Shelly Pro 3EM

  • €92,55
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Next-generation DIN-mountable 3-Phase Energy Meter

Shelly Pro 3EM is a DIN rail mountable three-phase energy meter. Enhanced with all the gen2 firmware flexibility and LAN connectivity, it provides professional integrators with additional options for end-customer solutions. Shelly Pro 3EM reports accumulated energy as well as instantaneous voltage, current, and power factor per phase in real-time.

  • 4 quadrant measurement with multiple connection types
  • Accuracy Class B (IEC 62053-21) active energy
  • Photovoltaic ready
  • Phase sequence error detection* (option)
  • Optical pulse indication of energy usage
  • Measurement accuracy tо 1%
  • Stores data in non-volatile memory that can be retrieved for a period of up to 60 days in 1-minute intervals
  • Package includes 3 pieces of 120A Current Transformers


Current Transformer:3 x CT120 included in the package
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
Ambient temperature:-20 °C to 40 °C / -5 °F to 105 °F
Humidity:30 % to 70 % RH
Max. altitude:2000 m / 6562 ft
Power supply voltage AC:110 - 240 V, 50/60 Hz
Power supply voltage DC:N/A
Power consumption:< 3 W
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
Measurement data storage:At least 60 days of 1 min data resolution
Data export:CSV for PQ recorded values, JSON format export trough RPC
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
Flash:16 MB
Webhooks (URL actions):20 with 5 URLs per hook

Warranty and Support:
Warranty inquiries and troubleshooting via the Shelly-Support-Ticketsystem