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Model List / tech info
Model List / tech info


=Modbus TCP/IP Smart Meters=
=Modbus TCP/IP (Network) Smart Meters=
Modbus TCP/IP description
Modbus TCP meters allow for more flexibility in the installation. Since they use local network connectivity usually both wired and wireless options are available depending on the installation needs. The installation is also faster, since the meters need less space and work with the electrical cabinet, as the measurements are done via CT clamps that connect to the meter. It also allows for load balance in situations, where power cables have been prepared in advance, without preparing any data cables, or if the distances from electrical cabinet to the charger location are very long.


==Shelly==
==Shelly PRO-3EM ==
Settings<br>
=== Wiring diagram ===
Wiring<br>
[[File:Pro-3EM-wiring-diagram-with-fuses.png|Pro-3EM-wiring-diagram|left|frameless]]
Model List / tech info
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
=== User and safety guide ===
[[Media:Shelly Pro 3EM multilingual printed user and safety guide.pdf|Shelly Pro 3EM user and safety guide]]
 
=== Resources ===
[https://www.shelly.com/blogs/documentation/shelly-pro-3em?srsltid=AfmBOopPoEcc-LmzmIZMtuASYl7jvN4q449i6NRq6XhfFm3q_Oo8MCUt Manufacturers documentation page]
 
=== Certificates and conformity declarations ===
 
[[Media:Shelly Pro 3EM multilingual EU declaration of conformity 2025-07-23.pdf|EU]]
 
[[Media:Shelly Pro 3EM 120A UK PSTI ACT Statement of compliance.pdf|UK]]
 
[[Media:Shelly Pro 3EM AU NZ Certificate for Suitability.pdf|AU and NZ]]
 
=== Technical data ===
 
 
{| class="wikitable"
! colspan="1" rowspan="1" |Type
! colspan="1" rowspan="1" |Value
|-
| colspan="2" rowspan="1" |'''Physical'''
|-
| colspan="1" rowspan="1" |Size (HxWxD):
| colspan="1" rowspan="1" |94x19x69 ±0.5 mm / 3.70x0.75x2.71 ±0.02 in
|-
| colspan="1" rowspan="1" |Weight:
| colspan="1" rowspan="1" |62 ±1 g / 2.19 ±0.05 oz
|-
| colspan="1" rowspan="1" |Mounting:
| colspan="1" rowspan="1" |DIN rail
|-
| colspan="1" rowspan="1" |Screw terminals max torque:
| colspan="1" rowspan="1" |0.4 Nm / 4.43 lbin
|-
| colspan="1" rowspan="1" |Conductor cross section:
| colspan="1" rowspan="1" |0.5 to 2.5 mm² / 20 to 14 AWG (solid, stranded, and bootlace lugs)
|-
| colspan="1" rowspan="1" |Conductor stripped length:
| colspan="1" rowspan="1" |6 to 7 mm / 0.24 to 0.28 in
|-
| colspan="1" rowspan="1" |Shell material:
| colspan="1" rowspan="1" |Plastic
|-
| colspan="1" rowspan="1" |Color:
| colspan="1" rowspan="1" |White
|-
| colspan="2" rowspan="1" |'''Environmental'''
|-
| colspan="1" rowspan="1" |Ambient temperature:
| colspan="1" rowspan="1" |-20 °C to 40 °C / -5 °F to 105 °F
|-
| colspan="1" rowspan="1" |Humidity:
| colspan="1" rowspan="1" |30 % to 70 % RH
|-
| colspan="1" rowspan="1" |Max. altitude:
| colspan="1" rowspan="1" |2000 m / 6562 ft
|-
| colspan="2" rowspan="1" |'''Electrical'''
|-
| colspan="1" rowspan="1" |Power supply voltage AC:
| colspan="1" rowspan="1" |100 - 260 V, 50/60 Hz
|-
| colspan="1" rowspan="1" |Power supply voltage DC:
| colspan="1" rowspan="1" |N/A
|-
| colspan="1" rowspan="1" |Power consumption:
| colspan="1" rowspan="1" |< 3 W
|-
| colspan="1" rowspan="1" |External protection:
| colspan="1" rowspan="1" |Tripping characteristic B or C,
 
