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The final day for shipping before Christmas will be the 20th December. Any orders received after 5PM on the 20th will be sent out in January.
The final day for shipping before Christmas will be the 20th December. Any orders received after 5PM on the 20th will be sent out in January.

Shelly Pro 3EM-120A

Original price £139.99 - Original price £139.99
Original price
£139.99
£139.99 - £139.99
Current price £139.99

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.

  • can measure up to 120A per phase and the neutral
  • 4 quadrant measurement with multiple connection types
  • Accuracy Class B active energy (Compliance with IEC 62053-21 based on manufacturer testing)
  • 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

 

Specifications
PHYSICAL
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
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
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: mJS
MQTT: Yes
CoAP: No