Tuya WiFi Smart DIN Rail Circuit Breaker with Optional Energy Metering
Control a connected electrical circuit remotely using the Tuya Smart or Smart Life app. This WiFi-enabled DIN rail device is available in 50A and 63A versions, with functions that vary depending on the selected model.
Available features include remote switching, timers, energy monitoring, electrical alarms, automatic closing and an LCD display. Check the model comparison carefully before ordering, as not every version includes every function.
Product Video

Choose the Correct Model
The product is available in four models. The timer, monitoring, alarm and display functions depend on the option selected.

SY1 WT
Remote switching
Countdown timer
Scheduled switching
Cycle timing
Sunrise and sunset timing
Power failure memory
SY1 JWT
Energy metering
Remote switching
Countdown timer
Scheduled switching
Cycle timing
Sunrise and sunset timing
Power failure memory
SY2
Energy metering
Remote switching
Countdown timer
Scheduled switching
Cycle timing
Sunrise and sunset timing
Power failure memory
High-temperature alarm
High-power alarm
Over-voltage alarm
Under-voltage alarm
SYS
Energy metering
Remote switching
Scheduled switching
Cycle timing
Sunrise and sunset timing
Power failure memory
High-temperature alarm
High-power alarm
Over-voltage alarm
Under-voltage alarm
Automatic closing
LCD display
Remote App Control
Connect the device to a 2.4GHz WiFi network to switch the connected circuit on or off remotely. The Tuya Smart and Smart Life apps provide access through a compatible Android or iOS smartphone with an internet connection.


Alexa and Google Assistant Voice Control
Connect the device to a compatible Amazon Alexa or Google Assistant system to control the circuit using voice commands.

Timer and Automation Functions
Available automation options depend on the selected model and may include countdown control, scheduled switching, cycle timing and automatic switching based on local sunrise or sunset times.
Power failure memory allows the supported models to retain their configured operating behaviour following an interruption to the electricity supply.



Optional Energy Monitoring
The SY1 JWT, SY2 and SYS models include energy metering. These versions allow you to view available electrical usage information through the compatible mobile app.
The exact measurements and controls shown in the app depend on the selected model.



Optional Electrical Alarms
The SY2 and SYS models support configurable high-temperature, high-power, over-voltage and under-voltage alarms.
The temperature displayed by these models is the internal CPU temperature of the device. It does not measure the temperature of the room or surrounding area.


50A and 63A Options
Select either the 50A or 63A version to match the requirements of the intended circuit. The current rating and model functions are separate options, so check both selections before placing your order.

DIN Rail Installation
The device is designed for installation on a compatible DIN rail. The incoming power supply must be connected at the top using live and neutral connections.
Use an L+N connection only. Do not connect the device using L+L.


Technical Specifications
Product type: WiFi smart DIN rail circuit breaker and remote switch
Available current ratings: 50A or 63A
Operating voltage: AC 90ā280V
Frequency: 50/60Hz
Wireless connection: 2.4GHz WiFi
Compatible apps: Tuya Smart and Smart Life
Supported mobile systems: Android and iOS
Voice compatibility: Amazon Alexa and Google Assistant
Installation type: DIN rail
Wiring: Live and neutral, L+N



Package Contents
1 Ć WiFi smart circuit breaker in the selected model and current rating
Important Information
This device is not compatible with Home Assistant. Smart functions should be controlled using the Tuya Smart or Smart Life app.
The product may arrive with different manufacturer branding depending on the production batch. The printed logo may vary without affecting the stated specifications or functions.
Electrical installation must be completed by a qualified electrician in accordance with local electrical and wiring regulations.
Please check the selected model, current rating, available functions and wiring requirements carefully before ordering.












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