16A max. rated current,
 
min. 6 kA interrupting rating,
 
energy limiting class 3
|-
| colspan="2" rowspan="1" |'''Sensors, meters'''
|-
| colspan="1" rowspan="1" |Internal-temperature sensor:
| colspan="1" rowspan="1" |Yes
|-
| colspan="1" rowspan="1" |Voltmeters (RMS for each phase):
| colspan="1" rowspan="1" |100 - 260 V
|-
| colspan="1" rowspan="1" |Voltmeters accuracy:
| colspan="1" rowspan="1" |±1 %
|-
| colspan="1" rowspan="1" |Ammeters (RMS via CT for each phase and the Neutral):
| colspan="1" rowspan="1" |0 - 120 A
|-
| colspan="1" rowspan="1" |Compatible CT
| colspan="1" rowspan="1" |CT 120A
|-
| colspan="1" rowspan="1" |Ammeters accuracy:
| colspan="1" rowspan="1" |±1 % (2 - 120 A), ±2 % (1 - 2 A), ±5 % (0 - 1 A)
|-
| colspan="1" rowspan="1" |Power and energy meters:
| colspan="1" rowspan="1" |
* Active and apparent power
* Active and apparent energy
* Power factor
* Fundamental active and fundamental reactive energy
|-
| colspan="1" rowspan="1" |Channel-to-channel calibration minimum load
| colspan="1" rowspan="1" |500 W per channel
|-
| colspan="1" rowspan="1" |No load threshold:
| colspan="1" rowspan="1" |30 VA per channel
|-
| colspan="1" rowspan="1" |Measurement data storage:
| colspan="1" rowspan="1" |At least 60 days of 1 min data resolution
|-
| colspan="1" rowspan="1" |Data export:
| colspan="1" rowspan="1" |
* CSV for PQ recorded values
* JSON format export through RPC
|-
| colspan="2" rowspan="1" |'''Radio'''
|-
| colspan="1" rowspan="1" |RF band:
| colspan="1" rowspan="1" |2400 - 2495 MHz
|-
| colspan="1" rowspan="1" |Max. RF power:
| colspan="1" rowspan="1" |<20 dBm
|-
| colspan="1" rowspan="1" |Wi-Fi protocol:
| colspan="1" rowspan="1" |802.11 b/g/n
|-
| colspan="1" rowspan="1" |Wi-Fi Range:
| colspan="1" rowspan="1" |Up to 30 m / 100 ft indoors and 50 m / 160 ft outdoors
 
(Depends on local conditions)
|-
| colspan="1" rowspan="1" |Bluetooth Protocol:
| colspan="1" rowspan="1" |4.2
|-
| colspan="1" rowspan="1" |Bluetooth Range:
| colspan="1" rowspan="1" |Up to 10 m / 33 ft indoors and 30 m / 100 ft outdoors
 
(Depends on local conditions)
|-
| colspan="2" rowspan="1" |'''MCU'''
|-
| colspan="1" rowspan="1" |CPU:
| colspan="1" rowspan="1" |ESP32-D0WDQ6
|-
| colspan="1" rowspan="1" |Flash:
| colspan="1" rowspan="1" |16 MB
|-
| colspan="2" rowspan="1" |'''Firmware capabilities'''
|-
| colspan="1" rowspan="1" |Webhooks (URL actions):
| colspan="1" rowspan="1" |20 with 5 URLs per hook
|-
| colspan="1" rowspan="1" |Scripting:
| colspan="1" rowspan="1" |Yes
|-
| colspan="1" rowspan="1" |MQTT:
| colspan="1" rowspan="1" |Yes
|-
| colspan="1" rowspan="1" |CoAP:
| colspan="1" rowspan="1" |No
|}
==HomeWizard==
==HomeWizard==
Settings<br>
Datasheet
Wiring<br>
[[media:HomeWizard P1 Meter – Product Information (EN).pdf| Home Wizard P1 Meter Datasheet]]
Model List / tech info
Instructions
[https://helpdesk.homewizard.com/en/articles/5936058-how-to-install-the-p1-meter Set up guide]
Compatibility
[https://helpdesk.homewizard.com/en/articles/5935311-is-my-smart-meter-compatible Compatible energy meters]
 
Technical data
{| class="wikitable"
!Weight
|60 g
|-
!SKU
|HWE-P1-AU
|-
!Compatibility
|The P1 meter supports most modern meters in Europe. To make sure it's compatible, check the compatibility link.
|-
!Phases
|1 & 3 Phases
|-
!Connection
|Wi-Fi 2.4GHz b/g/n
|-
!Usage
|IP51 (indoor)
|-
!Power consumption
|< 1 Watt
|-
!Power supply
|No external power supply needed on SMR5 smart meters. USB-C power supply required for older smart meters (sold seperately)
|-
!Measurements
|Electricity import/export, gas
|-
!Data frequency
|Electricity up to every second, gas per 5 minutes (on SMR5 smart meters)
|-
!Data encryption
|Yes
|-
!Local API
|Yes
|-
!Bridge/hub required
|No
|-
!History
|Energy usage history of the past 12 months


==Eastron==
Extend your energy usage history with an Energy+ subscription
Settings<br>
|}
Wiring<br>
Model List / tech info


=Mobile app setup=
=Mobile app setup=
Mobile app setup progress with screenshots
Mobile app setup progress with screenshots

Revision as of 06:47, 12 August 2026

Main Page > Main Page EVC2 > Smart energy meter mastersheet

On this page you can find all relevant information on the smart meters that we have tested and support.

