A budget three-phase meter for a small installation.
Amazon $114.99
The cheapest way into Emporia: whole-home numbers now, circuit sensors as you need them.
- None in box (up to 16)Circuits
- Cloud appControl
- ±2%Accuracy
- 1 yearWarranty
Price checked November 9, 2026. As an Amazon Associate we earn from qualifying purchases.
- Lowest price to get whole-home usage and solar tracking from a UL-listed unit
- Branch sensors can be added later, up to 16
- No branch sensors in the box, so circuit data costs extra
- Cloud app only; no local API in the listing
- One-year warranty
The Emporia Vue 3 family
Every Emporia Vue 3 model we rank, smallest first. Ratings compare each against its own type.
| Model | Circuits | Rating | Price |
|---|---|---|---|
| Emporia Vue 3 (8 sensors) | 8 (expands to 16) | 2.9/5 | $149.99 |
| Emporia Vue 3 (16 sensors) | 16 | 2.9/5 | $199.99 |
| Emporia Vue 3 Commercial 3-Phase | 16 | 3.2/5 | $209.99 |
| Emporia Vue 3 (no branch sensors) (this one) | None in box (up to 16) | 2.9/5 | $99.99 |
How it scores
The rating comes from 6 measured or published factors, each scored 0-100 against fixed reference points for its type. How we rank explains each one.
Specifications
| Model number | EMV3A-2P-WH |
|---|---|
| Monitoring | |
| Branch circuits included | None in box (up to 16) |
| Most circuits supported | 16 |
| Mains CT rating | 200 A |
| Electrical systems | Split-phase, 3-phase |
| Solar / net metering | Yes |
| Claimed accuracy | ±2% |
| Connectivity | |
| Connection | 2.4 GHz Wi-Fi |
| Local API / MQTT / hub | No |
| Needs maker cloud | Yes |
| Build | |
| Warranty | 1 year |
Alternatives in this type
Only worth it if your service is above 120A and the 400A sensors are confirmed with the seller.
Amazon $329.99Good for monitoring and switching a pair of big loads such as an EV charger and a water heater.
Amazon $119.99Compare
Compare the Emporia Vue 3 (no branch sensors) with any other home energy monitor →
More from Emporia: every Emporia product ranked.