Sonoff SPM-4Relay stackable power meter

Sonoff SPM-4Relay smart switch Wi-Fi / Ethernet power meter

The intelligent Sonoff SPM-4Relay switch, which, together with the main element of the SPM-Main set, enables the measurement of power consumption. The device supports wired connectivity (Ethernet RJ45 port) and wireless Wi-Fi. The product is very versatile - it allows you to operate up to 4 channels, but when combined with SPM-Main, you gain the possibility of expanding the system to a total of 32 SPM-4Relay (128 channels)! The product has overload protection which will prevent damage to your devices.

Specification:

• Producer: Sonoff
• Model: SPM-4Relay
• White color
• Input current: 100-240V ~ 50 / 60Hz 20A per channel, 80A max.
• Output current: 100-240V ~ 50 / 60Hz 20A per channel, 80A max.
• Material: PC V0
• Dimensions: 250 x 90 x 66.5 mm

The most important features:

• Many applications - The SPM-4Relay switch has many different applications - it enables, among others, checking how much electricity your tenants use per month, what is the energy consumption in your office, protection of expensive equipment in the server room - the switch has overload protection.
• Possibility of connecting devices - SPM-4Relay communicates with the cloud via SPM-Main and RS-485 port, thus ensuring stable transmission over long distances.
• Support for up to 4 channels - One SPM-4Relay module offers up to 4 independent channels with a maximum load of 20 A each. Thanks to this, SPM-Main can handle up to 128 channels! This makes it an ideal solution for apartment blocks - it allows you to check energy consumption in 128 apartments.

Note: SPM-Main is not included in the kit.