Wi-Fi power meter with protection control Shelly Pro EM-50 is a single-phase two-channel energy meter for DIN rail mounting. It has an integrated switch with potential-free contacts for contactor control. No hub required! Simple control using the Shelly Smart Control APP, most platforms and protocols, and voice wizards. You can use it with Alexa, Home Assistant or your preferred automation system. Your intelligent solution for precise power monitoring and control Shelly Pro EM-50A is a DIN-mountable 1-phase power meter with built-in switch for contactor control. With an accuracy of 1% when measuring active energy, the Shelly Pro ЕМ-50 can be used to monitor consumption and control any household appliances, circuits and office equipment. The device has a data history of 60 days in 1 minute intervals. In addition, its scripting capabilities allow complex scenes to be executed and provide more comprehensive monitoring capabilities. This text is machine translated.