







SONOFF Basic DIN Rail Matter Over WiFi Smart Switch | BASIC-1GSP
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【Standard DIN Rail Mounting】Compatible with standard DIN rails for quick installation inside electrical distribution boxes without extra drilling or modifications, ideal for centralized electrical management in buildings, factories, and industrial environments.
【Real-Time Energy Monitoring】Track voltage, current, power, and energy consumption in real time. Supports electricity cost calculation, historical data storage/export, and helps optimize energy usage while reducing bills.
【32A High-Power Load Support】Designed for high-power circuits up to 32A, suitable for electric floor heating, EV charging stations, water heaters, and other heavy-duty electrical devices.
【Overload Protection & Double-Pole Safety Switch】Customizable voltage, current, and power thresholds. The device automatically cuts off output when limits are exceeded. The double-pole switching design disconnects both live and neutral wires, ensuring full physical isolation and improving electrical safety and device protection.
【Matter Certified Compatibility】Works seamlessly with major Matter ecosystems including Apple Home, Google Home, Amazon Alexa, and Samsung SmartThings for smarter and more flexible automation.
Technical details, troubleshooting or setup tips? Access the BASIC-1GSP (Basic DIN Rail) knowledge center for all the info you need.

Full Electrical Isolation for Maximum Safety
Double-Pole Switching simultaneously cuts both Live and Neutral lines, ensuring 100% physical electrical isolation for safer operation and maintenance.
Safer and Stronger Performance

Highest Flame-retardant Grade V-0
Strictly tested according to UL94 V-0 standard, burning stops within 10 seconds after two applications of ten seconds each of a flame to a test bar, and no flaming drips.
Powered by SONOFF New "UniBusbar" Relay
Lower Heat. Higher Current. Longer Lifespan.
Monitor Your Energy Usage, Track Your Electricity Costs
Track daily, monthly, and semi-annual electricity usage and costs with your Basic DIN Rail. Intuitive charts make it easy to manage consumption and save on your electricity bills.
Perfectly Compatible with the Matter Ecosystem
With a wider working coverage! Basic DIN Rail supports joining the Matter ecosystem,
you can integrate it into your usual apps, such as Apple Home, Google Home and Alexa.
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*Basic DIN Rail integration with the Matter ecosystem requires a Matter hub.
Works Perfectly with Apple Ecosystem
— Fully Supports Siri, iPhone, iPad and Apple Watch.

You can “speak to” your appliances.

Set a timer to turn appliances on or off.

Control it wherever you are.

Automatically turn off devices every time.
You can “speak to” your appliances.
Set a timer to turn appliances on or off.
Control it wherever you are.
Automatically turn off devices every time.




Local Control does not Depend on the Server
Even without Internet access, SONOFF Basic DIN Rail can be used with local control.


Feature Overview
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*①. Add the device to the eWeLink app, then link your account to sync the device with the corresponding third-party platform.
Installation Schematic
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*Make sure Basic DIN Rail is connected to the back of the air switch, instead of the grid directly.
Explore the 3D Structure
Rotate, zoom, and inspect the product from every angle.
Specification
Package
Specs & User Manual
Basic DIN Rail is a smart switch designed for intelligent device control and energy monitoring. Featuring standard DIN rail mounting, it can be easily installed inside electrical distribution boxes without extra modifications. Supporting up to 32A high-power loads, it is ideal for EV charging stations, water heaters, and floor heating systems. With real-time energy monitoring, customizable overload protection, and double-pole switching for full physical isolation, BASIC-1GSP enables safer, smarter, and more efficient control across Apple Home, Google Home, Alexa, and SmartThings ecosystems.
User Manual (PDF)Basic DIN Rail (Matter over Wi-Fi Version)
Basic Series
Matter over Wi-Fi Smart Switch
BASIC-1GSP
BK7238
100-240V~ 50/60Hz 32A Max
7680W
92.1g
84 x 66.5 x 18 mm
White
PC
For 11 AWG to 6 AWG (4mm² to 10 mm²) SOL/STR copper conductors only
Indoor
15T50 (-15℃~50℃)
10% ~ 90% RH, non-condensing
CE/RoHS/FCC/CP65
FAQ
1. Where should this BASIC-1GSP be installed?
It is designed for installation inside standard electrical distribution boxes on DIN rails, commonly used in residential homes, commercial buildings, and industrial power systems.
2. What loads can the BASIC-1GSP control?
It is designed for high-power electrical loads up to 32A, including EV charging stations, electric floor heating systems, heat pumps, and major appliances circuits.
3. What is Matter, and why is it important?
Matter is a new smart home connectivity standard that enables devices from different brands and ecosystems (like Apple HomeKit, Google Home, Amazon Alexa, SmartThings, etc.) to work together seamlessly. S61s supports Matter, allowing easy integration and cross-platform control.
4. Which apps or ecosystems is Basic DIN Rail (BASIC-1GSP) compatible with?
With Matter support, it works with:
- Apple Home
- Google Home
- Amazon Alexa
- Home Assistant
- Samsung SmartThings
5. Does the device need to be in the same room as the Amazon Echo/Google Assistant?
No. The device is bound to the voice assistant through cloud-to-cloud integration. As long as the two accounts are paired and the devices are online, they can be controlled by the voice assistants anywhere.


















































