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Shelly Pro EM - 50
Shelly Pro EM - 50 - Image 2
Shelly Pro EM - 50 - Image 3

Shelly Smart Home

Shelly Pro EM – 50

71.000 JOD

5 Years Manufacturer Warranty

1-Phase Energy Meter with an integrated switch for contactor control. Control and monitor the consumption of any home appliances, electric circuits and office equipment.

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  • 1-Phase Energy Meter with an integrated switch for contactor control. Control and monitor the consumption of any home appliances, electric circuits and office equipment.

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
    63 ±1 g / 2.22 ±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

Output circuits ratings

  • Max switching voltage AC
    240 V
  • Max switching voltage DC
    N/A
  • Max switching current
    2 A
05

Sensors, meters

  • Internal-temperature sensor
    Yes
  • Voltmeter (RMS)
    100 – 260 V
  • Voltmeters accuracy
    ±1 %
  • Ammeters (RMS via CT)
    0 – 50 A
  • Ammeters accuracy
    ±1 % (5 – 50 A), ±2 % (0 – 5 A)
  • Power and energy meters
    Active and apparent power

  • Active and apparent energy

  • Power factor
  • 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
06

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)
07

MCU

  • CPU
    ESP32-D0WDQ6
  • Flash
    16 MB
08

Firmware capabilities

  • Webhooks (URL actions)
    20 with 5 URLs per hook
  • Scripting
    Yes
  • MQTT
    Yes
  • CoAP
    No

Works with

Plays well with the platforms you already use.

Connect over Wi-Fi, Bluetooth, or Matter and control from any of the major ecosystems.

  • Amazon Alexa Voice
  • Google Home Voice
  • Apple Home iOS / iPadOS
  • Matter Standard
  • Home Assistant Open source
  • SmartThings Samsung

Real scenarios

See Shelly in action.

Lighting

Scenes that follow the day

Warm light at 6 PM, blue daylight at 9 AM — schedule once, forget forever.

Read the guide
Energy

See every watt in real time

PM-series devices stream consumption so you can spot the AC unit eating your bill at 3 AM.

Read the guide
Security

Alerts that reach your pocket

Door/window sensors, flood detectors, and H&T probes push notifications the second something changes.

Read the guide

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