DIN-mountable Single-Phase Energy Meter with Contactor Control

The Shelly Pro EM-50 is a DIN rail mountable two-channel, single-phase energy meter. It has an integrated relay with dry contacts for contactor control.

• LAN, Wi-Fi and Bluetooth connection for high security and reliability
• Reports accumulated energy, as well as instantaneous voltage, current, active and apparent power per phase in real-time
• Power metering - two independent measurement channels on the same phase
• 4 Quadrant measurement with optical pulse indication of energy usage
• Can be used with contactors for bigger loads
• Accuracy Class B (IEC 62053-21)
• Photovoltaic ready
• Stores data in non-volatile memory that can be retrieved for a period of up to 60 days in 1-minute intervals.
• No hub required! Easy control through the Shelly Smart Control app, most platforms and protocols, as well as voice assistants. Use it with Alexa, Home Assistant, or your preferred automation system.
• Supports scripting, web hooks, MQTT, WebSocket, HTTPS, UDP, TLS, custom certificates & Modbus TCP protocol

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  Wi-Fi, LAN and Bluetooth Connectivity

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

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  Accuracy class B (active energy)

  Shelly Pro EM - 50 has a measurement accuracy of 1%.

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  MODBUS Support

  Allows for easy and fast deployment in existing industrial installations.

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  Power Monitoring

  Monitors two independent channels on the same phase. Fast notifications and at least 60 days of consumption data in 1-minute intervals.

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  Integrated Relay

  Integrated 2A dry contacts relay for contactor/load control.

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  Scripting Functionality

  Shelly Pro EM - 50A supports MJS scripting, allowing you to create additional features and functionality.

Specification

How it works?

Download Manual