Discover the infinite possibilities with the Mi-Wi electrical load controller

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Electrical load controller 50 A – Mi-Wi (Legacy)

Control it at any time, from anywhere!*

With Neviweb, manage electric loads from meetings to evenings

  • Remote access

    Control all your devices with the Neviweb app

  • One device, infinite possibilities

    Activate and deactivate a variety of electric loads for a couple of hours or a couple days according to your needs

  • 7-day programming, up to 6 periods per day

    So your devices can follow your lifestyle and habits

  • Automate actions between devices

    An action/reaction mode where shortcuts live within the devices, without requiring electric modifications

Electrical load controller 50 A – Mi-Wi (Legacy)

A new Neviweb app, many new features


A simplified life within your reach.

  • Scenes mode

    Get all your compatible devices to interact together for a smarter home

  • Detailed consumption reports

    See how much you save

  • Programmable countdown timer

    Need to charge your batteries for an hour? Click, select and it’s done!

  • Sunrise/sunset programming

    Because some devices don’t need to work at night

Electrical load controller 50 A – Mi-Wi (Legacy)

The Sinopé smart home

The Web programmable product line works in symbiosis. Full control is now within your reach.

The Sinopé smart home

The Web programmable product line works in symbiosis. Full control is now within your reach.

*Remote access requires a permanent Internet connection and a GT125 Web interface


Height: 18.4 cm (7.26 in)

Width: 12.2 cm (4.8 in)

Depth: 5.5 cm (2.15 in)




The Mi-Wi (Web programmable) electrical load controller – 50 A can control different types of devices such as:

  • Electrical water heater
  • Pumps (pool, irrigation, etc.)
  • Window AC unit
  • Outdoor lighting
  • And much more!

*Indoor installation only.


  • Control this device with the Neviweb app

  • Program different schedules for each day of the week, up to 6 times a day depending on the time of day or sunrise / sunset

  • Create scenes to apply setpoints to all your smart devices at once depending on the time of day, the occasion, or the activity

  • Use the automations to control interactions between compatible products without your mobile device

  • Lock the manual control to keep only remote access with Neviweb

  • Sort your devices by room and by type of device in Neviweb

  • See your energy consumption in real time ($ / kWh /%) and save on your electricity bill

  • Enable automatic and manual modes for precise control according to your needs

  • Use the timer to automatically turn off appliances after a set time

Connectivity requirements


  • GT125 gateway connected to the Internet
  • Smartphone or tablet
  • Neviweb app, available for free in the App Store and in Google Play*

* Users of Mi-Wi devices can also use the intuitive Website to control their smart home devices remotely:

Voice assistants

The Mi-Wi electrical load controller is compatible with Amazon Alexa via the Neviweb App and the GT125 gateway.

Mi-Wi (Web programmable) devices are not compatible with Google Home due to new requirements from Google's system that aren't compatible with this product line.

Operating voltage

120/208/240/277/347 Vac, 50/60 Hz  

Maximum load

Double-pole latching relay


120 V

240 V

277 V

347 V

Resistive load

50 A

50 A

50 A

20 A

Incandescent lamp

20 A

20 A

20 A


Magnetic ballast

20 A

20 A

20 A

15 A

Electronic ballast

15 A

15 A

15 A



1,5 HP

3 HP

3 HP



Activated load: 0.5 W @ 120 – 240 Vac

Standby load: 0.47 W @ 120 – 240 Vac

Temperature range

Operation: -20 °C to 40 °C (-4 °F to 104 °F)

Storage: -20 °C to 50 °C (-4 °F to 122 °F)

Maximum distance between Mi-Wi products

Approximately 9 meters (30 ft)*


*The distance between Mi-Wi devices can differ depending on their location and if the RF signal is affected by interference sources.


Tested in accordance with ANSI/UL Std.916
Certified under CAN/CSA Std. C22.2 No205


3 years

In the box

  • RM3250RF electrical load controller
  • Installation guide – English version
  • Installation guide – French version
  • Template
  • 2 screws


North American


  • Mi-Wi (Web programmable)
  • 50 A
  • Works with Neviweb

In stock


119.95 $ CAD

PROMO FREE STANDARD SHIPPING on all online orders of $50 or more delivered in Canada. Please note that due to COVID-19 Canada Post cannot guarantee delivery times.

For a limited time, Sinopé technologies is offering FREE STANDARD SHIPPING on all online orders over $50, after promo discounts and before taxes. This shipping offer applies only to orders being shipped to Canada (no postal box shipping). Note that the right to free delivery may be revoked if you change the delivery address of your order or if you cancel one or more items ordered reducing the total before taxes of the order under $50.

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