Price unavailable right now
Updated October 2026
Data from the official NodOn and Shelly sites.
2026 verdict
Shelly Pro 3EM 3CT63 wins the 2026 matchup against NodOn 3CT Zigbee Energy Meter, mainly on warranty, connectivity, and integrations.
What pushes it ahead is warranty, connectivity, and integrations, and data & monitoring and local control keep the advantage from looking narrow. Choose NodOn 3CT Zigbee Energy Meter only if its specific feature mix matters more to you than the broader advantage from Shelly Pro 3EM 3CT63. Overall, Shelly Pro 3EM 3CT63 makes more sense for most people.
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| Feature | NodOn 3CT Zigbee Energy Meter | Shelly Pro 3EM 3CT63 | Winner |
|---|---|---|---|
| Warranty | 2 years | 5 years | Shelly Pro 3EM 3CT63 |
| Connectivity | Zigbee, Other | 2.4 GHz WiFi, Ethernet, Bluetooth, Other | Shelly Pro 3EM 3CT63 |
| Integrations | Home Assistant | Google Home, Alexa, Samsung SmartThings, Home Assistant | Shelly Pro 3EM 3CT63 |
| Data & Monitoring | None | Energy Cost Tracking, Time-of-Use Rates, Data Export, Usage Alerts | Shelly Pro 3EM 3CT63 |
| Local Control | Local API | Local API, MQTT, Local Web Interface | Shelly Pro 3EM 3CT63 |
| Metering | Three-Phase Support, Solar Net Metering, Power Factor Readings | Three-Phase Support, Solar Net Metering, Power Factor Readings | Tie |
| Breaker Panel Install | YES | YES | Tie |
| Smart Meter Port | NO | NO | Tie |
| Relay Output | NO | NO | Tie |
| Load Management | YES | YES | Tie |
Price unavailable right now
- - Warranty: 2 years vs 5 years
- - Connectivity: Zigbee, Other vs 2.4 GHz WiFi, Ethernet, Bluetooth, Other
Winner
$150.99
- + Warranty: 5 years
- + Connectivity: 2.4 GHz WiFi, Ethernet, Bluetooth, Other
- + Integrations: Google Home, Alexa, Samsung SmartThings, Home Assistant
Frequently Asked Questions
Which is better overall: NodOn 3CT Zigbee Energy Meter or Shelly Pro 3EM 3CT63?
Shelly Pro 3EM 3CT63 has the stronger overall profile in this comparison, especially for warranty, connectivity, and integrations.
What is the biggest difference between NodOn 3CT Zigbee Energy Meter and Shelly Pro 3EM 3CT63?
Warranty is one of the clearest differences: NodOn 3CT Zigbee Energy Meter lists 2 years, while Shelly Pro 3EM 3CT63 lists 5 years.
Who should buy NodOn 3CT Zigbee Energy Meter?
Choose NodOn 3CT Zigbee Energy Meter if your priority is its specific strengths and that matters more than warranty.
Who should buy Shelly Pro 3EM 3CT63?
Choose Shelly Pro 3EM 3CT63 if your priority is warranty and connectivity and that matters more than the competing advantages.
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Compare all 25 Energy Monitors side by side
You are looking at two of them. The full table lines up all Energy Monitors in the catalog with the same specs, so you can filter by what you need and sort by price or rating.
- 25 Energy Monitors
- 46 specs compared
- 43 filters
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- Buttons
Battery-free Zigbee Wall Switch
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3CT Zigbee Energy Meter
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Zigbee Smart Energy Monitor
- IR Remote Controls
Zigbee AC Infrared Controller
- Radiator Valves
Zigbee Thermostatic Radiator Valve
- Relays
Zigbee Multifunction Relay Switch with Metering
- Relays
Zigbee Multifunction Relay Switch
- Relays
Zigbee ON/OFF Lighting Relay Switch
- Relays
Zigbee Pilot Wire Heating Module
- Relays
Zigbee Roller Shutter Relay Switch
- Temperature & Humidity Sensors
Zigbee Temperature and Humidity Sensor
- Buttons
BLU Button Tough 1 ZB
- Buttons
BLU RC Button 4 ZB
- Cameras
Camera
- Displays
Wall Display X1i
- Displays
Wall Display XL
- Displays
Wall Display
- Door & Window Sensors
BLU Door/Window Outdoor ZB
- Door & Window Sensors
BLU Door/Window ZB
- Energy Monitors
3EM-63W Gen3
- Energy Monitors
EM Gen3
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EM Gen4
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EM Mini Gen4
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Pro 3EM 3CT63
- Energy Monitors
Pro 3EM-400
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Pro 3EM v2
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Pro EM-50
- Gas Detectors
GAS (CNG)
- Gas Detectors
GAS (LPG)
- LED Bulbs
Multicolor Bulb E27 Gen3
- Motion Sensors
BLU Motion ZB