# Shelly 3EM Smart 3-Phase Energy Meter: specs and price

**Price (US):** $121.49 (MSRP from us.shelly.com. Currently out of stock.), as of 2026-06-27. Among the 8 home energy monitors we track it is #3 cheapest of 8; category median $169.
**Brand:** Shelly
**Deskmark:** Bronze Deskmark — pay-blind category standing 36/100, #6 of 7 in class (independent, computed from sourced data, never for sale).
**Price tracked since:** June 2026

## Specifications

| Spec | Value |
| --- | --- |
| Price (US) | $121.49 |
| Brand | Shelly |
| Monitoring type | ct-clamp |
| Main circuit amps | 120 |
| Branch circuit count | 0 |
| Connectivity protocol | Wi-Fi 802.11 b/g/n |
| Solar net metering | Yes |
| Local api support | Yes |
| Subscription required | No |
| App platforms | iOS, Android, web |
| Accuracy percent | — |
| Installation type | din-rail |
| Smart home integrations | Home Assistant, Alexa, Google Home, MQTT, CoAP, REST API |
| Etl ul certified | — |

## Where it stands

At $121, the Shelly 3EM Smart 3-Phase Energy Meter is #3 cheapest of the 8 home energy monitors we track, where the median is $169. On the spec sheet, its branch circuit count of 0 is the lowest of the 8, and its main circuit amps of 120 is below the median of the 7.

## Frequently asked questions

**How much does the Shelly 3EM Smart 3-Phase Energy Meter cost?**

The Shelly 3EM Smart 3-Phase Energy Meter has a US price of $121.49 (MSRP from us.shelly.com. Currently out of stock.), as of 2026-06-27.

**How does the Shelly 3EM Smart 3-Phase Energy Meter compare on price?**

At $121, the Shelly 3EM Smart 3-Phase Energy Meter is #3 cheapest of the 8 home energy monitors we track, where the median is $169.

**What are the Shelly 3EM Smart 3-Phase Energy Meter's key specs?**

Shelly 3EM Smart 3-Phase Energy Meter (Shelly): monitoringType ct-clamp, mainCircuitAmps 120, branchCircuitCount 0, connectivityProtocol Wi-Fi 802.11 b/g/n, solarNetMetering Yes. Full sourced spec sheet verified 2026-06-27.

Source: https://us.shelly.com/products/shelly-3em (us.shelly.com, accessed 2026-06-27)
Corroboration: https://kb.shelly.cloud/knowledge-base/shelly-3em (accessed 2026-06-27)
Canonical: https://frontdeskreview.com/product/home-energy-monitors/shelly-3em/
Cite: Per The Front Desk Review, the Shelly 3EM Smart 3-Phase Energy Meter price of record was $121.49 as of 2026-06-27 — https://frontdeskreview.com/product/home-energy-monitors/shelly-3em/
License: CC BY 4.0. Price history: https://frontdeskreview.com/data/price-history.jsonl