Shelly Pro 3EM-3CT63 WiFi 1/3-Phase Energy Meter with 3CT63 Clamps

The Shelly Pro 3EM-3CT63 is a professional three-phase energy meter designed for accurate real-time power monitoring in residential and commercial installations. It supports single-phase and three-phase systems, measuring voltage, current, active and apparent power per phase with 4-quadrant capability. The device connects via Wi-Fi, LAN, or Bluetooth and integrates seamlessly with home automation systems through KNX, Modbus, MQTT, and WebSocket. Data is stored locally for 60 days, and the free Shelly Smart Control app provides remote access and automation. The package includes the Shelly Pro 3EM meter and three 3CT63 current transformers for non-contact measurement.

• Accurate 3-phase energy monitoring – Measures voltage, current, active/apparent power, power factor, and energy with ±1% accuracy.
• Versatile connectivity – Built-in Wi-Fi, LAN, and Bluetooth; supports KNX, Modbus, MQTT, WebSocket for smart home integration.
• DIN rail mounting – Compact design (94x19x69 mm) fits standard electrical panels.
• Includes 3CT63 current transformers – For non-contact measurement up to 63 A per phase.
• 60-day data logging – Onboard memory with real-time clock ensures data continuity even without internet.
• Free Shelly Smart Control app – Monitor consumption, create automations, and receive alerts from anywhere.

Ideal for monitoring EV chargers, PV systems, whole-house consumption, or commercial loads. Requires a circuit breaker (B or C curve, max 16 A) for protection.