The Smart Device Compare comparison

Refoss EM06P vs Shelly Pro EM-50

Understand the differences. Decide what matters to your home.

Before you compare every specification

Key differences between Refoss EM06P and Shelly Pro EM-50

A summary of selected recorded differences between these energy monitors. Check the full specification table below for details and conditions.

Feature differences among your selected devices

Ethernet (connectivity): Refoss EM06P — No; Shelly Pro EM-50 — Yes.
Time Of Use Rates (data monitoring): Refoss EM06P — No; Shelly Pro EM-50 — Yes (Cost periods and tariff distribution in the Shelly Smart Control app).
Relay Output (features): Refoss EM06P — No; Shelly Pro EM-50 — Yes (Integrated switch with potential-free contacts, 2 A at 240 V).
Alexa (integrations): Refoss EM06P — No (Alexa has no energy meter device type and this meter has no relay to expose as a switch, so a skill has nothing to publish); Shelly Pro EM-50 — Yes.

Specifications to check side by side

Other (connectivity): Refoss EM06P — No; Shelly Pro EM-50 — Modbus.
Data History (data monitoring): Refoss EM06P — 5 years (Free cloud storage, daily data kept up to 5 years with no subscription); Shelly Pro EM-50 — 60 days (At least 60 days of 1-minute data stored on the device).
Power Supply (installation): Refoss EM06P — Mains (breaker panel); Shelly Pro EM-50 — Mains (100-260 V).
Included Ct Sensors (metering): Refoss EM06P — 6 (6 x 120 A clamps); Shelly Pro EM-50 — 2 (2 x 50 A current transformers).

Information still to confirm

4 of 39 comparison fields lack a resolved value for at least one selected device. Missing information is not evidence that a feature is absent.
Check the full table and manufacturer documentation before ruling out a device.

These observations are derived from recorded catalog data and have not all been independently verified. Confirm details with the manufacturer before purchasing.

Compare capabilities, compatibility and setup requirements.

Option 1 · Refoss

Refoss EM06P

Last updated October 2026

View full device profile

Option 2 · Shelly

Shelly Pro EM-50

Last updated October 2026

View full device profile

What the catalog tells us

Understand the tradeoffs.

These counts describe the available data, not a quality score. More features do not automatically make a better device.

13differences with recorded values for every device

4rows with missing or unspecified information

Your priorities, side by side

Focus on what changes.

Mark the specifications you care about. Open manufacturer sources for verification scope; fields without citations remain catalog data. Expand notes for other qualifications.

Differences onlyMy priorities (0)

Showing 39 of 39 rows. “Not recorded” does not mean “No”.

Reading layout

Connectivity

2.4 GHz Wi-Fi

Refoss EM06P: Yes
Catalog note
High-gain external antenna
Shelly Pro EM-50: Yes

5 GHz Wi-Fi

Refoss EM06P: No
Shelly Pro EM-50: No

Bluetooth

Refoss EM06P: Not recorded
Shelly Pro EM-50: Yes
Catalog note
Bluetooth 4.2, also works as a Bluetooth gateway

Ethernet

Refoss EM06P: No
Shelly Pro EM-50: Yes

Other

Refoss EM06P: No
Shelly Pro EM-50: Modbus

Thread

Refoss EM06P: No
Shelly Pro EM-50: No

Z Wave

Refoss EM06P: No
Shelly Pro EM-50: No

Zigbee

Refoss EM06P: No
Shelly Pro EM-50: No

Data Monitoring

Data Export

Refoss EM06P: Yes
Shelly Pro EM-50: Yes
Catalog note
CSV export of the consumption chart

Data History

Refoss EM06P: 5 years
Catalog note
Free cloud storage, daily data kept up to 5 years with no subscription
Shelly Pro EM-50: 60 days
Catalog note
At least 60 days of 1-minute data stored on the device

Energy Cost Tracking

Refoss EM06P: Yes
Shelly Pro EM-50: Yes

Real Time Updates

Refoss EM06P: 1 min
Catalog note
Minute-level tracking with daily, weekly, monthly and yearly views
Shelly Pro EM-50: Not recorded

Time Of Use Rates

Refoss EM06P: No
Shelly Pro EM-50: Yes
Catalog note
Cost periods and tariff distribution in the Shelly Smart Control app

Usage Alerts

Refoss EM06P: Yes
Shelly Pro EM-50: Yes

Features

Automations

Refoss EM06P: Yes
Shelly Pro EM-50: Yes

Load Management

Refoss EM06P: Yes
Catalog note
Zero feed-in control when paired with a solar system
Shelly Pro EM-50: Yes
Catalog note
Configurable load control to divert surplus PV production

Relay Output

Refoss EM06P: No
Shelly Pro EM-50: Yes
Catalog note
Integrated switch with potential-free contacts, 2 A at 240 V

Installation

Breaker Panel Install

Refoss EM06P: Yes
Shelly Pro EM-50: Yes

Din Rail Mount

Refoss EM06P

Yes

Manufacturer source

DIN rail mounting is supported.

Refoss EM06P manufacturer product page →

Source section: Product description
Model: Refoss EM06P
Region: EU version
Firmware: Not specified by this source
Checked: 2026-10-04

Document check only; not a hands-on test or verification of every regional or firmware variant.

Catalog note

EU standard DIN rail, flame-retardant PC housing

Shelly Pro EM-50

Yes

Catalog note

One DIN module wide

Power Supply

Refoss EM06P: Mains (breaker panel)
Shelly Pro EM-50: Mains (100-260 V)

Smart Meter Port

Refoss EM06P: No
Shelly Pro EM-50: No

Integrations

Alexa

Refoss EM06P: No
Catalog note
Alexa has no energy meter device type and this meter has no relay to expose as a switch, so a skill has nothing to publish
Shelly Pro EM-50: Yes

Apple Home

Refoss EM06P: No
Shelly Pro EM-50: No

Google Home

Refoss EM06P: No
Shelly Pro EM-50: Yes

Home Assistant

Refoss EM06P

Yes

Manufacturer source

Home Assistant integration is documented.

Refoss EM06P manufacturer product page →

Source section: Product description
Model: Refoss EM06P
Region: EU version
Firmware: Not specified by this source
Checked: 2026-10-04

Document check only; not a hands-on test or verification of every regional or firmware variant.

Catalog note

Native integration over HTTP (JSON-RPC 2.0) and MQTT

Shelly Pro EM-50

Yes

Matter

Refoss EM06P: No
Shelly Pro EM-50: No

SmartThings

Refoss EM06P: No
Shelly Pro EM-50: Yes
Catalog note
Via the official Shelly Cloud integration

Local Control

Local Api

Refoss EM06P

Yes

Manufacturer source

The device exposes a JSON-RPC 2.0 API.

Refoss EM06P manufacturer product page →

Source section: Product description
Model: Refoss EM06P
Region: EU version
Firmware: Not specified by this source
Checked: 2026-10-04

Document check only; not a hands-on test or verification of every regional or firmware variant.

Catalog note

Open API with JSON-RPC 2.0 over HTTP

Shelly Pro EM-50

Yes

Catalog note

RPC over HTTPS and WebSocket, UDP, webhooks, scripting and Modbus TCP

Local Web Interface

Refoss EM06P: Yes
Catalog note
Reachable by local IP, no app required
Shelly Pro EM-50: Yes

Mqtt

Refoss EM06P

Yes

Manufacturer source

MQTT is supported.

Refoss EM06P manufacturer product page →

Source section: Product description
Model: Refoss EM06P
Region: EU version
Firmware: Not specified by this source
Checked: 2026-10-04

Document check only; not a hands-on test or verification of every regional or firmware variant.

Shelly Pro EM-50

Yes

Metering

Accuracy

Refoss EM06P

±1%

Manufacturer source

The stated measurement accuracy is one percent.

Refoss EM06P manufacturer product page →

Source section: Product description
Model: Refoss EM06P
Region: EU version
Firmware: Not specified by this source
Checked: 2026-10-04

Document check only; not a hands-on test or verification of every regional or firmware variant.

