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Energy Monitors · Head to head

NodOn 3CT Zigbee Energy Meter vs Shelly Pro EM-50

Full Smart Energy Monitors comparison in 2026

Updated September 2026
Data from Amazon and official NodOn and Shelly sites.
2026 verdict
Shelly Pro EM-50 is the more complete option versus NodOn 3CT Zigbee Energy Meter in 2026, helped most by warranty, connectivity, and integrations.
Shelly Pro EM-50
Winner
Shelly Pro EM-50
$119.99
Buy on Amazon USACheck price
Its strongest advantages show up in warranty, connectivity, and integrations, with data & monitoring and local control helping widen the gap. NodOn 3CT Zigbee Energy Meter still makes sense if metering is your priority, but most buyers should still lean toward Shelly Pro EM-50. For the average buyer, Shelly Pro EM-50 is the safer choice.
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FeatureNodOn 3CT Zigbee Energy MeterShelly Pro EM-50Winner
Warranty2 years3 yearsShelly Pro EM-50
MeteringThree-Phase Support, Solar Net Metering, Power Factor ReadingsSolar Net Metering, Power Factor ReadingsNodOn 3CT Zigbee Energy Meter
ConnectivityZigbee, Other2.4 GHz WiFi, Ethernet, Bluetooth, OtherShelly Pro EM-50
IntegrationsHome AssistantGoogle Home, Alexa, Samsung SmartThings, Home AssistantShelly Pro EM-50
Data & MonitoringNoneEnergy Cost Tracking, Time-of-Use Rates, Data Export, Usage AlertsShelly Pro EM-50
Local ControlLocal APILocal API, MQTT, Local Web InterfaceShelly Pro EM-50
Relay OutputNOYESShelly Pro EM-50
Breaker Panel InstallYESYESTie
Smart Meter PortNONOTie
Load ManagementYESYESTie
Winner
Shelly

Shelly Pro EM-50

$119.99
Buy on Amazon USACheck price
  • + Warranty: 3 years
  • + Connectivity: 2.4 GHz WiFi, Ethernet, Bluetooth, Other
  • + Integrations: Google Home, Alexa, Samsung SmartThings, Home Assistant
  • - Metering: Solar Net Metering, Power Factor Readings vs Three-Phase Support, Solar Net Metering, Power Factor Readings

Frequently Asked Questions

Which is better overall: NodOn 3CT Zigbee Energy Meter or Shelly Pro EM-50?

Shelly Pro EM-50 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 EM-50?

Warranty is one of the clearest differences: NodOn 3CT Zigbee Energy Meter lists 2 years, while Shelly Pro EM-50 lists 3 years.

Who should buy NodOn 3CT Zigbee Energy Meter?

Choose NodOn 3CT Zigbee Energy Meter if your priority is metering and that matters more than warranty.

Who should buy Shelly Pro EM-50?

Choose Shelly Pro EM-50 if your priority is warranty and connectivity and that matters more than metering.

Full comparison table

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