2x Load quality
365 days built-in energy history (Wh)
Relay output for contactor control
REMOTE CONTROL FROM ANYWHERE
You can manage ShellyEM output from Shelly app, MQTT or Rest API
Automatic shutdown or notification when reaching current consumption limit.
TURN OFF WHEN TOTAL CONSUMPTION IS REACHED
Automatic shutdown when power is reached.
WEEKLY SCHEDULING BY TIME OR SUN POSITION
Auto turn on and off by hour or sunset and sunrise.
Shelly ЕМ comes with a programming/debug header which can be used to flash alternative firmware on the device. It has an ESP8266 inside, with a 4MB flash chip. A USB-to-UART adapter is needed as well as a reliable 3.3V with at least 350 mA drive capability.
The following diagram shows the device pinout: