Shelly Pro 3EM 120A v2

Last updated: November 9, 2026

Shelly Pro 3EM 120A v2
3.3/5#4 of 18 in whole-home energy monitors
3.3

A DIN-rail meter for installers and tinkerers who want local control and solar metering.

  • None in box (up to 3)Circuits
  • LocalControl
  • ±1%Accuracy
  • 3 yearsWarranty
Check price at Amazon$154.99

Price checked November 9, 2026. As an Amazon Associate we earn from qualifying purchases.

Pros
  • Scripting and webhooks run locally with no cloud
  • DIN-rail meter with Wi-Fi, LAN and Matter
  • Two-way (import and export) metering for solar
Cons
  • 120A CTs limit it to smaller services
  • Three channels only; not a panel-wide circuit monitor

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 numberPro 3EM v2 (120A)
Monitoring
Branch circuits includedNone in box (up to 3)
Most circuits supported3
Mains CT rating120 A
Electrical systems3-phase
Solar / net meteringYes
Claimed accuracy±1%
Connectivity
ConnectionWi-Fi, LAN, Bluetooth, Matter
Local API / MQTT / hubYes
Needs maker cloudNo
Build
Warranty3 years

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