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Huawei EMMA-A02 is a smart energy management assistant that combines supervision over inverters, energy storage, optimizers, chargers, and receivers in one device. It enables consumption optimization and lowers energy bills.
Huawei EMMA-A02 (Energy Management Assistant) is a smart energy management assistant that provides unified, comprehensive control over inverters, energy storage, optimizers, chargers, and home receivers. It offers features such as peak shaving, PV energy consumption priority, grid feed-in power limitation, and automatic generator start/stop. It supports Modbus-TCP and integration with third-party VPPs, and thanks to the connection with the Nord Pool power exchange, it enables price arbitrage in dynamic tariffs.
| Model | EMMA-A02 |
| Dimensions (W × H × D) | 108 mm × 100 mm × 65 mm |
| Mounting | DIN35 rail |
| Weight | 0.5 kg |
| AC power supply | 1P2W: 100–240 V; 3P3W/3P4W: 346–415 V; 50/60 Hz |
| Typical power consumption | 4 W |
| Communication | LAN, WAN, WLAN (802.11b/g/n), RS485 × 2 |
| Measurement current range | direct ≤ 63 A; external CT > 63 A |
| Energy measurement accuracy | ±1% |
| Operating temperature | –25°C to +60°C |
| Max. operating altitude | 4000 m (derating above 2000 m) |
| Protection degree | IP2X |
Huawei EMMA-A02 Energy Management Assistant - smart energy manager — B2B wholesale prices for installers and contractors. Check availability and terms of cooperation: contact us.
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