Use the sidebar Contents list for ease of navigation.

Smart Energy Meters

description of what smart energy meters are and what they are for

Modbus RTU Smart Meters

Modbus RTU description

Carlo Gavazzi

Settings
Wiring
Model List / tech info

Siemens

Settings
Wiring
Model List / tech info

ABB

Settings
Wiring
Model List / tech info

Eastron

Settings
Wiring
Model List / tech info

Inepro

Settings
Wiring
Model List / tech info

Acrel

Settings
Wiring
Model List / tech info

Chint

Settings
Wiring
Model List / tech info

Entes

Settings
Wiring
Model List / tech info

Navitus

Settings
Wiring
Model List / tech info

GoodWe

Settings
Wiring
Model List / tech info

Modbus TCP/IP (Network) Smart Meters

Modbus TCP meters allow for more flexibility in the installation. Since they use local network connectivity usually both wired and wireless options are available depending on the installation needs. The installation is also faster, since the meters need less space and work with the electrical cabinet, as the measurements are done via CT clamps that connect to the meter. It also allows for load balance in situations, where power cables have been prepared in advance, without preparing any data cables, or if the distances from electrical cabinet to the charger location are very long.

Shelly PRO-3EM

Wiring diagram

Pro-3EM-wiring-diagram
Pro-3EM-wiring-diagram














User and safety guide

Shelly Pro 3EM user and safety guide

Resources

Manufacturers documentation page

Certificates and conformity declarations

EU

UK

AU and NZ

Technical data

Type Value
Physical
Size (HxWxD): 94x19x69 ±0.5 mm / 3.70x0.75x2.71 ±0.02 in
Weight: 62 ±1 g / 2.19 ±0.05 oz
Mounting: DIN rail
Screw terminals max torque: 0.4 Nm / 4.43 lbin
Conductor cross section: 0.5 to 2.5 mm² / 20 to 14 AWG (solid, stranded, and bootlace lugs)
Conductor stripped length: 6 to 7 mm / 0.24 to 0.28 in
Shell material: Plastic
Color: White
Environmental
Ambient temperature: -20 °C to 40 °C / -5 °F to 105 °F
Humidity: 30 % to 70 % RH
Max. altitude: 2000 m / 6562 ft
Electrical
Power supply voltage AC: 100 - 260 V, 50/60 Hz
Power supply voltage DC: N/A
Power consumption: < 3 W
External protection: Tripping characteristic B or C,

16A max. rated current,

min. 6 kA interrupting rating,

energy limiting class 3

Sensors, meters
Internal-temperature sensor: Yes
Voltmeters (RMS for each phase): 100 - 260 V
Voltmeters accuracy: ±1 %
Ammeters (RMS via CT for each phase and the Neutral): 0 - 120 A
Compatible CT CT 120A
Ammeters accuracy: ±1 % (2 - 120 A), ±2 % (1 - 2 A), ±5 % (0 - 1 A)
Power and energy meters:
  • Active and apparent power
  • Active and apparent energy
  • Power factor
  • Fundamental active and fundamental reactive energy
Channel-to-channel calibration minimum load 500 W per channel
No load threshold: 30 VA per channel
Measurement data storage: At least 60 days of 1 min data resolution
Data export:
  • CSV for PQ recorded values
  • JSON format export through RPC
Radio
RF band: 2400 - 2495 MHz
Max. RF power: <20 dBm
Wi-Fi protocol: 802.11 b/g/n
Wi-Fi Range: Up to 30 m / 100 ft indoors and 50 m / 160 ft outdoors

(Depends on local conditions)

Bluetooth Protocol: 4.2
Bluetooth Range: Up to 10 m / 33 ft indoors and 30 m / 100 ft outdoors

(Depends on local conditions)

MCU
CPU: ESP32-D0WDQ6
Flash: 16 MB
Firmware capabilities
Webhooks (URL actions): 20 with 5 URLs per hook
Scripting: Yes
MQTT: Yes
CoAP: No

HomeWizard

Datasheet

Home Wizard P1 Meter Datasheet 

Instructions

Set up guide Compatibility Compatible energy meters

Technical data

Weight 60 g
SKU HWE-P1-AU
Compatibility The P1 meter supports most modern meters in Europe. To make sure it's compatible, check the compatibility link.
Phases 1 & 3 Phases
Connection Wi-Fi 2.4GHz b/g/n
Usage IP51 (indoor)
Power consumption < 1 Watt
Power supply No external power supply needed on SMR5 smart meters. USB-C power supply required for older smart meters (sold seperately)
Measurements Electricity import/export, gas
Data frequency Electricity up to every second, gas per 5 minutes (on SMR5 smart meters)
Data encryption Yes
Local API Yes
Bridge/hub required No
History Energy usage history of the past 12 months

Extend your energy usage history with an Energy+ subscription

Mobile app setup

Mobile app setup progress with screenshots

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