Shelly Smart Home

Shelly Pro 3EM

Name: Shelly Pro 3EM
SKU: 270
Availability: InStock

5 Years Manufacturer Warranty

3-Phase Energy Meter with LAN, Wi-Fi and Bluetooth. Monitor the consumption of any home appliance, electric circuits and office equipment individually with active energy measurement accuracy of 1%.

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3-Phase Energy Meter with LAN, Wi-Fi and Bluetooth. Monitor the consumption of any home appliance, electric circuits and office equipment individually with active energy measurement accuracy of 1%.

Reference

Technical specifications

Every value below is sourced from the manufacturer datasheet. Engineering-first hardware, documented down to the last gram.

01

Physical

Size (HxWxD)
94x19x69 ±0.5 mm / 3.70×0.75×2.71 ±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

02

Environmental

Ambient temperature
-20 °C to 40 °C / -5 °F to 105 °F
Humidity
30 % to 70 % RH
Max. altitude
2000 m / 6562 ft

03

Electrical

Power supply voltage AC
110 – 240 V, 50/60 Hz
Power supply voltage DC
N/A
Power consumption
< 3 W

04

Sensors, meters

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 – 120 A
Ammeters accuracy
±1 % (2 – 120 A), ±2 % (1 – 2 A), ±5 % (0 – 1 A)
Power and energy meters
Active and apparent power, Active and apparent energy, Power factor, Fundamental active and fundamental reactive energy
No load threshold
30 VA per phase
Measurement data storage
At least 60 days of 1 min data resolution
Data export
CSV for PQ recorded values JSON format export through RPC

05

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)