Product details
- Hign-concerned Chemical:Â None
- Communication method:Â WI-FI
- State of Assembly:Â Ready-to-Go
- Model Number:Â SONOFF SPM Smart Stackable Power Meter
- Brand Name:Â SONOFF
- Origin:Â Mainland China
- Certification:Â CE,FCC
- Module:Â SPM-Main, SPM-4Relay
- SPM-Main:Â 100-240V, 50/60Hz, 50mA Max
- Wi-Fi:Â 802.11 b/g/n 2.4GHz
- SPM-Main Dimension:Â 142.5*90*66.5mm
- Micro SD card storage range:Â 8GB-32GB
- SPM-4Relay:Â 100-240V, 50/60Hz, 20A/Gang, 80A/Total Max
- SPM-4Relay Dimension:Â 250*90*66.5mm
- Shell Material:Â PC V0
SONOFF Smart Stackable Power Meter 20A/Gang Overload Protection Energy Consumption Monitoring Support SD Card Data Storage
SONOFF Stackable Power Meter realizes smart management with overload protection, metadata monitoring and electricity statistics.
This product support high power Max 20A for each channel, overload protection can effectively ensure the safety of electricity in real time. It also supports a Micro SD card of up to 32GB. You can monitor the power consumption data through the APP, or you can use the SD card to export the data to view the records.
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RS-485 Communication & Power Metering
The SPM-Main communicates with the cloud through Ethernet or WiFi, and communicates with the SPM-4Relays through RS-485, which allows for multi-terminal and stable long-distance data transmission.
By checking eWeLink App on your mobile phone, you can monitor the electricity usage without leaving home. Through the eWeLink App, you can obtain the power consumption through a touch.
Overload Protection
Once the overload protection is enabled, you do not need to worry about electrical appliances being burned out, which helps remove potential safety hazards. In addition, you can also set the overload delay activated to avoid spurious triggering.
128 Isolated Channels & Each Up To 20A
One SPM-Main can be connected 32SPM-4Relays. Each SPM-4Relay has 4 isolated channels to help the tenant to solve the problem in electric charge sharing. Each channel can support maximum current of 20A, no fear of high power load.
Get Over 180-day of Energy Usage Data
Available SD card local storage. You can insert the SD card into SPM-Main to download and check over 180 days of your energy usage history at any time of the day through HTTP API. No need to worry about missing the important information.
Simple Installation
You can install the SPM-Main and SPM-4Relays step by step following the user manual. With the guide rail, they can be installed into the right place with ease to make your room looks simple and tidy.
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