Description
Shelly PRO EM-50 WIFI Electricity Meter
The Shelly PRO EM-50 WIFI is an advanced electricity meter that revolutionizes the way you monitor and control energy consumption in your home, business, or industrial facility. Featuring a dual-channel, single-phase energy meter, it enables precise measurement and reporting of total energy consumption, as well as voltage, current, active, and apparent power in real time.
Reliability and safety
Thanks to second-generation firmware technology and LAN and Wi-Fi connectivity, the Shelly PRO EM-50 offers operational flexibility and reliability. It can operate in standalone mode on a local LAN or Wi-Fi network, as well as integrate with cloud services for home automation via MQTT, HTTP, and WebSocket. All incoming connections are handled via TLS protocol, ensuring data security.
Complete control of energy consumption
The meter displays total energy consumption, voltage, current, active power, and apparent power per phase in real time. The data is stored in non-volatile memory, allowing it to be viewed for up to 60 days at one-minute intervals. This allows the user to monitor and analyze energy consumption so they can make informed decisions about its efficient use.
Simple installation
The Shelly PRO EM-50 allows remote access, configuration, and monitoring for both the user and home automation systems, provided they are on the same network. The device features a built-in web interface that allows for convenient customization of settings. Furthermore, the intuitive interface makes meter setup and monitoring quick and easy.
| Producer | Shelly |
|---|---|
| Model | Pro EM-50 |
| Dimensions | 94 x 19 x 69 ±0.5 mm |
| Weight | 63 ±1 g |
| Assembly | DIN rail |
| Building materials | Plastic |
| Color | White |
| Room temperature | from -20 °C to 40 °C |
| Humidity | Relative humidity from 30% to 70% |
| Maximum altitude | 2000 m |
| AC supply voltage | 100 – 260 V, 50/60 Hz |
| energy consumption | < 3 W |
| Maximum AC switching voltage | 240 V |
| Maximum switching current | 2 A |
| internal temperature sensor | YES |
| Voltmeter (RMS) | 100 – 260 V |
| Voltmeter accuracy | ±1% |
| Ammeters (rms value via current transformer) | 0 – 50 A |
| Ammeter 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 |
| Storage of measurement data | At least 60 days with 1 minute data resolution |
| Data export | CSV file for recorded PQ values, export to JSON format via RPC |
| Wi-Fi range | Up to 30 m indoors and 50 m outdoors (depending on local conditions) |
| Bluetooth Protocol | 4.2 |
| Bluetooth range | Up to 10 m indoors and 30 m outdoors (depending on local conditions) |
| processor | ESP32-D0WDQ6 |
| Flash memory | 16 MB |
| Webhook (URL sharing) | 20 with 5 URLs for each hook |
| Screenplays | YES |
| MQTT | YES |
| CoAP | NO |
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