SONOFF Smart Stackable Power Meter Slave (SPM-4Relay) unit
SONOFF Smart Stackable Power MeterThis stackable power meter realizes smart management with overload protection, metadata monitoring and electricity statistics.
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RS-485 Communication Allows for "Smart Stackable"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. |
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Power MeteringWant to know the power consumption changes of each stall? Want to realize the unified management of the whole shopping mall? 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. |
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Get Over 180-day of Energy Usage DataAvailable 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. |
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- 100-240V ~ 50/60Hz 20A/Gang 80A/Total Max
- 100-240V ~ 50/60Hz 20A/Gang 80A/Total Max
- 250x90x66.5mm
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