EMMA Specs_Smart Energy Management Assistant Specs

EMMA-A02

EMMA

EMMA-A02

EMMA

Technical Specification EMMA-A02

General Data

Dimension (W × H × D) 108 mm × 100 mm × 65 mm

Mounting type DIN35 Rail

Height requirement of cabinet ≥ 47.5 mm

Weight 0.5 kg

Power Supply

AC voltage 1P2W: 100 ~ 240 V, 50 / 60 Hz 3P3W: 346 ~ 415 V, 50 / 60 Hz 3P4W: 346 ~ 415 V, 50 / 60 Hz

Typical power consumption 4 W

Interface

Power output 9.5 ~ 13.2 V @ 100 mA, ≤ 3 m

LAN 10 / 100 Mbps, ≤ 100 m

WAN 10 / 100 Mbps, ≤ 100 m

WLAN AP + STA, 802.11b/g/n (2.412 GHz ~ 2.484 GHz)

RS485 9600 / 19200 / 115200 bps,× 2, ≤ 50 m

Digital input × 2, ≤ 20 m

Digital output × 2, ≤ 20 m

Interaction

LED LED Indicator × 3 RUN, ALM, COM

Button RST

APP Communication by WLAN for Commissioning

Measurement Range

Current range Direct connection: ≤ 63 A, external CT¹ : > 63 A

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 pump up to 1²

Shelly device up to 20

Environment

Operating temperature range -25 °C~ +60 °C

Storage temperature range -40 °C~ +85 °C

Relative humidity range 5% ~ 95% RH (non condensing)

Max. operating altitude 4000 m (derating over 2000 m)

Degree of protection IP2X

Compatible Device

Smart energy controller 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 charger SCharger-7KS/22KT-S0

Heat pump SG-ready

Shelly device Shelly Plus Plug S, Shelly Plus 2PM, Shelly Pro 2PM³

Smart Scheduling⁴ 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+ LUNA2000-5/10/15-S0 / LUNA2000-7/14/21-S1

Dynamic tarif Automatically connect to Nord Pool electricity market and obtain day-ahead dynamic tariff.
(Available in Sweden, Denmark, Finland, Norway, Lithuania, Estonia, Latvia, and the Netherlands.)

*1. The secondary current of an external CT connected shall be 50 mA, and the cable length can be up to 30 m.

*2. A heat pump can be directly connected to EMMA-A02. More appliances can be connected through a Shelly device.

*3. For the Shelly device firmware version supported, please refer to the user manual.

*4. The smart scheduling function of the EMMA is offered free of charge for two years from the trial start date. After this period, we reserve the right to charge for this service.

Disclaimer: the preceding values are measured by an internal laboratory of Huawei in a specific environment. The actual values may vary with products, software versions, usage conditions, and environmental factors.