Shelly Pro EM energy meter 50A with 1x 50A CT

Shelly Pro EM energy meter 50A with 1x 50A CT

Shelly Pro EM energy meter 50A with 1x 50A CT

What is the Shelly Pro EM‑50? The Shelly Pro EM‑50 is a DIN-rail mounted, two-channel, 1-phase energy meter aimed at professional applications. The device can operate standalone in a local LAN and/or Wi-Fi network, and also supports cloud/home automation connections via MQTT, HTTP, and WebSocket. All incoming connections are TLS supported. Key benefits * 2‑channel 1‑phase energy metering with 4-quadrant measurement (PV‑ready) * LAN + Wi‑Fi + Bluetooth for reliable connectivity * 60 days of local data logs in 1‑minute resolution (non‑volatile memory) * Accuracy class B according to IEC 62053‑21 with optical pulse indication * Integrations: MQTT / HTTP / WebSocket (TLS inbound) + Modbus TCP, scripting & webhooks Real-time measurements and energy insight The Pro EM‑50 reports both aggregated energy and instantaneous voltage, current, and active/apparent power in real time. This makes it suitable for accurate consumption analysis, cost allocation, or optimization in PV scenarios (Solar ready). Data logging: up to 60 days on the device. A key difference compared to much more compact meters: the Shelly Pro EM‑50 stores measurement data in non-volatile memory, retrievable for a period of up to 60 days with 1-minute resolution. Additionally, the device features a real-time clock to maintain accurate timestamps in the event of SNTP/connection loss. Contactor control via built-in relay. The Pro EM‑50 has a built-in relay for contactor control. External loads/contactors can be switched via 2 galvanically isolated relay terminals (I and O). Connections and connectivity (pro integration) * CT inputs: 2 measuring coil (current transformer) inputs (IA and IB) * Power supply: L and N on screw terminals * Ethernet (RJ45) + Wi‑Fi + Bluetooth (each option separately enable/disable) * Embedded web interface for monitoring/configuration Pro features & protocols LAN/Wi‑Fi/Bluetooth, Modbus TCP, scripting, webhooks, and integrations via MQTT, WebSocket, HTTPS, and UDP, including TLS. Furthermore: 4-quadrant measurement, optical pulse indication, and Accuracy Class B (IEC 62053‑21). Practical product data The Shelly Pro EM energy meter 50A with 2× 50A CT has dimensions of 94×19×69 mm. Top Systems article: MON000001115 • EAN 3800235268148

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