Shelly Pro EM-50

±1%

Catalog note

Accuracy Class B for active energy, ±1% from 5 A to 50 A

Bidirectional Metering

Refoss EM06P: Yes
Catalog note
Monitors input from solar and wind for zero feed-in control
Shelly Pro EM-50: Yes
Catalog note
4 quadrant measurement with a returned energy counter

Branch Ct Rating

Refoss EM06P: Not applicable / unspecified
Shelly Pro EM-50: Not applicable / unspecified

Included Ct Sensors

Refoss EM06P: 6
Catalog note
6 x 120 A clamps
Shelly Pro EM-50: 2
Catalog note
2 x 50 A current transformers

Main Ct Rating

Refoss EM06P

120 A

Manufacturer source

The stated limit is 120 A per channel.

Refoss EM06P manufacturer product page →

Source section: Product description
Model: Refoss EM06P
Region: EU version
Firmware: Not specified by this source
Checked: 2026-10-04

Document check only; not a hands-on test or verification of every regional or firmware variant.

Shelly Pro EM-50

50 A

Monitored Circuits

Refoss EM06P

Manufacturer source

Six measurement channels are provided.

Refoss EM06P manufacturer product page →

Source section: Product description
Model: Refoss EM06P
Region: EU version
Firmware: Not specified by this source
Checked: 2026-10-04

Document check only; not a hands-on test or verification of every regional or firmware variant.

Catalog note

Six independent channels that can be merged for a combined total

Shelly Pro EM-50

Power Factor

Refoss EM06P: Yes
Catalog note
Voltage, current, active power and power factor per channel
Shelly Pro EM-50: Yes
Catalog note
Active and apparent power, power factor, frequency and voltage

Split Phase

Refoss EM06P: Not recorded
Shelly Pro EM-50: No
Catalog note
Single-phase device with two current channels

Three Phase

Refoss EM06P

Yes

Manufacturer source

Three-phase monitoring is supported.

Refoss EM06P manufacturer product page →

Source section: Product description
Model: Refoss EM06P
Region: EU version
Firmware: Not specified by this source
Checked: 2026-10-04

Document check only; not a hands-on test or verification of every regional or firmware variant.

