HUAWEI Energy Management Assistant (EMMA-A02)

HUAWEI Energy Management Assistant (EMMA-A02) is an advanced solution that integrates energy management, consumption measurement, and communication with other devices into one system. It is an innovative combination of software and hardware technology, supported by artificial intelligence, which enables the optimization of energy use in smart homes.

Product Advantages:
Precise energy management: Class 1 energy measurement accuracy.
Ease of installation: Integrated WLAN/FE module.
Intelligent PV and ESS planning: Optimization based on forecasts.
Compatibility with various household devices: Flexibility in handling different devices.
Convenient measurements: Integrated measurement functions.
Technical Specifications of EMMA-A02:
General Data:
Dimensions (W x H x D): 108 x 100 x 65 mm
Mounting Type: DIN35 Rail
Weight: 0.5 kg
Power Supply:
Grid Type: 1P2W / 3P3W / 3P4W
AC Voltage: 1P2W: 100-240V, 50/60Hz; 3P3W/3P4W: 346-415V, 50/60Hz
Typical Power Consumption: 4W
Interface:
Power Output: 9.5-13.2V @ 100mA, ≤ 3m
LAN/WAN: 10/100Mbps, ≤ 100m
WLAN: AP + STA, 802.11b/g/n (2.412GHz ~ 2.484GHz)
RS485: 9600/19200/115200bps, ≤ 50m
Digital Input/Digital Output: × 2, ≤ 20m
Measurement Range:
Current Range: ≤ 63 A (direct connection), > 63 A (external CT)
Voltage Range: 1P (L-N): 85-299 Vac; 3P (L-L): 148-520 Vac
Energy Accuracy: ± 1%
Device Management:
Smart Energy Controllers: up to 3
Smart Chargers: up to 2
Heat Pumps: up to 22
Shelly Devices: up to 20
Environment:
Operating Temperature Range: -25℃ to +60℃
Storage Temperature Range: -40℃ to +85℃
Relative Humidity Range: 5% - 95% RH (non-condensing)
Max. Operating Altitude: 4000 m (derating > 2000m)
Degree of Protection: IP2X
Compatible Devices:
Smart Energy Controllers: SUN2000-2-6KTL-L1, SUN2000-8-10K-LC0, SUN2000-3-10KTL-M1, SUN2000-12-25KTL-M5, SUN2000-12-25K-MB0
Smart Chargers: SCharger-7KS/22KT-S0
Heat Pumps: SG-ready
Shelly Devices: Shelly Plus Plug S, Shelly Plus 2PM, Shelly Pro 2PM