One SPM-Main can be connected with 32 SPM-4Relays.
Power metering – You can monitor the power consumption by checking eWeLink App on your mobile phone. Obtaining current, voltage and power easily.
Max. 20A/Gang – Each channel can support maximum current of 20A, no fear of high power load.
Communicated by RS-485 -The SPM-Main communicates with the SPM-4Relays through RS-485, which allows for multi-terminal and stable long-distance data transmission.
Overload Protection – Once the overload protection is enabled, it can protect your devices from burning out.
Specifications:
Wi-Fi: 802.11 b/g/n 2.4GHz
Micro SD card storage range: 8GB-32GB
Input: 100-240V~ 50/60Hz 20A/Gang 80A/Total Max
Output: 100-240V ~ 50/60Hz 20A/Gang 80A Total Max
Dimensions: 250x90x66.5mm
Color: White
Shell material: PC V0
The Sonoff Stackable Power Meter 4Relay is the required unit which works using the SPM-Main unit.
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.
**Note : You need to use the Main Unit and at least one 4-Relay together for the Stackable Power Meter to function.
| Weight | 0.01 kg |
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