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        Feb 28, 2023
        Shelly Pro 3EM
        €119.90Excl. VAT
        Choose your product
        Available fromFeb 28, 2023

        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
        Shelly Pro 3EM
        €119.90
        why shelly pro 3em?
        Next-generation 3-Phase Energy Meter

        Shelly Pro 3EM is a Wi-Fi-operated DIN-mountable 3-Phase Energy Meter with Wi-Fi, Bluetooth, and LAN connectivity. With active energy measurement accuracy of 1%, Shelly Pro 3EM can be used to monitor the consumption of any home appliances, electric circuits, and office equipment individually. It features 60 days of on-device historical data with a 1-minute resolution for each phase. Additionally, its scripting functionalities allow for the execution of complex scenes and provide broader monitoring abilities.

        Functionalities
        4-quadrant measurement

        Measure capacitive and inductive load types of active imported and exported energies. 

        Accuracy class B (active energy)

        Shelly Pro 3EM has a measurement accuracy of  1%.

        MODBUS 
        support

        Allows for easy and fast deployment in existing industrial installations. 

        Wi-Fi, LAN, and Bluetooth connectivity

        Simultaneous Ethernet and Wi-Fi usage. MQTT, inbound and outbound WebSocket, UDP, mTLS support.

        Power
         monitoring

        Monitors mono-phase electrical systems with up to 3 points simultaneously. Fast notifications and at least 60 days of 1-minute records storage.

        Scripting
        functionalities

        Shelly Pro 3PM fully supports mjS scripting, allowing you to create further features and functionalities.

        features
        Industry-grade security

        Shelly Pro 3EM supports mTLS for MQTT, HTTP, and secure outbound WebSockets. Its industry-grade security allows for direct connections to your cloud infrastructure, reducing the cost of deploying complex networks and VPNs.

        Endless use applications

        use cases
        Industrial installations

        Shelly Pro 3EM brings support for MODBUS for voltage, current, power, and energies. You can accurately sample your energy usage and instantaneous values of voltage, current, and power. Our new firmware platform allows for custom implementation that can report as fast as every 100ms to your infrastructure.

        use cases
        2-way energy consumption monitoring

        Monitor your home, office, or factory, and avoid additional expenses or drops in voltage that can damage your appliances and devices. Shelly Pro 3EM can calculate 2-way consumption: produced and used energy for each of the three phases. The device can be configured to measure three separate circuits of a mono-phase electrical system. View the quality of your electricity network regarding active power, reactive power, voltage, and power factor.

        use cases
        Local control

        Thanks to Shelly Pro 3EM's scripting functionalities and webhooks, you can now easily control other Shelly or Wi-Fi devices on your local network. Use these capabilities to set exact parameters for heating, cooling, or electric vehicle charging based on PV production and have your devices automatically shed power usage. All these work without using a cloud. 

        use cases
        Solar panels monitoring and control

        Keep track of how much energy your solar panels or wind turbines are generating and save effortlessly. Shelly Pro 3EM provides real-time information about the efficiency of the solar and wind energy system, as well as historical data on how much energy has been generated and consumed every minute for the past 60 days. This helps you control the energy flow, getting the most out of your solar panels and wind turbines. To take it a step further, connect Shelly Pro 3EM to your other Shelly devices and create scenes to trigger desired actions like turning off appliances or sounding alarms. 

        Smart home control, perfected.

        Shelly Cloud App

        Download the Shelly Cloud App. Sign up/in to your account to begin your Smart home or Office journey.  Available for iOS, Android, and Huawei! 
        Full compatibility
        Shelly devices are compatible with Alexa, Google Home, Android and iOS. Together with the voice assistant, you can command Shelly devices using just your voice! 
        OK Google, set Lights to 60 percent
        Alexa, set the curtains to 75 percent
        Specifications
        PHYSICAL
        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
        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
        Measurement data storage:At least 60 days of 1 min data resolution
        Data export:CSV for PQ recorded values, JSON format export trough RPC
        RADIO
        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
        CPU:ESP32-D0WDQ6
        Flash:16 MB
        FIRMWARE CAPABILITIES
        Webhooks (URL actions):20 with 5 URLs per hook
        Scripting:mJS
        MQTT:Yes
        CoAP:No