Shelly Pro 3EM 400A 3-Phase Energy Meter (SH-SHELLY3EMPRO400)

Size (HxWxD)

94x19x69 ±0.5 mm / 3.70x0.75x2.71 ±0.02 in

Weight

62 ±1 g / 2.19 ±0.05 oz

Mounting

DIN rail

Screw terminals max torque

0.4 Nm / 4.43 lbin

Conductor cross section

0.5 to 2.5 mm² / 20 to 14 AWG (solid, stranded and bootlace lugs)

Conductor stripped length

6 to 7 mm / 0.24 to 0.28 in

Shell material

Plastic

Color

White

ENVIRONMENTAL

Ambient temperature

-20 °C to 40 °C / -5 °F to 105 °F

Humidity

30 % to 70 % RH

Max. altitude

2000 m / 6562 ft

ELECTRICAL

Power supply voltage AC

110 - 240 V, 50/60 Hz

Power supply voltage DC

N/A

Power consumption

< 3 W

External protection

Tripping characteristic B or C, 16A max. rated current, min. 6 kA interrupting rating, energy limiting class 3

SENSORS, METERS

Internal-temperature   sensor

Yes

Voltmeters (RMS for each phase)

100 - 260 V

Voltmeters accuracy

±1 %

Ammeters (RMS via CT for each phase and the Neutral)

0 - 400 A

Compatible   CT

CT-400A

Ammeters accuracy

±1 % (5 - 400 A), ±2 % (0 - 5 A)

Power and energy meters

Active and apparent power

Active and apparent energy

Power factor

Fundamental active and fundamental reactive energy

Channel-to-channel calibration minimum load

5000 W per channel

No load threshold

30 VA per channel

Measurement data storage

At least 60 days of 1 min data resolution

Data export

CSV for PQ recorded values

JSON format export through RPC

RADIO

RF band

2400 - 2495 MHz

Max. RF power

<20 dBm

Wi-Fi protocol

802.11 b/g/n

Wi-Fi Range

Up to 30 m / 100 ft indoors and 50 m / 160 ft outdoors
(Depends on local conditions)

Bluetooth Protocol

4.2

Bluetooth Range

Up to 10 m / 33 ft indoors and 30 m / 100 ft outdoors
(Depends on local conditions)

MCU

CPU

ESP32-D0WDQ6

Flash

16 MB

FIRMWARE CAPABILITIES

Webhooks (URL actions)

20 with 5 URLs per hook

Scripting

Yes

MQTT

Yes

CoAP

No