SONOFF Smart Stackable Power Meter (SPM-4Relay)
- 【Connect up to 32 SPM-4Relays】One SPM-Main can be connected 32 SPM-4Relays. Each SPM-4Relay has 4 isolated channels to help you manage devices more conveniently.
- 【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.
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|Dimensions||25,4 × 9,2 × 7 cm|
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