Product code: 1017020

The Sonoff SPM-4Relay smart switch, which together with the main component of the SPM-Main kits, enables measurement of power consumption. The device supports wired (RJ45 Ethernet port) and Wi-Fi wireless connectivity.

The product is very versatile - it supports up to 4 channels, but when combined with the SPM-Main you gain the ability to expand the system to a total of 32 SPM-4Relay (128 channels)! The product has overload protection to avoid damage to your devices.

Key features:

• Among other things, it allows you to check 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.
• The ability to connect devices - SPM-4Relay
• Communicates with the cloud via SPM-Main and RS-485 port, so it provides stable transmission over long distances.
• One SPM-4Relay module offers as many as 4 independent channels with a maximum load of 20 A each.
• This allows the SPM-Main to support as many as 128 channels.
• This is an ideal solution for apartment blocks - it allows to check energy consumption in 128 apartments.

• Manufacturer: Sonoff
• Model: SPM-4Relay
• Color: White
• Input current: 100-240 V ~50/60 Hz 20 A per channel, 80 A max.
• Output current: 100-240 V ~50/60 Hz 20 A per channel, 80 A max.
• Material: PC V0
• Dimensions: 250 x 90 x 66.5 mm
• Port: Ethernet RJ45