Categories
Sonoff SPM-Main Smart Stackable Power Meter Switch, Wi-Fi/Ethernet, White
-39%
Price: 36.10 €22.10 €
| Products ID: | 84919 |
|---|---|
| Availablity: | Ready to Order |
| Delivery Time | 5-12 business days |
| EAN: | 6920075776973 |
Centralized Smart Energy Management Controller
The Sonoff SPM-Main is a professional-grade smart controller with Wi-Fi and Ethernet connectivity, designed for high-capacity power monitoring and overload protection in complex environments.
Key Features and Benefits
- Massive Scalability: Manages up to 32 SPM-4Relay units, enabling independent control and metering of up to 128 channels.
- Advanced Safety: Customizable overload protection automatically shuts down power to prevent hardware damage in server rooms or mines.
- Reliable Connectivity: Features both Ethernet and Wi-Fi for cloud access, plus RS-485 for long-distance communication between modules.
- Data Logging: Integrated SD card slot supports up to 32GB (SDHC) for 180 days of local power consumption history.
Technical Specifications
| Brand | Sonoff |
| Model | SPM-Main |
| Input | 100-240V ~50/60Hz 50mA max. |
| Connectivity | Wi-Fi 2.4GHz / Ethernet / RS-485 |
| Material | Flame-retardant PC V0 |
| Dimensions | 142.5x90x66.5mm |
| SD Card Compatibility | 8-32GB SDHC (not included) |
Free delivery to Latvijas Pasts lockers on orders over €35
Latvia
Latvijas Pasts
Parcel lockers across Latvia
SMS & email notification
SMS & email notification
€1.90
Free over €35
Locker locations
Courier (DPD)
Door-to-door delivery
SMS notification before arrival
SMS notification before arrival
from €4.90
Price depends on weight & size
More info
Europe
We want you to be happy with your purchase. If something isn't right, here's how returns work.
Return window
Most unused items can be returned within 30 days of delivery for a full refund or exchange. Items must be in original condition with original packaging.
Refund timeline
Once we receive and inspect your return, a refund is issued within 7–10 business days to the original payment method.
Conditions
- Item must be unused and in original condition
- Include your receipt or proof of purchase
- Perishable or custom-made items are non-returnable
- Return shipping is covered only for faulty or incorrect items
Ready to return?
Contact us and we'll guide you through the process.
Frequently bought together
15+ yearsLocal Latvian online store
Fast dispatchWithin 24h for in-stock items
Free deliveryFrom €35 to Latvijas Pasts lockers
Easy returnsWarranty and simple returns
22.10 €
