Sonoff SPM-Main smart switch
The Sonoff SPM-Main smart switch, which enables power consumption measurement and supports connectivity via both Ethernet and Wi-Fi. It can handle up to 128 channels - you can combine it with up to 32 SPM-4Relay switches (4 channels each), which are available for purchase separately. What's more, overload protection prevents damage to your devices. The product is also very easy to install.
Multiple applications
The SPM-Main switch will prove its worth in many different applications. For example, it will allow you to find out how much electricity your tenants use per month, or find out the energy consumption of a shopping center or office. The product will also prove useful in a server room or cryptocurrency mine - the overload protection function will allow you to avoid damaging certain equipment.
Reliable signal transmission
Enjoy the ability to connect devices. SPM-Main communicates with the cloud via Ethernet or Wi-Fi connectivity. It also connects to SPM-4Relay switches via RS-485, so it can provide stable transmission over long distances. Connection problems are a thing of the past!
Power consumption meter
Do you want to check the changes in power consumption in each room in the office? Or do you care to know how much electricity is used by your tenants? With Sonoff it is possible! SPM-Main and SPM-4Relay switches allow you to precisely measure power consumption. You can find all the information in the eWeLink app. This allows you to check power consumption without leaving the house - just reach for your phone!
Overload protection
Increase security in your server room and don't be afraid of damaging your devices. The switch offers an overload protection function. When you activate it, the equipment will automatically shut down when the current, voltage or power reaches the value indicated in the application. A load delay function is also available.
Supports up to 128 channels
One SPM-Main module allows you to control up to 32 SPM-4Relay switches. What's more, each SPM-4Relay offers up to 4 independent channels with a maximum load of 20A each. This means that the SPM-Main can handle as many as 128 channels! This makes it ideal, for example, in a block of apartments, making it possible to check the energy consumption of tenants of rented apartments.
Additional facilities
Now you can save the history of energy consumption measurements from the last 180 days. The switch is equipped with an SD card slot (8-32GB, SDHC). This allows you to export data conveniently and gives you the assurance that you won't lose any important information. Mounting the SPM-Main and SPM-4Relay switches won't cause you any problems either. You can easily mount them on the guide rail. Note: the SD card is ot included in the kit.
Specifications
| Brand | Sonoff |
|---|---|
| Model | SPM-Main |
| Color | White |
| Input | 100-240V ~50/60Hz 50mA max. |
| WiFi | 802.11 b/g/n 2.4GHz |
| Material | PC V0 |
| Dimensions | 142.5x90x66.5mm |
| Compatible SD cards | 8-32GB, SDHC |
To purchase a product in our online store, select the product you like and add it to your shopping cart. Next, go to the Cart and click on "Checkout" or "Quick order".
When placing a quick order, write your full name, phone number and e-mail. The manager will call you back and clarify the conditions of the order. Based on the results of the conversation, you will receive a confirmation of the registration of the goods by mail or via SMS. Now it remains only to wait for delivery and enjoy the new purchase.
Placing an order in the standard mode is as follows. Completely fill out the form in successive stages: address, delivery method, payment, information about yourself. We advise you to write in the comments to the order information that will help the courier find you. Click the "Checkout" button.
Pay for purchases in a convenient way. There are 3 payment options available in the online store:
- Cash on pickup or delivery by courier. The specialist will contact you on the day of delivery to clarify the time and prepare the change from any banknote in advance. You sign shipping documents, deposit funds, receive goods and a check.
- Cashless payment for self-delivery or registration in the online store: Visa and MasterCard cards. To pay for the purchase, the system will redirect you to the server of the ASSIST system. Here you need to enter the card number, expiration date and the name of the holder.
- Electronic systems for online ordering: PayPal, WebMoney and Yandex.Money. To make a purchase, the system will redirect you to the payment service page. Here you need to fill out the form according to the instructions.
Save time on ordering. There are 4 delivery options available in the online store:
- Courier delivery works from 9.00 to 19.00. When the goods arrive at the warehouse, the courier service will contact you to clarify the details. The specialist will offer to choose a convenient delivery time and specify the address. Inspect the packaging for integrity and compliance with the specified configuration.
- Pickup from the store. A list of outlets to choose from will appear in the shopping cart. When the order arrives at the warehouse, you will receive a notification. To receive an order, contact the employee in the checkout area and give the number.
- Postamat. When the order arrives at the outlet, a unique code will be sent to your phone or e-mail. The order must be paid at the parcel terminal. Shelf life - 3 days.
- Postal delivery via Russian Post. When the order arrives at the branch, a notice of the parcel will be sent to your address. Before paying, you can evaluate the condition of the box: weight, integrity. You can open the box yourself only after paying for the order. One order can contain no more than 10 items and its value should not exceed 100,000 rubles.
An additional tab to place information about the store, delivery, or any other important content. It will help you answer the buyer's questions and dispel his doubts about the purchase. Use it at your discretion.
You can remove it or bring it back by changing one checkbox in the component's settings. Very comfortably.