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Sonoff SPM-4Relay 20A Wifi Smart Switch

Note : The Main Unit and 4-Relay of the Stackable Power Meter need to be used together. The Main Unit is connected to at least one 4-Relay in order to function

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.


SKU fe4fb2525da2 Categories , Tag

Additional Information :

Current 20A

Type Actuator

Din Rail Mount Yes

Output 4 X Line Out

Energy Monitor Yes

Wattage 4800W

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