operating altitude: 4000 m.

Compact design:

• Dimensions: 108mm × 100mm × 65mm.
• Weight: 0.5 kg.

Recommendations

Huawei EMMA-A02 is a perfect choice for home energy monitoring, especially for households that use solar power systems, energy storage systems, or smart home appliances. Intelligent scheduling and simple operation ensure energy-efficient and sustainable operation.