20% OFF
Prime exclusive deal$120.79
$150.99
Join Prime to buy it at $120.79
Updated October 2026
Data from Amazon and official Shelly site.
2026 verdict
Shelly Pro 3EM v2 is the more complete option versus Shelly Pro 3EM 3CT63 in 2026, helped most by rating and integrations.
Its biggest wins come from rating and integrations, and its broader overall balance adds more confidence to the verdict. Shelly Pro 3EM 3CT63 can still be the right pick, but only if price and warranty outweigh the wider strengths of Shelly Pro 3EM v2. For the average buyer, Shelly Pro 3EM v2 is the safer choice.
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Winner
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| Feature | Shelly Pro 3EM 3CT63 | Shelly Pro 3EM v2 | Winner |
|---|---|---|---|
| Price | $120.79 | $154.99 | Shelly Pro 3EM 3CT63 |
| Rating | 4.4 | 4.5 | Shelly Pro 3EM v2 |
| Warranty | 5 years | 3 years | Shelly Pro 3EM 3CT63 |
| Integrations | Google Home, Alexa, Samsung SmartThings, Home Assistant | Google Home, Alexa, Apple HomeKit, Samsung SmartThings, Home Assistant, Matter | Shelly Pro 3EM v2 |
| 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 |
| Connectivity | 2.4 GHz WiFi, Ethernet, Bluetooth, Other | 2.4 GHz WiFi, Ethernet, Bluetooth, Other | Tie |
| Data & Monitoring | Energy Cost Tracking, Time-of-Use Rates, Data Export, Usage Alerts | Energy Cost Tracking, Time-of-Use Rates, Data Export, Usage Alerts | Tie |
| Local Control | Local API, MQTT, Local Web Interface | Local API, MQTT, Local Web Interface | Tie |
| Relay Output | NO | NO | Tie |
| Load Management | YES | YES | Tie |
20% OFF
Prime exclusive deal$120.79
$150.99
- + Price: $120.79
- + Warranty: 5 years
- - Rating: 4.4 vs 4.5
- - Integrations: Google Home, Alexa, Samsung SmartThings, Home Assistant vs Google Home, Alexa, Apple HomeKit, Samsung SmartThings, Home Assistant, Matter
Winner
$154.99
- + Rating: 4.5
- + Integrations: Google Home, Alexa, Apple HomeKit, Samsung SmartThings, Home Assistant, Matter
- - Price: $154.99 vs $120.79
- - Warranty: 3 years vs 5 years
Price history compared
Every price change of both, in the same store, so the gap between the two lines is what one costs more than the other.
- Shelly Pro 3EM 3CT63
- Shelly Pro 3EM v2
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Frequently Asked Questions
Which is better overall: Shelly Pro 3EM 3CT63 or Shelly Pro 3EM v2?
Shelly Pro 3EM v2 has the stronger overall profile in this comparison, especially for rating and integrations.
What is the biggest difference between Shelly Pro 3EM 3CT63 and Shelly Pro 3EM v2?
Price is one of the clearest differences: Shelly Pro 3EM 3CT63 lists $120.79, while Shelly Pro 3EM v2 lists $154.99.
Which one looks better on price?
Shelly Pro 3EM 3CT63 is listed at $120.79, while Shelly Pro 3EM v2 is listed at $154.99. Shelly Pro 3EM 3CT63 (better spec).
Who should buy Shelly Pro 3EM 3CT63?
Choose Shelly Pro 3EM 3CT63 if your priority is price and warranty and that matters more than rating.
Who should buy Shelly Pro 3EM v2?
Choose Shelly Pro 3EM v2 if your priority is rating and integrations and that matters more than price.
Full comparison table
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
SonoffMINI PM Matter Over WiFi Power Meter (Non-Switch)
$15.90
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$61.27
ShellyPro EM-50
$119.99
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$199.99
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20% OFF$69.99$55.99
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20% OFF$114.99$91.99
EmporiaVue 3 3-Phase
$209.99
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3% OFF€67.00€65.12
SonoffPOWCT
20% OFF$38.19$30.55
ShellyEM Mini Gen4
20% OFF$24.99$19.99
RefossEM06P
Unavailable- Shelly
Pro 3EM v2
$154.99 - Shelly
Pro 3EM 3CT63
20% OFF$150.99$120.79 
MerossEM16P
20% OFF$199.99$159.99
ShellyPro 3EM-400
20% OFF$329.99$263.99
RefossEM16P
24% OFF$199.99$151.98
MerossEM06P
€94.99
SonoffMINI PM Zigbee Power Meter (Non-Switch)
20% OFF$15.90$12.72
AeotecHome Energy Meter 8
15% OFF$95.99$81.59
RefossEM01P
Unavailable
CamerasShellyCamera
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€188.90
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4.1(64)20% OFF$349.99$279.99
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4.4(434)€126.53
Door & Window SensorsShellyBLU Door/Window Outdoor ZB
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3EM-63W Gen3
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EM Gen3
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EM Gen4
3% OFF€67.00€65.12 - Energy MonitorsShelly
EM Mini Gen4
4.5(135)20% OFF$24.99$19.99 - Energy MonitorsShelly
Pro 3EM 3CT63
4.4(347)20% OFF$150.99$120.79 - Energy MonitorsShelly
Pro 3EM-400
4.3(21)20% OFF$329.99$263.99 - Energy MonitorsShelly
Pro 3EM v2
4.5(78)$154.99 - Energy MonitorsShelly
Pro EM-50
4.6(952)$119.99 
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4.2(29)€9.90
Motion SensorsShellyBLU Motion ZB
4.5(43)$26.99
Motion SensorsShellyBlu Motion
4.0(1,034)Last priceMay 1, 2026$25.99
Unavailable
PlugsShellyPlug M Gen3
4.5(791)€12.90