SONOFF Smart Stackable Power Meter (SPM-Main) SPM-Main
SONOFF Smart Stackable Power Meter (SPM-Main)
Smart Stackable Power Meter(Main Unit)
Product Features
- Connect up to 32 SPM-4RelaysOne SPM-Main can be connected 32 SPM-4Relays. Each SPM-4Relay has 4 isolated channels to help you manage devices more conveniently.
- Power meteringYou can monitor the power consumption by checking eWeLink App on your mobile phone. Obtaining current, voltage and power easily.
- Max. 20A/GangEach channel can support maximum current of 20A, no fear of high power load.
- Communicated by RS-485The SPM-Main communicates with the SPM-4Relays through RS-485, which allows for multi-terminal and stable long-distance data transmission.
- Overload ProtectionOnce the overload protection is enabled, it can protect your devices from burning out.