Products in 3D

The technology inside our solar packages

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3D model of Huawei EMMA-A02
W x H x D
108 x 100 x 65 mm
Weight
0.5 kg

3D model from manufacturer dimensions

Technical data

All figures for the Huawei EMMA-A02 from the manufacturer datasheet and manual

Open datasheet (PDF)

Power

Function
Home energy management. Unified scheduling of PV inverters, energy storage, chargers and smart loads, power control at the grid connection point, load consumption optimisation and negative tariff optimisation
Own consumption
4 W

Electrical

Accuracy
Class 1, error within plus or minus 1%
Current rating
Direct connection up to 63 A, external CT above 63 A
Nominal AC input / output voltage
1P2W 100 to 240 V, 3P3W 346 to 415 V, 3P4W 346 to 415 V, 50/60 Hz

Grid

Phases
Single-phase, three-phase three-wire, three-phase four-wire

Connectivity

Ports
2 x RS485 (9600 / 19200 / 115200 bit/s, up to 50 m), 1 x LAN and 1 x WAN 10/100 Mbit/s (up to 100 m), WLAN 802.11 b/g/n on 2.4 GHz in AP and STA mode, 2 x digital input, 2 x digital output, external CT port, 12 V / 100 mA power output
Protocol
Modbus-TCP and third-party VPP integration, including FCR-D frequency regulation
Devices managed
Up to 3 smart energy controllers (inverters), up to 2 smart chargers, 1 heat pump directly, up to 20 Shelly smart switches
How devices connect
Inverters over RS485. Router over Ethernet or WLAN. One Huawei charger or one energy storage system can go directly on the LAN port over Ethernet. SG Ready heat pump over dry contacts or an external relay. Smart switches and other smart loads over the router
Compatible inverters
SUN2000-2/3/3.68/4/4.6/5/6KTL-L1, SUN2000-8/10K-LC0, SUN2000-3/4/5/6/8/10KTL-M1, SUN2000-12/15/17/20/25KTL-M5, SUN2000-12/15/17/20/25K-MB0, SUN2000-5/6/8/10/12K-MAP0, SUN5000-8/12K-MAP0, SUN5000-17/25K-MB0
Smart scheduling with storage
LUNA2000-5/10/15-S0 and LUNA2000-7/14/21-S1

Mechanical

Installation
DIN 35 mm standard rail in a distribution box
Ingress protection
IP2X
Operating temperature range
-25 C to +60 C
Max. operating altitude
4000 m
Relative humidity
5% to 95% RH, non-condensing
Dimensions (W / H / D)
108 x 100 x 65 mm

Warranty

Manufacturer warranty
2 years

Source: manufacturer datasheet and installation manual, as of September 2026. Subject to change, the manufacturer documents prevail.

Product photos

Huawei EMMA-A02 as shown by the manufacturer

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