Shelly Smart Home
Shelly Pro 3EM 3CT 63
Shelly Pro 3EM-3CT63 is a DIN rail mountable single or three-phase energy meter. It comes with a combined 3-phase current transformer (CT) that is designed to be mounted directly over a circuit breaker. Shelly Pro 3EM-3CT63 measures energy use accurately and can be used in many settings, such as monitoring…
- Shelly Pro 3EM-3CT63 is a DIN rail mountable single or three-phase energy meter. It comes with a combined 3-phase current transformer (CT) that is designed to be mounted directly over a circuit breaker. Shelly Pro 3EM-3CT63 measures energy use accurately and can be used in many settings, such as monitoring…
Reference
Technical specifications
Every value below is sourced from the manufacturer datasheet. Engineering-first hardware, documented down to the last gram.
Works with
Plays well with the platforms you already use.
Connect over Wi-Fi, Bluetooth, or Matter and control from any of the major ecosystems.
- Amazon Alexa Voice
- Google Home Voice
- Apple Home iOS / iPadOS
- Matter Standard
- Home Assistant Open source
- SmartThings Samsung
Real scenarios
See Shelly in action.
Scenes that follow the day
Warm light at 6 PM, blue daylight at 9 AM — schedule once, forget forever.
Read the guideSee every watt in real time
PM-series devices stream consumption so you can spot the AC unit eating your bill at 3 AM.
Read the guideAlerts that reach your pocket
Door/window sensors, flood detectors, and H&T probes push notifications the second something changes.
Read the guide












