Huawei EMMA-A02 Energy Manager (DIN35 rail, 63 A)

The Huawei EMMA-A02 smart home energy manager enables integrated management of PV inverters, energy storage systems, chargers, and heat pumps. The device is designed for DIN35 rail mounting and features Class 1 measurement accuracy.

The Huawei EMMA-A02 is a smart energy manager designed to coordinate the operation of photovoltaic systems, energy storage, and home loads. The device allows management of up to three PV inverters, two smart chargers, and one directly connected heat pump. Communication takes place via built-in LAN, WAN, RS485 ports, and a WLAN module. Energy measurement accuracy is ±1%, and the direct connection supports current up to 63 A.

Key features

• Support for up to 3 PV inverters and up to 20 Shelly devices
• Class 1 energy measurement accuracy
• Built-in WLAN module for easy commissioning
• Mounting on a standard DIN35 rail
• Compatible with SG Ready heat pumps

Technical data

Dimensions (W × H × D)	108 mm × 100 mm × 65 mm
Weight	0.5 kg
AC power supply voltage (1P2W)	100 ~ 240 V
Maximum current (direct connection)	63 A
Typical power consumption	4 W
Protection degree	IP2X
Operating temperature range	-25 °C ~ +60 °C