Catalog note

Channels can be grouped to follow the three phases of one load

Shelly Pro EM-50

Specifications for Refoss EM06P versus Shelly Pro EM-50
Specification	Refoss EM06P	Shelly Pro EM-50
Connectivity
2.4 GHz Wi-Fi	Yes Catalog note High-gain external antenna	Yes
5 GHz Wi-Fi	No	No
Bluetooth	Not recorded	Yes Catalog note Bluetooth 4.2, also works as a Bluetooth gateway
Ethernet	No	Yes
Other	No	Modbus
Thread	No	No
Z Wave	No	No
Zigbee	No	No
Data Monitoring
Data Export	Yes	Yes Catalog note CSV export of the consumption chart
Data History	5 years Catalog note Free cloud storage, daily data kept up to 5 years with no subscription	60 days Catalog note At least 60 days of 1-minute data stored on the device
Energy Cost Tracking	Yes	Yes
Real Time Updates	1 min Catalog note Minute-level tracking with daily, weekly, monthly and yearly views	Not recorded
Time Of Use Rates	No	Yes Catalog note Cost periods and tariff distribution in the Shelly Smart Control app
Usage Alerts	Yes	Yes
Features
Automations	Yes	Yes
Load Management	Yes Catalog note Zero feed-in control when paired with a solar system	Yes Catalog note Configurable load control to divert surplus PV production
Relay Output	No	Yes Catalog note Integrated switch with potential-free contacts, 2 A at 240 V
Installation
Breaker Panel Install	Yes	Yes
Din Rail Mount	Yes Manufacturer source DIN rail mounting is supported. Refoss EM06P manufacturer product page → Source section Product description Model Refoss EM06P Region EU version Firmware Not specified by this source Checked 2026-10-04 Document check only; not a hands-on test or verification of every regional or firmware variant. Catalog note EU standard DIN rail, flame-retardant PC housing	Yes Catalog note One DIN module wide
Power Supply	Mains (breaker panel)	Mains (100-260 V)
Smart Meter Port	No	No
Integrations
Alexa	No Catalog note Alexa has no energy meter device type and this meter has no relay to expose as a switch, so a skill has nothing to publish	Yes
Apple Home	No	No
Google Home	No	Yes
Home Assistant	Yes Manufacturer source Home Assistant integration is documented. Refoss EM06P manufacturer product page → Source section Product description Model Refoss EM06P Region EU version Firmware Not specified by this source Checked 2026-10-04 Document check only; not a hands-on test or verification of every regional or firmware variant. Catalog note Native integration over HTTP (JSON-RPC 2.0) and MQTT	Yes
Matter	No	No
SmartThings	No	Yes Catalog note Via the official Shelly Cloud integration
Local Control
Local Api	Yes Manufacturer source The device exposes a JSON-RPC 2.0 API. Refoss EM06P manufacturer product page → Source section Product description Model Refoss EM06P Region EU version Firmware Not specified by this source Checked 2026-10-04 Document check only; not a hands-on test or verification of every regional or firmware variant. Catalog note Open API with JSON-RPC 2.0 over HTTP	Yes Catalog note RPC over HTTPS and WebSocket, UDP, webhooks, scripting and Modbus TCP
Local Web Interface	Yes Catalog note Reachable by local IP, no app required	Yes
Mqtt	Yes Manufacturer source MQTT is supported. Refoss EM06P manufacturer product page → Source section Product description Model Refoss EM06P Region EU version Firmware Not specified by this source Checked 2026-10-04 Document check only; not a hands-on test or verification of every regional or firmware variant.	Yes
Metering
Accuracy	±1% Manufacturer source The stated measurement accuracy is one percent. Refoss EM06P manufacturer product page → Source section Product description Model Refoss EM06P Region EU version Firmware Not specified by this source Checked 2026-10-04 Document check only; not a hands-on test or verification of every regional or firmware variant.	±1% Catalog note Accuracy Class B for active energy, ±1% from 5 A to 50 A
Bidirectional Metering	Yes Catalog note Monitors input from solar and wind for zero feed-in control	Yes Catalog note 4 quadrant measurement with a returned energy counter
Branch Ct Rating	Not applicable / unspecified	Not applicable / unspecified
Included Ct Sensors	6 Catalog note 6 x 120 A clamps	2 Catalog note 2 x 50 A current transformers
Main Ct Rating	120 A Manufacturer source The stated limit is 120 A per channel. Refoss EM06P manufacturer product page → Source section Product description Model Refoss EM06P Region EU version Firmware Not specified by this source Checked 2026-10-04 Document check only; not a hands-on test or verification of every regional or firmware variant.	50 A
Monitored Circuits	6 Manufacturer source Six measurement channels are provided. Refoss EM06P manufacturer product page → Source section Product description Model Refoss EM06P Region EU version Firmware Not specified by this source Checked 2026-10-04 Document check only; not a hands-on test or verification of every regional or firmware variant. Catalog note Six independent channels that can be merged for a combined total	2
Power Factor	Yes Catalog note Voltage, current, active power and power factor per channel	Yes Catalog note Active and apparent power, power factor, frequency and voltage
Split Phase	Not recorded	No Catalog note Single-phase device with two current channels
Three Phase	Yes Manufacturer source Three-phase monitoring is supported. Refoss EM06P manufacturer product page → Source section Product description Model Refoss EM06P Region EU version Firmware Not specified by this source Checked 2026-10-04 Document check only; not a hands-on test or verification of every regional or firmware variant. Catalog note Channels can be grouped to follow the three phases of one load	No

Know what’s behind the comparison.

The table matches specifications by section and field. It preserves notes, separates missing data from explicit “No” values, and keeps qualifications attached to their values. No overall winner is assigned from feature counts.

Read our comparison methodology