Energy Monitors · Head to head

Emporia Vue 3 3-Phase vs Shelly Pro 3EM-400

Full Smart Energy Monitors comparison in 2026

Data from Amazon and official Emporia and Shelly sites.
2026 verdict
Shelly Pro 3EM-400 wins the 2026 matchup against Emporia Vue 3 3-Phase, mainly on warranty, connectivity, and integrations. Its biggest wins come from warranty, connectivity, and integrations, and local control adds more confidence to the verdict. Emporia Vue 3 3-Phase is still relevant if you care most about price and rating, but Shelly Pro 3EM-400 is the stronger recommendation overall. That makes Shelly Pro 3EM-400 the clearer recommendation in 2026.
FeatureEmporia Vue 3 3-PhaseShelly Pro 3EM-400Winner
Price$209.99$329.99Emporia Vue 3 3-Phase
Rating4.74.2Emporia Vue 3 3-Phase
Warranty1 year3 yearsShelly Pro 3EM-400
Connectivity2.4 GHz WiFi, Ethernet2.4 GHz WiFi, Ethernet, Bluetooth, OtherShelly Pro 3EM-400
IntegrationsGoogle Home, AlexaGoogle Home, Alexa, Home AssistantShelly Pro 3EM-400
Local ControlNoneLocal API, MQTT, Local Web InterfaceShelly Pro 3EM-400
MeteringSplit-Phase Support, Three-Phase Support, Solar Net MeteringThree-Phase Support, Solar Net Metering, Power Factor ReadingsTie
Breaker Panel InstallYESYESTie
Smart Meter PortNONOTie
Data & MonitoringEnergy Cost Tracking, Time-of-Use Rates, Data Export, Usage AlertsEnergy Cost Tracking, Time-of-Use Rates, Data Export, Usage AlertsTie
Relay OutputNONOTie
Load ManagementYESYESTie
Winner
  • + Warranty: 3 years
  • + Connectivity: 2.4 GHz WiFi, Ethernet, Bluetooth, Other
  • + Integrations: Google Home, Alexa, Home Assistant
  • - Price: $329.99 vs $209.99
  • - Rating: 4.2 vs 4.7

Frequently Asked Questions

Which is better overall: Emporia Vue 3 3-Phase or Shelly Pro 3EM-400?

Shelly Pro 3EM-400 has the stronger overall profile in this comparison, especially for warranty, connectivity, and integrations.

What is the biggest difference between Emporia Vue 3 3-Phase and Shelly Pro 3EM-400?

Price is one of the clearest differences: Emporia Vue 3 3-Phase lists $209.99, while Shelly Pro 3EM-400 lists $329.99.

Which one looks better on price?

Emporia Vue 3 3-Phase is listed at $209.99, while Shelly Pro 3EM-400 is listed at $329.99. Emporia Vue 3 3-Phase (better spec).

Who should buy Emporia Vue 3 3-Phase?

Choose Emporia Vue 3 3-Phase if your priority is price and rating and that matters more than warranty.

Who should buy Shelly Pro 3EM-400?

Choose Shelly Pro 3EM-400 if your priority is warranty and connectivity and that matters more than price.

More Energy Monitors

Top Energy Monitors to compare next

Compare smart energy monitors by monitored circuits, CT sensor ratings, accuracy, solar net metering, three-phase support, local API and integrations.

Compare Energy Monitors
Emporia

More Emporia products

A sharper look at other Emporia products worth comparing.

Explore Emporia
Shelly

More Shelly products

A sharper look at other Shelly products worth comparing.

Explore Shelly
Stay in the loop

Smart Home Deals & News straight to your inbox

Join the newsletter and get the best smart home deals and new releases in your inbox.

Your subscription could not be saved. Please try again.
Your subscription has been successful.

Smart Home Deals & News straight to your inbox

Join the newsletter and get the best smart home deals and new releases in your inbox.